IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 25 November 2009 (all times are UTC)
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| 00:43 | <kaos01> hi, we just got out LTSP server/clients moved to a new network and now things dont seem to work, the client downloads initrd.ltsp fine, but than mounting of the root-path fails to happen
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| 01:09 | <madcat> Hi, can anyone help me? How do you backup an ltsp image? I'm trying to do this so I can revert back easily just in case I mess things up by installing something in chroot!
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| 01:10 | <johnny> madcat, just cop it
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| 01:10 | copy*
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| 01:10 | the whole directory
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| 01:10 | <johnny> cp -a /opt/ltsp/i386 /opt/ltsp/i386.bak
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| 01:10 | <madcat> Hi, johnny, which directory the /opt/ltsp/i386?
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| 01:10 | <johnny> or whatever you wanna call it
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| 01:10 | yes
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| 01:11 | <madcat> Oh that's great, let me try!
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| 01:13 | I'm doing it now...
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| 01:18 | Hi Johnny, I booted my backup, but it dropped me to initramfs, I did the cp -a /opt/ltsp/i386 /opt/ltsp/i386.bak. I renamed my original to i386orig and I renamed the i386.bak to i386, but there was a problem
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| 01:19 | it said Negotiation: Error: Server closed connection
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| 01:21 | test
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| 01:21 | <madcat> rofs, dev, sys proc : No such file or directory
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| 01:22 | Target filesystem doesn't have sbin init.... BusyBox...... (initramfs)
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| 01:22 | Did I do something wrong?
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| 01:22 | I'll try to update the image
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| 01:23 | <johnny> uhmm..
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| 01:23 | <madcat> I'm updating the image now.
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| 01:24 | I can see I got a valid address in my subnet and the filename /ltsp/i386 is correct
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| 01:24 | Was this correct? cp -a /opt/ltsp/i386 /opt/ltsp/i386.bak $sudo mv i386 i386orig
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| 01:25 | $sudo mv i386.bak i386
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| 01:26 | Oh wait Johnny it worked!
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| 01:26 | After I updated my image!
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| 01:26 | right?
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| 01:26 | Yes!
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| 01:28 | Hey man, thanks a lot.
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| 01:29 | I've too many owes to you and Gadi. Can I buy you a coffee sometime?
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| 01:29 | :)
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| 01:30 | <madcat> I was doing this because I was installing something in chroot, but whenever it doesn't go, my chroot just balloons and I would like to revert to previous images, but usually my tar method doesn't work
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| 01:32 | Before I used this sudo tar cvpzf i386.tgz, but when I restore it by sudo tar xvpzf i386.tgz -C /opt/ltsp it doesn't work, I wonder why!
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| 02:06 | <madcat> bye, talk to you later again guys, thanks for your help...
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| 02:06 | Thanks Johnny!
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| 02:11 | <Denbert> Anyone here, using the Thin Client Manager?
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| 02:13 | <Denbert> I've installed Thin Client Manager, have a client up and running on the server, but can't see the client in the Thin Client Manager
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| 02:13 | <Appiah> https://launchpad.net/tcm <- is this still active?
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| 02:14 | 52weeks since anything was modified
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| 02:14 | <cyberorg> Denbert, if you want see clients you need italc
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| 02:15 | <Appiah> tcm + italc?
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| 02:15 | <cyberorg> Appiah, i have no idea what tcm is :)
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| 02:16 | <Appiah> Thin client Manager
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| 02:16 | the thing Denbert is asking about
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| 02:16 | <cyberorg> is that a project started for lts.conf GUI editor like easy-ltsp?
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| 02:16 | <Appiah> or am I wrong?
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| 02:16 | never used Thin client manager
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| 02:17 | <Denbert> I,ll install the italc right away :)
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| 02:17 | <Appiah> Denbert: tcm = Thin client manger , the thing i linked to right? where did you get it?
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| 02:18 | <cyberorg> !italc
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| 02:18 | <ltspbot> cyberorg: "italc" :: http://italc.sourceforge.net/wiki/index.php?title=ITALC_in_a_ThinClient_environment
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| 02:25 | <Denbert> I installed the tcm via the Ubuntu Software Cernter
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| 02:25 | Center
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| 02:26 | Installing the iTalc package awr :-)
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| 02:28 | <Appiah> do you have edubuntu Denbert ?
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| 02:29 | <Denbert> No, I installed the Ubuntu 9.10 Alternate version
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| 02:29 | <Appiah> ok
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| 02:29 | <Denbert> Think the edubuntu might be better, as this test is for public school
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| 02:30 | <Appiah> actully the place I first helped with LTSP i suggested we started over and not included edubuntu
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| 02:31 | but rather add the software they really need instead of installing a bunch of "oh this is nice to have"
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| 02:31 | gimp,f-spot,openoffice,firefox is pretty much all this school needs .. been like that for almost a year.
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| 02:31 | <Denbert> I totally agree
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| 02:33 | Hmm, I had some problems yesterday with connecting to my server via FreeNX client over the internet
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| 02:33 | ended up removing second nic in order to have smooth integration to ny existing lan
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| 02:34 | now client says no response from server
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| 02:34 | Have login screen
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| 02:35 | have invoked the ltsp-update-sshkeys && ltsp-update-image command
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| 02:37 | <cyberorg> Denbert, for your school test also http://en.opensuse.org/Education/Live :)
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| 02:37 | <Denbert> Client says: No responce from server, restarting
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| 02:38 | <cyberorg> Denbert, SERVER=IPofserver in lts.conf is missing or wrong
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| 02:38 | <Denbert> what are the key benefits on favor for suse compared to ubuntu?
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| 02:39 | <cyberorg> Denbert, openSUSE Li-f-e comes with *everything* educational institutions require installed and working out of the box
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| 02:40 | italc, ltsp, educational apps, multimedia etc all are included, ltsp comes with nice GUI easy-ltsp, if required there is another one called fl_teachertool available in the repo
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| 02:41 | <Denbert> Ok, it's just as I'm an old man, and Debian/ubuntu is the Linux distro I've worked wit for years, after i skipped the RPM hell :-)
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| 02:42 | I'll setup a Suse in half an hour :), just need to fix existing ubuntu ltsp server, in order to stop it (all testing are in vmware)
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| 02:43 | Has to present a working test setup tomorrow midday - EST +1
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| 02:45 | I don't have a line with IPofserver in my /etc/lts
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| 02:45 | ltsp.conf
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| 02:46 | <Appiah> SERVER=xxx.xx.xx.xxx
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| 02:46 | e.x SERVER=192.168.0.1
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| 02:46 | <Denbert> cyberorg, i'm downloading direct to my vmware server with wget, should I gram the LIVE CD you linked to?
