IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 25 March 2014 (all times are UTC)
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| 02:54 | <Guest55115> I have a question regarding setting up a thin client
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| 07:50 | <needhelp__> goodmorning guys
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| 07:51 | Can someone help me with debian ltsp?
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| 07:51 | Is there anyone online??
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| 07:58 | someone????
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| 08:03 | <needhelp__> goodmorning guys
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| 08:03 | Can someone help me?
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| 08:05 | I need a graphical boot instead of the boot messages
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| 08:05 | Can someone help me with that?
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| 08:06 | <monkwitdafunk> Are you using a thin client
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| 08:06 | <needhelp__> yes
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| 08:06 | Its booting already
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| 08:06 | I just want to hide the bootmessages for the users
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| 08:07 | Can you help me with that?
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| 08:08 | <monkwitdafunk> Are you using BIOS before the operating system?
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| 08:08 | it is tje other option than post messages
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| 08:09 | Choose logo screen
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| 08:10 | <needhelp__> what do you mean with
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| 08:10 | Are you using BIOS before
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| 08:10 | <monkwitdafunk> Which operating system are you using for the dhcp server to pxe boot?
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| 08:11 | <needhelp__> The thinclient boots up, searches for the pxelinux.cnf and than displays boot messages until its booted
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| 08:11 | I want to hide the boolines
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| 08:11 | I am using debian 7 wheezy
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| 08:11 | *bootlines
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| 08:11 | <monkwitdafunk> Oh. Some hardware may have a mandatory setting if an extra bus is used
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| 08:12 | Mandatory post messages if this pci slot is taken by this hardware
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| 08:12 | <needhelp__> Yes
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| 08:12 | <monkwitdafunk> It depends on your manufactured systen
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| 08:13 | <needhelp__> But in ubuntu you can hide that messages by using a splash screen
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| 08:13 | Its does not depend on the system
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| 08:13 | Its already booting
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| 08:13 | I have to change something in the ltsp-client
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| 08:13 | <monkwitdafunk> Post messages cone first
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| 08:14 | <needhelp__> what do you mean with that?
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| 08:15 | <monkwitdafunk> Input and output before the oeprating system and then operating system start
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| 08:15 | <needhelp__> yes I know
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| 08:16 | <monkwitdafunk> Or it can be io over a network to access the os
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| 08:16 | <needhelp__> But there must be a possibility to make a bootsplash for that
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| 08:16 | Its using pxe
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| 08:17 | so its over the network
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| 08:18 | <monkwitdafunk> What if you can use openwall with pxe boot
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| 08:19 | <monkwitdafunk> Do you know how to configure grub by editing with a text editor
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| 08:19 | <needhelp__> yes
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| 08:20 | But pxe is not using grub??
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| 08:20 | <monkwitdafunk> Your better than me then
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| 08:20 | <needhelp__> hmm okay
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| 08:20 | <monkwitdafunk> I have seen the example.of grub used
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| 08:20 | <needhelp__> where are you using ltsp for than?
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| 08:22 | <monkwitdafunk> I am not using it right now but i should try as a hone user
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| 08:22 | Home*
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| 08:22 | <needhelp__> ahh okay
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| 08:22 | You really should try it
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| 08:22 | Its a very nice system
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| 08:22 | And its not slow
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| 08:23 | <monkwitdafunk> Maybe i can
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| 08:24 | I can use one operating system on a three computers
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| 08:26 | <needhelp__> yes
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| 08:26 | But when it runs on 3 it also runs on 20
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| 08:26 | Or when you have a more powerfull computer you can run like 500 on them
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| 08:27 | I am using this system on a school right now
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| 08:27 | <samc> Hi someone can point me to a howto for configuring localdev ? everything works with an USB stick (ntfs) but still no ghance with USB drives (ext3, ext4) it is a simple permissions error ?
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| 08:28 | <elias_a_> needhelp__: Where isii that school?
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| 08:28 | needhelp__: Where is that school? (Sorry for typos)
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| 08:30 | samc: Have you read this? http://wiki.ltsp.org/wiki/Tips_and_Tricks/Devices
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| 08:30 | <monkwitdafunk> Televisions are cheaper this year
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| 08:32 | <samc> elias_a_ : yes, and an USB stick formatted with a windows box works perfectly
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| 08:34 | <Hyperbyte> needhelp__, you said yesterday you're from Holland. Where abouts?