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| 02:47 | <cyberorg> Denbert, you can test iso image in virtual machine or dd the image to 4G usb stick to test without installing on the hard disk :)
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| 02:47 | Denbert, we got rid of RPM hell since openSUSE 10.3 with 1-click install ;)
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| 02:50 | Denbert, it is located here /var/lib/tftpboot/ltsp/i386/lts.conf in ubuntu
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| 02:50 | <Denbert> added SERVER=192.168.9.12 to /etc/ltsp.conf - no luck, or must i do something on the server?
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| 02:50 | Ahhhee
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| 02:50 | Looking
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| 02:53 | strange - dont have a ltsp.conf there -I'm having a pxelinux.cfg folder and inside a default
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| 02:54 | <Appiah> lts.conf
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| 02:56 | <Denbert> cyberorg, started the 2,9 gb download - approx. 1 hour left
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| 02:56 | <Appiah> /opt/ltsp/i386/etc/lts.conf
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| 02:57 | <cyberorg> Denbert, lts.conf
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| 02:57 | Appiah, /opt/ltsp/i386/etc/lts.conf is for chroot image, you have to change the one in tftpboot folder
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| 02:59 | <cyberorg> Denbert, cool, i can walk you through with how to get live USB stick or install or run it live in VM
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| 02:59 | <Appiah> oh sorry
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| 02:59 | /var/lib/tftpboot/
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| 02:59 | <Denbert> I log of this windows client, and will come back from the ubuntu
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| 02:59 | brb
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| 03:02 | <denbert_> On the ltsp server
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| 03:05 | In /var/lib/tftpboot/ltsp/i386 folder, there is no lts.conf or similar file
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| 03:09 | Hmm
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| 03:09 | <cyberorg> denbert_, just create one, first line [default] and second line SERVER=192.168.9.12
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| 03:11 | <Denbertuz> should i create /var/lib/tftpboot/ltsp/i386/lts.conf?
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| 03:13 | A bit strange, as the server worked, be fore I changed the nic settings - Hence the information about server IP must be somewhere?
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| 03:17 | <cyberorg> Denbertuz, looks like you missed this "denbert_, just create one, first line [default] and second line SERVER=192.168.9.12"
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| 03:19 | <Denbertuz> Hehe - Must admit that the mIrc client is a bit better, than the one i installed on Ubuntu
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| 03:22 | <denbert_> made the /var/lib/tftpboot/ltsp/i386/lts.conf
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| 03:22 | first line [default]
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| 03:22 | Second line SERVER-=192.168.9.12
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| 03:22 | Still no luck
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| 03:23 | should i restart the ltsp server?
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| 03:24 | <cyberorg> second line should not have - in there
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| 03:26 | <denbert_> I't hasen't just a typo here
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| 03:27 | the FreeNX client still works
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| 03:33 | <alkisg_work> SERVER-=192.168.9.12 ==> did you really put a minus there?
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| 03:34 | Ah sorry cyberorg already said that
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| 03:34 | * alkisg_work decides to finish up his coffee before speaking again... : | |
| 03:35 | <Denbertuz> The Suse is down in 20 min...
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| 03:46 | <Denbertuz> Restarted the LTSP Server, still no luck, must have broken something
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| 03:48 | cyberdog, does the Suse EDU version come with user skeletons?
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| 03:49 | <cyberorg> what is user skeletons?
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| 03:50 | * cyberorg is not aware of any dead users' skeletons in openSUSE | |
| 03:50 | <Denbertuz> Centralized profiles in order to make custom settings, when you are maken 23 new users for a full classroom
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| 03:51 | Skeletons might not be the right word :)
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| 03:52 | <cyberorg> ah, you can create one ideal user, copy everything in his home to /etc/skel/ or change /etc/default/useradd SKEL=/home/idealuser before adding rest of the users
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| 03:52 | <Denbertuz> Great
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| 03:53 | Exactly what I'm looking for
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| 03:54 | <cyberorg> that only works for new users added, changing /etc/skel after they are added will not have any effect on existing users
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| 03:54 | <Denbertuz> If you are goingto make 630 users, are there some scripting tools?
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| 03:56 | <cyberorg> not included, but simple bash script that runs something like "for i in `cat xyz.txt`; do; useradd -m $i; done" should work
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| 03:57 | you'll have to read up bash scripting guide :)
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| 04:00 | <Denbertuz> sure
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| 04:01 | worked on a SMESERVER (CentOS based distro) before - have used some scripting tools there
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| 04:05 | <cyberorg> you may find googling, amy need small adaptations
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| 04:44 | <Denbertuz> cyberorg, I'm ready to make the install in VM - in order to have a smooth integration in my existing environment I would prefer a one nic setup
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| 04:44 | <cyberorg> should work fine with 1 nic :)
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| 04:45 | <Denbertuz> Nice
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| 04:45 | <cyberorg> here is a step by step http://en.opensuse.org/Education/Live/Install
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| 04:46 | <Denbertuz> VMware has Suse Enterprice and Suse Enterprice 10
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| 04:46 | Which flavor should i choose
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| 04:47 | <Appiah> none enterprise
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| 04:47 | not that it differs much in vmware
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| 04:47 | execpt maybe recommended ram setting
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| 04:48 | <cyberorg> probably just the icon :)
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| 04:48 | <Appiah> that too :D
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| 04:49 | <cyberorg> Denbertuz, make large virtual disk, 15G, keep minimum 10G for /
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| 04:50 | <cyberorg> more is always better ;)
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| 04:50 | <Denbertuz> made a 20 gb
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| 04:50 | How about 64-bit?
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| 04:50 | I've added 2 gb ram
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| 04:50 | <cyberorg> the DVD is 32bit
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| 04:51 | with 2G you may be able to run about 20 clients
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| 04:51 | <Denbertuz> In real life i think the server will be needing 32gb ram or more
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| 04:51 | Ok
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| 04:51 | Impressive
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| 04:51 | <cyberorg> in real life you will need cluster of servers :)
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| 04:52 | <Denbertuz> 70 sametime clients
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| 04:52 | Yeps
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| 04:52 | <cyberorg> 630 users? even 100 users per server would require 10 servers
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| 04:52 | *6 servers
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| 04:52 | <Denbertuz> Well - I'll look in to this cluster fun later, I'll start to get the suse smell first :)
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| 04:54 | Nive with the vmware tools integrated - I like :)
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| 04:54 | Nice
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| 04:58 | <cyberorg> is it? didn't know that
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| 05:01 | <Denbertuz> The Mircosoft sales dude has offered a two server setup - HP 380 G6 Servers - Each with 32 GB Ram
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| 05:03 | 6 servers sounds like alot
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| 05:03 | <cyberorg> you need 150M per client, and giga lan if more than 50 clients are connected to the server
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| 05:03 | <Denbertuz> Ok
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| 05:03 | <cyberorg> both quad core servers?
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| 05:04 | <Denbertuz> Yep - Dual processor Quadcore
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| 05:04 | <cyberorg> so 8 cores each? that sounds good
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| 05:04 | <Denbertuz> Yeps
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| 05:04 | But i really hate the WINTEL setup
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| 05:05 | <cyberorg> well the intel is good :)
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| 05:06 | <Denbertuz> Woulden't two Ubuntu LTSP 64-bit servers with 32 GB ram be able to handle 70 same time clients?
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| 05:07 | I'm currently in love with the Dell PowerEdge 2970 Server (AMD based)
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| 05:07 | <cyberorg> just one is enough
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| 05:08 | <Denbertuz> Woulden't it be better with two in Cluster setup with loadbalancing?
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| 05:09 | Don't now how to do it, but I'm willing to learn :)
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| 05:10 | <cyberorg> it is quite easy http://en.opensuse.org/LTSP/Cluster worry about it later :)
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| 05:11 | <Denbertuz> Just to be sure - 8 Core Server, 32 GB RAM - RAID 1 + 0 be OK for 70 Clients?
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| 05:11 | <cyberorg> the same method will be fast enough for upto 7 or may be even 10 servers, more than that you need ltsp-cluster packages, those are under development
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| 05:12 | yes, it should be more than enough :)
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| 05:13 | what kind of load would the clients putting, office/browsing?
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| 05:13 | <Denbertuz> Great - As we all need to control our CO2 footprint
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| 05:13 | <cyberorg> if the clients are fast enough with 512M ram, you can run firefox local
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| 05:14 | <Denbertuz> They asks for Office, browsing, and some special users with access to video streaming, e.g youtube
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| 05:14 | <cyberorg> ok, so browsing/youtube can be run on the client directly, that reduces load on server a lot
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| 05:16 | <Denbertuz> Yes - Especially as they are planning to give students the ability to bring their own laptops
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| 05:16 | This is why I've tested the FreeNX
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| 05:17 | They will install Wireless Acces Points in all Class Rooms
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| 05:18 | and make two class rooms with real thin Clients
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| 05:20 | But I think they need a huge plug to the internet :)
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| 05:20 | With this setup
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| 05:21 | <alkisg_work> Just install a squid server for caching and make everyone go through it...
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| 05:22 | (==gnome mandatory settings for proxy, or iptables or something...)
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| 05:23 | <Denbertuz> The Ubuntu LTSP install was faster :)
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| 05:24 | Dammn
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| 05:25 | Copy Error under the install 80% done
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| 05:25 | returned to the welcome screen
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| 05:29 | <Denbertuz> Have deleted the disk and made a new, with allocate space now feature
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| 05:39 | <cyberorg> Denbertuz, if / is under 10G it will fail, this will take more time than ubuntu as it is 4 times its size :)
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| 05:40 | <cyberorg> still the install should complete in 35 minutes if you are doing from an iso
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| 05:44 | <Denbertuz> Started the life
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| 05:44 | to see
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| 05:45 | <Denbertuz> translation to danish is poor - almost non existing, compared to Ubuntu
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| 05:46 | <cyberorg> you may be able to install language pack, there is software management module in yast
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| 05:46 | <Denbertuz> Has started the install from life
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| 05:46 | Selveste1 is now known as Selveste1_away | |
| 05:48 | <cyberorg> http://i18n.opensuse.org/stats/trunk/da/index.php it is 100%, so just the language packs are not on the DVD, just get it via yast once install is done :)
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| 06:25 | <Denbertuz> The install fails
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| 06:25 | http://hegnstoften.net/pictures/Suse_Install_error.png
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| 06:27 | <cyberorg> Denbertuz, /dev/sda2 for / is just 7.58G
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| 06:28 | you need at least 10G or to keep it simple just uncheck "propose seperate home" from partitioning
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| 06:29 | <Denbertuz> It's default settings from the installer
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| 06:30 | I'll give it at shot more
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| 06:30 | <cyberorg> Denbertuz, yes change the default so / is 10G minimum
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| 06:32 | <Denbertuz> Why not all in one partition
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| 06:33 | <cyberorg> to keep everything in 1 partition uncheck "propose seperate home" from partitioning
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| 06:35 | <Denbertuz> I dont see that option
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| 06:35 | <cyberorg> click "Custom partition" at the default suggestion screen
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| 06:35 | http://en.opensuse.org/Image:Life-install8.png "Create partition setup" on that screen
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| 06:37 | <Denbertuz> Got it
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| 06:37 | thanx
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| 06:37 | way tooo much gui here
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| 06:38 | <cyberorg> just uncheck seperate home there, you can ignore the rest
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| 06:39 | <Denbertuz> Done - I'll grab some coffe as this is my third install attemp :)
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| 06:39 | <cyberorg> yes you need that, that is why i put "takes a long time here" on the installer when it is copying image :)
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| 06:40 | <Denbertuz> You?
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| 06:40 | Are you distro maintainer on this?
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| 06:41 | <cyberorg> with tons of other devs :)
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| 06:41 | <Denbertuz> Ok
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| 06:41 | I'll hang in then :)
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| 06:41 | Are you at Suse Germany?
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| 06:42 | <cyberorg> nopes, India, http://en.opensuse.org/Education/Team some folks there are from SUSE labs
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| 06:42 | <Denbertuz> Ok
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| 06:46 | Are you also involved in the Suse Studion project?
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| 06:46 | Studio
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| 06:51 | New error http://hegnstoften.net/pictures/Suse_Install_error_2.png
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| 06:51 | <cyberorg> nopes, that is run by another team, it uses the same technology we are using, kiwi for creating images
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| 06:52 | hmm strange, do md5sum match?