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| 08:35 | <needhelp__> Im from holland yeah
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| 08:37 | Can someone help me with creating a bootsplash?\
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| 08:39 | <Hyperbyte> needhelp__, me too... which city?
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| 08:44 | <needhelp__> friesland
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| 08:44 | ow de westereen i mean
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| 08:45 | hyperbyte kan je me helpen met het maken van een bootsplash?
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| 08:49 | ?????
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| 08:53 | <work_alkisg> samc: http://manpages.ubuntu.com/lts.conf ==> LOCALDEV_DENY_INTERNAL_DISKS=False. Even though it's not internal, I think it considers external disks as internal.
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| 08:55 | <elias_a_> needhelp__: Nice to hear! I wish you all the luck with your efforts.
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| 08:57 | <Hyperbyte> needhelp__, I don't understand a few things.
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| 08:57 | For example, when I install Ubuntu on a server, and make a thin client setup, it -has- a boot splash.
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| 08:57 | Where did yours go?
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| 08:57 | <work_alkisg> He's using debian
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| 08:57 | <Hyperbyte> Oh....
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| 08:58 | Well, I don't know anything about Debian.
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| 08:58 | <work_alkisg> Yeah I told him it's not an ltsp issue but he won't listen
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| 08:58 | <Hyperbyte> needhelp__, you're still experimenting right, with your setup? It's not in use yet, correct?
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| 09:06 | <needhelp__> yes i am experimenting
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| 09:06 | <samc> work_alkisg: OKAY ! I confirm: USB disks with ext(x )formats, even they arn't internals are considered as internals. everything works now with LOCALDEV_DENY_INTERNAL_DISKS=False
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| 09:12 | something to write on the wiki ?
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| 09:14 | <needhelp__> hyperbyte
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| 09:14 | Its not in use yet
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| 09:14 | Can you please help me?
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| 09:17 | <Hyperbyte> needhelp__, okay - so if you're still experimenting... try Ubuntu 12.04 with LTSP. See how that works out vs. Debian. You'll also be able to get -a lot- more support for Ubuntu, since it's what most LTSP users use.
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| 09:18 | <Hyperbyte> needhelp__, http://www.ltsp.org/stories/stats/
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| 09:19 | <needhelp__> I am doing this for this school
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| 09:19 | they asked me to use debian because all of it is debian
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| 09:20 | <Hyperbyte> Right, and your advice to them should be, LTSP is most used with, best supported on and most actively developed for Ubuntu, we should rather choose that.
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| 09:21 | If you absolutely -must- use Debian, then you must find someone who also uses Debian to support you.
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| 09:21 | <needhelp__> Yes that would be an option, I first will tryout ubuntu.
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| 09:22 | <Hyperbyte> LTSP is nothing more than a tool that enables any Linux OS to boot thin clients over the network.
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| 09:22 | <needhelp__> Do you know if there is a standard bootsplash in ubuntu?
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| 09:22 | <Hyperbyte> -How- the thin clients boot and -what- desktop experience the clients provides, that's entirely up to the distribution used.
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| 09:22 | <needhelp__> Yes I know that
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| 09:24 | <Hyperbyte> So if you don't see a splash screen with Debian, or if you don't get a nice desktop with Fedora - that's outside of the scope of the LTSP project. You could ask in #debian, maybe someone there knows.
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| 09:24 | <needhelp__> I am already doing that
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| 09:25 | No one can tell me....
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| 09:25 | But thanks for your support
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| 09:25 | <Hyperbyte> Well, if it's not working out, try another distro. :-) Also tell your IT colleagues that they should always use a distribution that is most suited for the task, not necessarily "always the same" distribution.
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| 09:26 | <needhelp__> Yes okay, I am on a internship :p
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| 09:26 | <Hyperbyte> I'm running CentOS here as host for my virtual servers. My LAMP server is Fedora, my Asterisk server is CentOS and my LTSP server is Ubuntu... why? Because Fedora has newer PHP version than CentOS, and because Ubuntu has much better LTSP support than CentOS. ;-)
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| 09:26 | <needhelp__> But if the ubuntu works better I will tell them
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| 09:26 | Where are you from than?
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| 09:27 | Which city?
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| 09:27 | Which company
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| 09:29 | <Hyperbyte> Rotterdam. I work at a company that provides recreation & care for disabled people. Mainly we organize group vacations for people with a mental disability, who need some guidance & companionship during vacation, but we do other things as well.
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| 09:33 | <needhelp__> Okay
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| 09:33 | <Hyperbyte> :)
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| 09:40 | <needhelp__> I am in my last year of the MBO ICT Beheer niveau 4
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| 09:43 | <Hyperbyte> Nice. I went the route of application developer. :-)
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| 09:47 | <needhelp__> aah okay
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| 09:48 | We are on a internship in germany with 3 classmates
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| 09:48 | <needhelp__> 1 of them is also a application developer
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| 09:48 | Whe have to make a management system for the school
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| 09:49 | he is designing the webinterface
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| 09:49 | and creating ofcourse
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| 09:49 | <Hyperbyte> Ah. This also explains why you have a German IP address. :)
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| 09:50 | <needhelp__> yes :(
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| 09:50 | The internet sucks over here
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| 09:50 | its 3.5 mbit
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| 09:50 | <Hyperbyte> Hah... Germany internet rules.
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| 09:50 | But only if you get into the bigger cities. :)
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| 09:50 | <needhelp__> yes offcourse
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| 09:53 | <Hyperbyte> I like Germany. :)
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| 10:02 | <markosu> What is easiest way to manage programs in startmenu (Lubuntu 12.04)?
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| 10:03 | I like to have only firefox, libreoffice shown in menu.
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| 10:04 | and what file setup new users settings?
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| 10:04 | skeleton user?
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| 10:04 | <der_baer> hi all, is ldm supporting PAM ? I have an ubuntu 12.04 FATclient enviroment and want to unlock the gnome-login keyring, the normal way would be to edit some files under /etc/pam.d/ but that seems not supported. There is a way to feed the gnome-keyring-daemon over STDIN but i dind not found a way to grep the password out of the ldm (other then a keylogger :-)). Is this a known problem and is there maybe a workaround/fix??
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| 10:06 | markosu: create a test user by hand and copy the home dir after some clean up to /etc/skel
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| 10:08 | <markosu> der_baer: thx
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| 10:12 | <der_baer> under ubuntu (unity) the menuitems are saved within dconf so it is enought to just copy .config/dconf/user but for Lubunu I'm not so shure about it
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| 10:13 | mm no ldm guru around ??
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| 14:37 | <[conrad]> ello everyone. I'm using 12.04 and just recently installed a new NIC, and now my LTSP doesn't work anymore. Specifically the DHCP server isc-dhcp-server. I originally thought it wass because my interface went from eth1 to eth4, but I got that resolved ( it's now eth1 ). Trying to start the server via init or service results in a failure, and there is nothing in syslog, just "error code 1" in kern.log .
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| 14:37 | Hello*
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| 14:39 | <Hyperbyte> [conrad], see output of /var/log/syslog
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| 14:40 | <[conrad]> Hyperbyte: As per my previous message, there is nothing in syslog being reported. Just "error code 1" in kern.log
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| 14:44 | <Hyperbyte> Is there a dhcpd.log?
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| 14:44 | <[conrad]> Not in /var/log
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| 14:45 | <Hyperbyte> [conrad], meh... run service manually with output to standard output:
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| 14:45 | dhcpd -d -f
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| 14:47 | <[conrad]> No subnet declaration for eth1 (192.168.0.1).
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| 14:47 | ** Ignoring requests on eth1. If this is not what you want, please write a subnet declaration in your dhcpd.conf file for the network segment to which interface eth1 is attached. **
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| 14:48 | The thing is, everything is configured exactly how it was before.
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| 14:49 | <Hyperbyte> Pastebin your /etc/dhcp/dhcpd.conf
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| 14:49 | !pastebin
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| 14:49 | <ltsp`> pastebin: the LTSP pastebin is at http://ltsp.pastebin.com. Please paste all text longer than a line or two to the pastebin, as it helps to reduce traffic in the channel. Don't forget to paste the URL of the text here.