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| 06:53 | you can /join #opensuse-edu, sattelit there is our tester on VMWare, he may have some suggestions
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| 06:56 | <Denbertuz> I'll try on real metal
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| 06:57 | <cyberorg> first check md5sums
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| 06:57 | <Denbertuz> How do I do that on Debian Lenny?
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| 06:58 | Host OS is 64-bit Lenny
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| 06:58 | <cyberorg> run md5sum imagename.iso
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| 07:01 | <Denbertuz> running
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| 07:01 | 858a6dcbe7627040347558d4478e1ac8
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| 07:02 | <cyberorg> that is correct
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| 07:03 | so image is perfect, got 4G usb stick?
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| 07:03 | <Denbertuz> No, got a DVD burner
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| 07:03 | <cyberorg> ok, that would work too :)
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| 07:03 | <Denbertuz> :-)
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| 07:04 | <cyberorg> install from usb is much faster than dvd
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| 07:04 | Selveste1 has joined #ltsp | |
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| 07:06 | <Denbertuz> Ok
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| 07:07 | I might grab a USB stick from the local Seven/Eleven :)
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| 07:08 | <cyberorg> for demo you don't even have to install, run the iso in vmware, follow this to configure ltsp: http://en.opensuse.org/LTSP/Quick_start
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| 07:09 | <_UsUrPeR_> hey guys
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| 07:09 | <cyberorg> make changes to network settings according to your requirement, then instead of shutting down use hibernate, so next time you reboot your settings are saved
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| 07:10 | hi _UsUrPeR_ :)
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| 07:10 | <_UsUrPeR_> I'm working with fedora 12, just testing out our clients. I have rebuilt the image, but am still getting quite the weird error
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| 07:10 | <cyberorg> you need warren or Ryan52 :)
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| 07:11 | <ogra> _UsUrPeR_, note that F12 dropped support for many arches ...
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| 07:11 | <_UsUrPeR_> [drm:drm_mode_r,fb] *ERROR* tried to remove a fb that we didn't own
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| 07:11 | ogra: arch = i386 :P
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| 07:11 | <ogra> i.e. a bunch of VIA and Geode wont be supported anymore the way they build their default kernel
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| 07:12 | <_UsUrPeR_> ogra: oh. Still, it's an Atom I am testing with
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| 07:12 | <ogra> its now highly optimized for 686
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| 07:12 | ah, well, then its likely a KMS problem
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| 07:14 | <_UsUrPeR_> ogra: KMS?
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| 07:14 | <ogra> kernel mode setting
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| 07:14 | <_UsUrPeR_> hmm :/
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| 07:15 | <ogra> file a bug :)
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| 07:15 | <_UsUrPeR_> tempting :)
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| 07:15 | <ogra> but i'm not sure there are any responsible people for FC anymore
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| 07:15 | <_UsUrPeR_> yeah
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| 07:15 | <ogra> afaik warren works on something different now
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| 07:15 | and he was the only one really taking care
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| 07:16 | <_UsUrPeR_> yeah :(
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| 07:19 | Selveste1_away has quit IRC | |
| 07:20 | <cyberorg> _UsUrPeR_, if you file bug against live CD they may fix it, see if the same issue is on that too :)
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| 07:20 | <_UsUrPeR_> cyberorg: k, thanks for the hint. I need to get some more information about this first
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| 07:46 | <leio> ogra: they end up using the "undocumented" i686 instructions?
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| 07:47 | <ogra> leio, who ?
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| 07:47 | <leio> ogra: fedora
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| 07:47 | <ogra> not sure which these would be ..
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| 07:48 | <leio> ogra: right, you mentioned it doesn't work anymore on geode
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| 07:48 | <ogra> the chips i mentioned above need a kernel build -march=586
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| 07:48 | <leio> ogra: but to my knowledge cmov exists on geode
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| 07:48 | <ogra> s/build/build with/
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| 07:48 | <leio> 586 is quite bad for geode, but ok ;p
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| 07:48 | at least works.
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| 07:48 | Lumiere_ is now known as Lumiere | |
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| 07:53 | <ogra> leio, http://docs.fedoraproject.org/release-notes/f12/en-US/pdf/Fedora_12_Release_Notes.pdf see page 6
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| 07:53 | topic 3.1
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| 08:41 | <leio> ogra: which says GeodeLX should still work
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| 08:42 | ogra: but yeah, Geode GX1 and GX2 are likely sad, unsure about LX before anyone tests
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| 08:43 | shawnp0wers has joined #ltsp | |
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| 08:44 | <shawnp0wers> Guess who is doing a big LTSP demo to the school board on Monday? <-- THIS GUY :D
| |
| 08:45 | We've been using it for like 8 years of course, but LTSP5/Ubuntu is awesome enough to warrant a new demo.
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| 08:45 | <sbalneav> Morning all
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| 08:46 | <shawnp0wers> 'mornin
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| 08:51 | <elias_a> shawnp0wers: How did they take it?
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| 08:51 | <shawnp0wers> Dunno, I'll tell you Tuesday. :)
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| 08:51 | <elias_a> shawnp0wers: I am going to to the same thing in the neighbouring municipality in December
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| 08:52 | <Denbertuz> shawnp0wers, how many clients?
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| 08:52 | <shawnp0wers> My advice: Set up compiz. It sounds absurd, but wiggly windows and 3D cube desktop switching means more to most people...
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| 08:52 | Denbertuz: We have a couple hundred now
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| 08:52 | <elias_a> And did it yesterday in a conference called Day of Virtual Learning.
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| 08:52 | <Denbertuz> In cluster setup?
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| 08:52 | <elias_a> shawnp0wers: Wow!
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| 08:53 | I just used 2 laptops...
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| 08:53 | <shawnp0wers> Denbertuz: no, I just have them manually pointed to different servers via dhcp
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| 08:53 | elias_a: My demo will only have 1 thin client, I just meant our school has a couple hundred running. :) Mostly LTSP4.2 though.
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| 08:54 | * shawnp0wers will be switching to a trimmed down version of LTSP5 over Christmas break | |
| 08:54 | <Denbertuz> | |
| 08:54 | <shawnp0wers> many of my thin clients are P133 machines
| |
| 08:54 | Denbertuz: cool! Be sure to demo local apps with sound, flash, video, etc
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| 08:55 | and depending on the grade level, things like gcompris as a local app
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| 08:55 | <alkisg> shawnp0wers: you use LTSP 4.2 with them?