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| 14:50 | <[conrad]> Don't you mean /etc/ltsp/dhcpd.conf ?
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| 14:52 | http://pastebin.com/ENjVALBi
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| 14:55 | <ogra_> [conrad], and your /etc/dhcp/dhcpd.conf is still in place (it is used to include the ltsp config)
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| 14:56 | <Hyperbyte> [conrad], pastebin the output of: ls -al /etc/dhcp/dhcpd.conf
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| 14:56 | Also, looking at your dhcpd.conf... no dynamic range, no unknown clients - is this correct? You only have the 7 static clients in your network?
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| 14:57 | <[conrad]> My apologies, the issue appears to be that someone in fact did try and modify this config file. You'll notice two instance of "client202" in that config file I pastebin'd
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| 14:57 | <Hyperbyte> [conrad], something else that came to mind - what you just pasted, is not an error message. It's a notice. There should be a real error, or else dhcpd would just start up and not hand out leases.
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| 14:58 | <Hyperbyte> .... ah
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| 14:58 | Well you're welcome.
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| 14:58 | Hahaha
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| 14:58 | <ogra_> :)
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| 14:59 | <Hyperbyte> Welcome back. Haha, for a moment there I thought you ragequit. :P
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| 15:00 | <[conrad]> :-) Nah. I needed to pass the config file to get the actual error ( IE sudo dhcpd -d -cf /etc/ltsp/dhcpd.conf ), which reported that duplicate entry. Just so happens someone was trying to do that at the same time we were replacing the NIC.
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| 15:00 | <ogra_> [conrad], did you fiddle with the settings in /etc/default ?
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| 15:00 | normally dhcpd does self tests and prints issues with the config
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| 15:01 | unless you force a device in /etc/default (which you shouldnt do)
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| 15:02 | <[conrad]> ogra_: Everything is all set. Someone modified the /etc/ltsp/dhcpd.conf with a bad entry for a new host. This is resolved now.
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| 15:02 | Hyperbyte: Thanks for the help. Sorry for wasting your time.
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| 15:03 | <ogra_> [conrad], right, just saying ... dhcpd usually does a self test on start if there is no interface forced, so you would have gotten that info right away
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| 15:46 | <Ark74> hi, good day guys!
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| 15:49 | <Ark74> any recommendation besides LDM_DIRECTX = TRUE to improve the frame per second rate on the clients side?
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| 15:51 | i use a lot the epoptes streaming
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| 15:51 | from server to clients
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| 16:01 | <alkisg> Check ethernet flow control. Also, if you have an old epoptes version, get the patch about multithreaded broadcasting.
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| 16:01 | And, vnc isn't designed for video broadcasting... you'd need video streaming in that case
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| 16:02 | <Ark74> alkisg, does the epoptes ppa has the patch?
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| 16:02 | <alkisg> Which version do you have? Yes, it has it.l
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| 16:03 | <Ark74> good then i have that covered already
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| 16:03 | <alkisg> http://www.epoptes.org/documentation/lan-benchmark
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| 16:03 | Check that when you have the opportunity
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| 16:04 | <Ark74> of course
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| 17:00 | <Ark74> brb
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| 19:02 | <Ark74> !ltsp flow
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| 19:02 | <ltsp`> Error: "ltsp" is not a valid command.
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| 19:04 | <bennabiy> alkisg: have you ever done anything with port knocking?
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| 19:04 | vagrantc: ^
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| 19:04 | <Ark74> how can i ask the ltsp bot about one subject? xD
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| 19:05 | <vagrantc> !talktomebot
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| 19:05 | <ltsp`> Error: "talktomebot" is not a valid command.
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| 19:06 | <vagrantc> bennabiy: no
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| 19:06 | !flow
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| 19:06 | <ltsp`> I do not know about 'flow', but I do know about these similar topics: 'flash'
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| 19:07 | <Ark74> ohh, nice
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| 19:07 | thanks vagrantc
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| 19:08 | !flow-control
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| 19:08 | <ltsp`> Error: "flow-control" is not a valid command.