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| 08:55 | (the ones with 32 Mb RAM, weren't they?)
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| 08:55 | <shawnp0wers> alkisg: with my old thin clients yes
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| 08:56 | <alkisg> And the server? What does it run?
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| 08:56 | <elias_a> Flash with P133? Huh?
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| 08:56 | <shawnp0wers> using your advice, I'm going to try switching over to LTSP5 with NBD swap and no sound
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| 08:56 | elias_a -- no, those don't work with flash
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| 08:56 | <Denbertuz> shawnp0wers, I'm not there quit yet, but thats also ok, as school only has received an offer from the Local M$ Pimp offering tons of hardware and Windows Terminal Server 2008
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| 08:56 | <alkisg> shawnp0wers: with 64 RAM it works fine, but it doesn't work with 32 MB RAM
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| 08:56 | <elias_a> shawnp0wers: Already thought I have missed something... :)
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| 08:56 | <shawnp0wers> alkisg: evenwith NBD swap?
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| 08:56 | <alkisg> And a fellow teacher called me to set up his lab, and he only has 32 RAM :-/
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| 08:57 | <elias_a> M$ Pimp - nice concept...
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| 08:57 | Have to borrow that one... :)
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| 08:57 | <alkisg> That's why I'm asking, to see if I could make do with what he has, or if I should look for more RAM for him
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| 08:57 | rjune has joined #ltsp | |
| 08:57 | <shawnp0wers> alkisg: I won't be able to test for another week or so, but I'll see what my old 32MB beasties can do, and let you know
| |
| 08:57 | awe heck, I'll see if I can grab one now
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| 08:57 | lol
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| 08:58 | <alkisg> Thanks - and if they won't run with LTSP5, I could use some hints for LTSP 4.2 :D
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| 09:02 | <shawnp0wers> ok, found one in storage... first I have to figure how to get etherboot machines to boot to LTSP5
| |
| 09:02 | I think it only supports PXE?
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| 09:02 | for these old machines, I just wrote etherboot code to the boot sector of the hard drive, because they don't support PXE
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| 09:09 | <Denbertuz> shawnp0wers, Are you using Ubuntu 9.10 LTSP5 setup?
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| 09:09 | <shawnp0wers> Yes
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| 09:16 | <Denbertuz> I've changed the ssh port to 8888 in order to give access from internet in FreeNX
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| 09:16 | can sshd handle 22 and 8888?
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| 09:16 | Or just one port?
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| 09:17 | My fucked-up Netgear Firewall cant portmap 8888 to 22
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| 09:21 | wow, google says yes
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| 09:24 | Brian_H has joined #ltsp | |
| 09:24 | <cyberorg> Denbertuz, you dont need your netgear to map ports, see rinetd
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| 09:24 | <Denbertuz> cyberorg, it works great again after adding Port 22 to my sshd.conf
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| 09:25 | <shawnp0wers> Note to self: nbi.img is the etherboot image... I think...
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| 09:25 | hmm... maybe not
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| 09:26 | anyone know, do I need to create an etherboot image for LTSP5? like with mknbi-linux or something?
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| 09:26 | <Denbertuz> cyberorg, italc is also working - thanks for pointing me
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| 09:26 | <Gadi> shawnp0wers: I believe you need a new rom-o-matic image -> there was a bug that older ones are broken
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| 09:27 | <shawnp0wers> Gadi: so rolling my own isn't the proper way?
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| 09:27 | I'll admit, I'm not entirely sure the interworkings of etherboot
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| 09:27 | other than it "just works" on my LTSP 4.2 machines. :)
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| 09:28 | <Gadi> shawnp0wers: etherboot is now gPXE and some of the magic has changed
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| 09:28 | <shawnp0wers> I see
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| 09:28 | darn magic
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| 09:28 | <Gadi> nbi.img is supposed to work for etherboot and is made with mknbi
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| 09:28 | <shawnp0wers> so I was on the right track, but yeah -- it fails
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| 09:28 | with Issue RESET:
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| 09:28 | <Gadi> but, something recently broke with older etherboot images
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| 09:29 | if you can grab a new rom-o-matic image and flash the client
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| 09:29 | <shawnp0wers> is there a new image in the ubuntu repo, or is this a download and put, OR a make a new one sorta thing?
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| 09:29 | <Gadi> you should be good-to-go
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| 09:29 | www.rom-o-matic.net
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| 09:29 | <shawnp0wers> Oh, so I'm supposed to update al my clients?
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| 09:29 | that... sucks
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| 09:29 | :(
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| 09:29 | <Gadi> ah....
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| 09:30 | yeah, that would suck
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| 09:30 | <shawnp0wers> also, my clients all just have the etherboot code written to their hard drive boot sectors
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| 09:30 | <Gadi> guess we have motivation to fix the bug...
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| 09:30 | :)
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| 09:30 | <shawnp0wers> lol!
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| 09:30 | can I just roll my own image though?
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| 09:30 | like mknbi-linux --output=vmlinuz.ltsp ......
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| 09:30 | sorta thing?
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| 09:31 | <Gadi> I guess - but how would you do it differently than what is done already?
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| 09:31 | <shawnp0wers> or is the bug in the files that it uses to create that
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| 09:31 | that's what I wondered
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| 09:31 | :)
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| 09:31 | <Gadi> nbi.img is kinda made that way
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| 09:31 | <shawnp0wers> yeah, ok
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| 09:31 | well poop
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| 09:31 | <Gadi> read: /opt/ltsp/i386/usr/share/ltsp/update-kernels
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| 09:32 | it may be a versioning thing or something
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| 09:32 | not sure - I personally have not been motivated to investigate the bug
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| 09:32 | * Gadi does not work with etherboot much | |
| 09:33 | <shawnp0wers> Gadi: It's only a big deal for me because I'm trying to push my old clients to LTSP5
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| 09:33 | it might not work anyway though
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| 09:33 | because they're REALLY old
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| 09:33 | <Gadi> tell ya what
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| 09:33 | <shawnp0wers> I'll reflash one with GPXE
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| 09:33 | and if it works, I might bug you a bit more about the nbi image
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| 09:33 | sound good?
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| 09:33 | <Gadi> if you reflash one with gPXE and get it working, I'll help you fix the etherboot bug
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| 09:33 | <shawnp0wers> HA
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| 09:34 | <Gadi> :)
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| 09:34 | <shawnp0wers> ::mindlink active::
| |
| 09:34 | * shawnp0wers now tries to remember how he wrote the image to the hard drive all those years ago... | |
| 09:34 | <shawnp0wers> :D
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| 09:34 | <Gadi> hehe - prolly boot from a liveCD
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| 09:34 | :)
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| 09:34 | <shawnp0wers> documentation. I must remember to make documentation.
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| 09:35 | these are way before bootable cds. :) floppy disks
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| 09:35 | <Gadi> tomsrtbt?
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| 09:35 | ;)
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| 09:36 | or, boot it off of LTSP4.2 with a shell session ;)
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| 09:36 | <shawnp0wers> HMM....
| |
| 09:36 | that might work
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| 09:36 | Ahmuck has joined #ltsp | |
| 09:36 | <shawnp0wers> I have a shell session already running on 'em
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| 09:36 | I dunno if the shell has dd installed though
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| 09:36 | my guess is no
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| 09:36 | :)
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| 09:37 | <Gadi> it should
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| 09:37 | I used to turn LTSP4 servers into "poor man's burn servers" dd'ing harddrives over the network with dd and ssh
| |
| 09:37 | ;)
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| 09:37 | <shawnp0wers> cool, rebooting now. :)
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| 09:38 | I like the idea that doesn't involve finding 1) a floppy disk, and 2) a floppy drive that actually works
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| 09:38 | :)
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| 09:38 | <Gadi> I guess you're actually doing exactly the same thing
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| 09:38 | ssh user@server dd if=my.img | dd of=/dev/hda
| |
| 09:39 | :)
| |
| 09:39 | hmm... may need some quotes in there
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| 09:39 | be careful with dd
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| 09:39 | :)
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| 09:39 | <shawnp0wers> not with the quotes again...
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| 09:39 | :D
| |
| 09:39 | hmm... suggestions on what rom-o-matic image?
| |
| 09:39 | floppy?
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| 09:40 | <Gadi> hmm... I guess
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| 09:40 | <shawnp0wers> pxe bootstrap?
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| 09:40 | I hate it when my ignorance hangs out like this...
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| 09:40 | lol
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| 09:40 | <Gadi> alkisg is my go-to-guy for gPXE
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| 09:40 | <alkisg> :label alkis
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| 09:40 | goto alkis ? :D
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| 09:40 | <shawnp0wers> hehehe
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| 09:40 | <alkisg> !rom-o-matic
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| 09:40 | <ltspbot> alkisg: Error: "rom-o-matic" is not a valid command.
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| 09:40 | <alkisg> damn
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| 09:41 | <shawnp0wers> :D
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| 09:41 | alkisg: I need to write boot code to a hard drive...
| |
| 09:41 | it's been like 8 years since I've done it
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| 09:41 | <alkisg> grub?
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| 09:41 | <shawnp0wers> and... well, 8 years is a long time
| |
| 09:41 | <alkisg> https://help.ubuntu.com/community/UbuntuLTSP/grubgpxe
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| 09:41 | <shawnp0wers> so like the lkrn image?
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| 09:41 | <alkisg> Right, for grub it's perfect
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| 09:42 | linux16 gpxe.krn
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| 09:42 | (for grub2)
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| 09:42 | <shawnp0wers> then I just dd the image onto the hard drive?
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| 09:42 | <alkisg> No no no :)
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| 09:43 | You want to waste the whole drive?
| |
| 09:43 | <shawnp0wers> yes
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| 09:43 | I only do this because I don't have pxe boot
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| 09:43 | the hard drives currently have 8 year old etherboot written to the boot sector
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| 09:43 | <alkisg> Are those the old clients? Why don't you also put a local swap on them?
| |
| 09:43 | <shawnp0wers> but there is a bug that won't allow etherboot to work right
| |
| 09:43 | hmm...
| |
| 09:43 | that's actually a pretty good idea
| |
| 09:44 | <alkisg> So just format it normally, e.g. 500 MB swap and the rest ext3
| |
| 09:45 | And put grub and maybe a small recovery distro on the ext3 partition... (e.g. I've put knoppix or dsl on my thin clients there)
| |
| 09:45 | (unless of course you *don't* want them to be able to localboot)
| |
| 09:45 | <shawnp0wers> then the gpxe.krn is just something to add to the menu.lst for grub?
| |
| 09:46 | <alkisg> Right
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| 09:46 | <shawnp0wers> and no, I don't want them to local boot
| |
| 09:46 | fascinating idea
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| 09:46 | <alkisg> Well, local boot is handy for copying new gpxe versions :)
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| 09:46 | <shawnp0wers> now if I can just get a boot floppy to actually install with...
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| 09:46 | <alkisg> You can always put a password on grub
| |
| 09:46 | Well, download the gpxe floppy....
| |
| 09:46 | <shawnp0wers> (yeah, I'll just default to gpxe with a short timeout, not a big deal really)
| |
| 09:47 | what does the gpxe floppy provide?
| |
| 09:47 | <alkisg> Or the grub-rescue-pc package from ubuntu distros
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| 09:47 | <shawnp0wers> I thought gpxe floppy would, *just* PXE boot. :)
| |
| 09:47 | <alkisg> see the link I gave you
| |
| 09:48 | Hmmm well it supports installing to the mbr, but not actually copying the files... so no, not that one either
| |
| 09:49 | <shawnp0wers> suggestions on a minimalistic, text only distro?
| |
| 09:49 | <alkisg> I guess you need tonysbt what's-the-name or freedos, wait..
| |
| 09:49 | <shawnp0wers> does tomsrtboot support installing to hard drive?
| |
| 09:49 | well, no, I need grub
| |
| 09:49 | <alkisg> http://www.toms.net/rb/
| |
| 09:49 | <shawnp0wers> I'll figure it out
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| 09:49 | <alkisg> With that one you can format the disk
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| 09:49 | and partition
| |
| 09:50 | Then, insert the grub disk and copy it...
| |
| 09:50 | shawnp0wers: do those clients have a cd?
| |
| 09:50 | <shawnp0wers> alkisg: well, they do -- no idea if it works though
| |
| 09:50 | I can get one that does
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| 09:50 | <alkisg> Dah. I forgot. You can also do this:
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| 09:50 | <shawnp0wers> once I make the image
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| 09:50 | <alkisg> 1) Boot from a gpxe floppy
| |
| 09:50 | <shawnp0wers> I can just clone the drives though
| |
| 09:50 | <alkisg> 2) Run ltsp! and then format the disk from the ltsp prompt
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| 09:51 | I've done that as well some times
| |
| 09:51 | You need to manually mount the disk, but it's easy...
| |
| 09:51 | <shawnp0wers> cool, but can I create swapspace?