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| 19:08 | <Ark74> !flow control
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| 19:08 | <ltsp`> Error: "flow" is not a valid command.
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| 19:08 | <Ark74> bad xD
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| 19:08 | <vagrantc> Ark74: it probably doesn't have an entry for what you're looking for if it doesn't find "flow"
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| 19:09 | it only knows what we tell it
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| 19:09 | ltsp`: learn flow-control as under construction, come back another time
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| 19:17 | <Ark74> yeah i see
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| 19:18 | vagrantc, do you know which log should i look so i can be sure that the flow control is enabled (on the ethernet card)
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| 19:18 | ...
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| 19:18 | and affecting me
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| 20:25 | <alkisg> Ark74: the lan benchmark I linked will tell you if you have flow control issues
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| 20:25 | It's the best way to see it; you cannot reliably check some flag etc
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| 20:26 | !learn flowcontrol as https://help.ubuntu.com/community/UbuntuLTSP/FlowControl
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| 20:26 | <ltsp`> The operation succeeded.
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| 20:27 | <alkisg> !lan-benchmark
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| 20:27 | <ltsp`> lan-benchmark: If you have a mixed-speed network (gigabit server<=>switch connection, and 100 Mbits/sec clients<=>switch connections), then you might suffer from the !flow-control issue. To benchmark your LAN with epoptes, see http://www.epoptes.org/documentation/lan-benchmark
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| 20:29 | <bennabiy> !flow-control
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| 20:29 | <ltsp`> flow-control: https://help.ubuntu.com/community/UbuntuLTSP/FlowControl
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| 20:32 | <Ark74> alkisg, i did the test and it used the 100Mbps on a single client and 50-50 on 2 clients. SO i think is ok. But again when streaming it only uses ~45 Mbps total (on both clients) and the streaming is not really good.
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| 20:32 | <alkisg> Ark74: no gigabit?!
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| 20:32 | Ah, you mean 200 mbps in total?
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| 20:33 | <Ark74> alkisg, yeah 100Mbps, this is a test LAN
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| 20:33 | <alkisg> Then there's no point in testing flow control
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| 20:33 | The server <=> switch connection should be gigabit
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| 20:34 | And also again, vnc is not designed for broadcasting video
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| 20:34 | You need video streaming for that
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| 20:34 | <Ark74> ok, the that's what is happening
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| 20:34 | <alkisg> Set up a stream with vlc and use epoptes to tell all the clients to play it back
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| 20:35 | <Ark74> on the real ltsp network we have a mixed 100/1000
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| 20:35 | lan
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| 20:35 | <alkisg> Or use gstreamer on the "teacher" pc to have multiple outputs to all the "student" monitors with any gstreamer-based program, e.g. totem
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| 20:36 | OK, do the lan-benchmark there
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| 20:36 | <Ark74> with the same issue, so maybe the reason as *you already point it out* is VNC
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| 20:36 | <alkisg> You should be getting about 4-5 frames per second
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| 20:36 | If you get less, you might have the flow control issue
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| 20:37 | You can't really get more with vnc
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| 20:37 | <Ark74> i'll run the benchmark there and also set vlc to stream
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| 20:38 | alkisg, yet another question about it, could it be that the client video card is on the MoBo with 8MB??
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| 20:39 | wouldn't it matter?
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| 20:39 | <alkisg> No
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| 20:39 | When streaming video with vlc, on thin clients, it would matter if the card didn't support xvideo
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| 20:39 | But it doesn't matter with vnc
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| 20:40 | <Ark74> !xvideo
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| 20:40 | <ltsp`> Error: "xvideo" is not a valid command.
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| 20:40 | <Ark74> xD no luck with the ltsp-bot
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| 20:40 | hahaha
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| 20:40 | ok, i'll run those tests before i run into xvideo/videocard support
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| 20:40 | xD
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| 20:41 | <alkisg> xvinfo tells you if you have xv support
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| 20:41 | But it doesn't matter at all for vnc, browsing etc
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| 20:41 | It only matters when you play a video with a real video player
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| 20:44 | <Ark74> ok, thanks for the info and mostly your time :)
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