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| 09:51 | CAN-o-SPAM has joined #ltsp | |
| 09:51 | <alkisg> SCREEN_02=shell in lts.conf
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| 09:51 | Sure
| |
| 09:51 | mkfs etc
| |
| 09:51 | <shawnp0wers> oh, right -- after gpxe is installed
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| 09:51 | <alkisg> fdisk for partitioning... you know the deal
| |
| 09:51 | Without installing gpxe
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| 09:52 | Boot it from a floppy, and then format the disk without installing gpxe
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| 09:52 | <shawnp0wers> OH, so just use a boot floppy, then to the dirty work from an LTSP5 booted environment
| |
| 09:52 | <alkisg> After you partition, format etc copy grub and install grub
| |
| 09:52 | And just copy gpxe.krn from the server...
| |
| 09:52 | Right
| |
| 09:52 | <shawnp0wers> I may have to either google or pick brains about installing grub from there...
| |
| 09:52 | but I'll work on it now
| |
| 09:52 | :)
| |
| 09:53 | <alkisg> When you get there ping me
| |
| 09:53 | I think I remember most of the stuff
| |
| 09:53 | * shawnp0wers goes off in search of the elusive "floppy disk" and a usb floppy drive | |
| 09:53 | <shawnp0wers> (for his workstation)
| |
| 09:54 | <alkisg> For the gpxe disk, you just click "Get image" here: http://rom-o-matic.net/gpxe/gpxe-0.9.9/contrib/rom-o-matic/
| |
| 09:54 | <shawnp0wers> it gives me a certain joy that the floppy disk I found was a win95 install floppy...
| |
| 09:54 | <alkisg> ...and dd it to a floppy
| |
| 09:55 | Wait
| |
| 09:55 | You can also use this one :)
| |
| 09:55 | (to partition the disk... :))
| |
| 09:55 | <shawnp0wers> the gpxe disk?
| |
| 09:55 | <alkisg> No, the win95 install floppy! :D
| |
| 09:55 | <shawnp0wers> crap, bad floppy
| |
| 09:55 | (oh, it's like "disk 5"
| |
| 09:55 | :)
| |
| 09:56 | <alkisg> Heh, never mind then
| |
| 09:56 | It's fun playing with all the ancient hardware. Like Indiana Jones or something...
| |
| 09:59 | <shawnp0wers> alkisg: heheh -- http://www.natuba.com/photo/1EY5h4/
| |
| 09:59 | <alkisg> Muwahahaha :)
| |
| 10:06 | <shawnp0wers> alkisg: do I point the gpxe to pxelinux.0, or nbi.img?
| |
| 10:06 | <alkisg> pxelinux.0
| |
| 10:06 | <shawnp0wers> thx
| |
| 10:07 | <alkisg> nbi.img is not only difficult to work with, it's also broken in Karmic :)
| |
| 10:09 | <shawnp0wers> grr, fail on boot
| |
| 10:09 | maybe bad disk
| |
| 10:09 | maybe bad drive
| |
| 10:09 | maybe just bad karma
| |
| 10:09 | (hehehe, bad karma... see what I did there?)
| |
| 10:10 | ok, I'll try to work on it a bit more
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| 10:10 | maybe do it in a more recent computer
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| 10:10 | and image the drive
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| 10:10 | or somethign liket hat
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| 10:11 | <alkisg> If you're going to pull out the hard drive, and put it on a new computer, you can do all the formatting and grub installing there...
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| 10:12 | <shawnp0wers> Yeah, that's what I was thinking
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| 10:12 | boot from a CD
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| 10:12 | etc
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| 10:12 | <alkisg> You don't need to boot from a CD
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| 10:12 | <shawnp0wers> maybe even install a very stripped down distro
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| 10:12 | and add it to the grub menu
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| 10:12 | <alkisg> Ah, ok then
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| 10:13 | Deli linux works with 16/32 RAM :)
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| 10:13 | <shawnp0wers> cool, I'll check it out
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| 10:13 | I was googling for what distro to try
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| 10:13 | :)
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| 10:13 | <alkisg> (with X, I mean, not text only)
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| 10:13 | Ah sorry it has lilo
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| 10:13 | You can use lilo of course, not sure if you want to, though
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| 10:13 | <shawnp0wers> heck, I could install ubuntu on it for that matter
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| 10:13 | not going to load it
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| 10:14 | and never going to load x
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| 10:14 | <alkisg> Well then copy the chroot :D
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| 10:14 | <shawnp0wers> OOOO!!! great idea
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| 12:26 | <Denbert> cyberorg, italc can't see clients if they login via FreeNX - Which admin tool should I use for those clients?
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| 13:06 | <alkisg> Is the following idea for passwordless ssh an acceptable way to control many standalone clients from a server?
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| 13:06 | 1) Create ssh keys for the root user on the server: sudo ssh-keygen
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| 13:06 | 2) Edit /etc/ssh/sshd_config on the clients, and specify: AuthorizedKeysFile /etc/ssh/authorized_keys
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| 13:06 | 3) Copy the public key of the server root user to the clients' /etc/ssh/authorized_keys
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| 13:06 | This way anyone with sudo privileges on the server could do: sudo ssh user@client and automatically logon there.
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| 13:06 | Any tactical problems with this approach?
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| 13:12 | <Denbert> Anyone got an idear to lock users to their home dir?
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| 13:12 | <sbalneav> define "lock users to their home dir"?
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| 13:12 | you mean, make it so they can't see anything OUTSIDE their home dir?
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| 13:14 | Denbert: ?
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| 13:20 | <Denbert> sbalneav, correct
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| 13:20 | <sbalneav> Not really possible on Unix-like systems
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| 13:21 | And not really a worry anyway. They can look, but they can't touch
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| 13:22 | And, if you set the default permissions correctly, they won't be able to get into eiach others home dirs, so apart from wandering around looking at the file system, there's no concern.
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| 13:22 | <Denbert> If the setup is for students, they should have their own private documents
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| 13:22 | <sbalneav> right, in their home dirs.
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| 13:24 | <Denbert> Won't other users be able to see and read their documents
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| 13:25 | <sbalneav> No, not if you set the default home directory permissions to 700
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| 13:25 | then they'll only be viewable by the users themselves
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| 13:25 | <Denbert> Ok
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| 13:26 | Thanx
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| 13:27 | <Denbert> How about this doc https://help.ubuntu.com/community/UbuntuLTSP/LockdownHomeDirs
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| 13:30 | <sbalneav> How about it?
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| 13:33 | <Denbert> This doc suggest 770
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| 13:33 | but this would give read acces for group, right?
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| 13:36 | <sbalneav> Correct.
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| 13:36 | <Denbert> I'll read up on ACL intensive right now :)
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| 13:36 | Looks important for a School LTSP server
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| 13:37 | <sbalneav> The document assumes the groups are assigned in the linux standard way, with each user getting their own group
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| 13:37 | if you assign all your users to ONE primary group, then you'll have to use 700
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| 13:42 | <Denbert> Thanks - I'll try to implement groups being class no/grade e.g. 1B
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| 13:42 | Therefore I'll keep the 700 in mind
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| 13:44 | I've talked to cyberdog earlier today
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| 13:44 | about serverload
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| 13:46 | If i have a Dual Quad Core Processor server with 32 gb RAM and really fast RAID 1 + 0 setup
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| 13:46 | Would this server be able to handle 70 clients?
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| 13:59 | <sbalneav> That's completely and utterly dependent upon what you're wanting to do with the clients.
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| 14:04 | <Denbert> sbalneav, It's for Open Office, Browsing Internet and for some users ability to Videostream from Youtube
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| 14:04 | <sbalneav> If you want 70 clients all watching simultaneous youtube videos, without using localapps, then the answer is no.
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| 14:04 | <Denbert> Mainly OpenOffice and Browsing
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| 14:05 | <sbalneav> Flash is the big resource killer, since it's a badly behaved app
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| 14:05 | other than thay, should be fine.
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| 14:05 | brb, meeting
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| 14:05 | <Denbert> thanx
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| 14:07 | <alkisg> Denbert: how much RAM do your clients have?
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| 14:07 | <MaRX-Mode> what is the situation with ltsp5 and gentoo? will it going to be a fight get it working ?
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| 14:07 | <alkisg> afaik johnny doesn't have a gentoo box atm, and he's looking to get one... or any help welcome or something like that
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| 14:09 | <MaRX-Mode> mmh
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| 14:13 | <MaRX-Mode> so basically i should pull some gentoo machine up and see what's bout to happen
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| 14:14 | <alkisg> For details on the current status, come again and try to find johnny....
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| 14:17 | <MaRX-Mode> thx, i'll fall back to shadows and ask him
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| 14:17 | <Denbert> alkisg, Clints is mixed, most have 128mb or more
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| 14:17 | <alkisg> Denbert: with 256 you could probably run firefox locally. With less, I don't think so.
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| 14:18 | If you run firefox locally, flash goes smoother, and the server CPU is not a bottleneck anymore
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| 14:18 | Otherwise, even a few clients on youtube could get you 100% CPU usage.
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| 14:19 | <Denbert> Case is that some clients also wil be using NX client from their Windows Laptops - But those will be browsing locally
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| 14:20 | I'll try to start 5 clients om my local server and watch youtube later
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| 14:20 | <alkisg> What were you saying about italc before? Why doesn't it support nx clients?
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| 14:20 | Is it a ports thing?
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| 14:21 | <Denbert> The italc is installed from ubuntu repo
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| 14:21 | the NX client is nomachine
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| 14:22 | PXE clients works treat in italc
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| 14:22 | <alkisg> Yeah then I think if you define "LTSP_CLIENT" in the nx client environment, it should work
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| 14:22 | <Denbert> Ok
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| 14:22 | <alkisg> And if it doesn't, I bet it's easily fixable with a little "ica-launcher" tweaking.
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| 14:23 | (that's the client italc launcher)
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| 14:27 | <Denbert> in the NX client I have Unix, Windows, VNC & Shadow
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| 14:28 | No LTSP_CLIENT
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| 14:32 | <Gadi> Denbert: try adding: export LTSP_CLIENT=0.0.0.0 to the end of the node.conf file on the server
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| 14:33 | <Denbert> Is userquota controlled like a normal Ubuntu, or do I need a special setup for LTSP?
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| 14:36 | Gadi, done, should I restart something?
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| 14:39 | <Denbert> Gadi, TNAHX - Worked great
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| 14:42 | <alkisg> Gadi: you should keep a wiki or a blogs with all those nice tips :)
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| 14:44 | <Denbert> How do I save all these posts to my local com :)
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| 14:45 | <Gadi> alkisg: I am too Web 0.1 ;)
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| 14:45 | <alkisg> Bah, me too, I'm waiting for the revolutionary Web 3.11 :D
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| 14:47 | <_UsUrPeR_> I'm waiting for that sweet VR suit from "The Lawnmower Man"
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| 14:49 | <Gadi> just for the record, that was not my hack and I never used it. I think it got in my brain from some patch stgraber posted somewhere
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| 14:51 | <alkisg> No I knew about the LTSP_CLIENT hack, I just didn't know about node.conf...
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| 14:52 | <Gadi> yeah, I said the same thing - huh. mental note...
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| 15:03 | <Denbert> alkisg, Youtube is a CPU killer
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| 15:03 | <alkisg> Yeah I know.
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| 15:03 | !flash
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| 15:03 | <ltspbot> alkisg: "flash" :: Yes, flash sucks. Make sure you have LDM_DIRECTX=True in your lts.conf file, or if it's just youtube you're after, try the HQtube plugin. Install greasemonkey for firefox, and see http://userscripts.org/scripts/show/24999
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| 15:03 | <Denbert> Having 3 clients now running U2 Live from Rosebowl
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| 15:08 | Should greasemonkey be installed on server or should I install in LTSP area?
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| 15:10 | <alkisg> Server
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| 15:10 | I also have this one bookmarked, I don't know which one is better: http://userscripts.org/scripts/show/50771
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| 15:12 | <Denbert> Installed the first script
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| 15:13 | 3 youtube sessions, still burns CPU
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| 15:13 | should I restart Client FireFox?
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| 15:18 | My server is a Quadcore AMD 9950 BE, 64-bit OS, 8 GB Ram - AVG CPU is 48% for 3 clients streaming Youtube
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| 15:22 | Stopping browsers, and CPU load drops to 5-6%
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