IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 3 September 2010 (all times are UTC)
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| 02:27 | <phed__> hi, does anyone know a pxe-able usb-adapter?
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| 02:27 | preferably gigabit
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| 02:33 | <johnny> phed__, will any machines actually that way?
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| 02:33 | even if you had one?
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| 02:34 | i don't know if the bios would look for it
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| 02:34 | is there a reaosn you want a usb network adaptor ?
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| 02:36 | <phed__> it's quite complex, reason is that the machines are not having room for an extra card. and there are other images to standardize
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| 02:36 | there are some odd cards that do have it, but only from argon or very old 3com cards
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| 02:36 | <johnny> but do they all already have network cards?
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| 02:37 | <phed__> of different brands. and that crashes with standardizing
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| 02:37 | <johnny> why not instead just put gpxe on a usb stick
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| 02:37 | i don't think such a thing exists.. or if it did, i do not believe any of your BIOS would boot from it
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| 02:37 | <johnny> not unless that cart pretended to be a bootable drive, but actually talked to pxe
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| 02:38 | gpxe with all the drivers should support most of your cards
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| 02:40 | <phed__> the worry is that some machines will also use RIS
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| 02:46 | http://argontechnology.com/usb-fast-ethernet-with-pxe.html <- this is the only thing apart from that old 3c that seems to do magic
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| 02:47 | and rereading what you told me in mind it indeed sounds like a combined usbstick and adapter
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| 03:04 | ok the way to go seems to be to use a standard usb-adapter and two usb-sticks :)
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| 03:06 | <alkisg> Only if you manage to find pxe support for it. E.g. gpxe won't support all usb-adapters...
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| 03:08 | <phed__> obviously, but it is probably easier than standardizing on 3c460b :)
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| 03:14 | * alkisg didn't really understand why there's a need to avoid using the pci network cards instead... | |
| 03:15 | <alkisg> All those PCs have USB 2.0 and no pci nics?
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| 03:15 | (because with usb 1.1 you won't go far...)
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| 04:23 | <rogers> hi, could someone help me to make italc work with ltsp on ubuntu 10.04?
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| 04:26 | what to do first? install master on server or client on chroot
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| 04:26 | ?
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| 05:08 | <Studen> hello
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| 05:08 | anyone here
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| 05:08 | i just want to ask something
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| 05:09 | where can i find described detailed of Ubuntu Thin Clinet
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| 06:15 | <fly23> hi
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| 06:16 | how does mounting of cdroms work in ubuntu 10.04?
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| 06:17 | <fly23> as far as i know, there is no entry in fstab for cdroms any more
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| 06:17 | so hal should do some automount magic
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| 06:31 | <fly23> /dev/sr0 /cdrom udf,iso9660 noauto,user,exec,utf8 0 0
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| 06:33 | seems to work, but strangeehavior with nautilus
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| 07:44 | <markit> hi, I've heard about "fat clients" configuration. Is it possible have some clients as "thin" and others as "fat"?
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| 07:44 | just in case I've a classroom with some good "powerful" pc and some that are not
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| 07:46 | <Barbosa> Where I found any reference about how to install scanner in ltsp 5 thin client ?
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| 07:47 | <vmlintu> markit: yes, it's possible to do that
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| 07:47 | <markit> vmlintu: great, a parameter in the dhcp? in tftp? well documented?
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| 07:50 | <vmlintu> markit: I have to admit, that I'm running so heavily customised environments that I've forgotten how the out-of-the-box support works..
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| 07:51 | <markit> vmlintu: ok, thanks anyway (googling didn't provide usefull info, maybe I'll try later with more time to dig)
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| 07:51 | <vmlintu> markit: one way is to create two images - one for thin clients and one for fat clients and in dhcp settings define which one is being used
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| 07:52 | markit: another way, that I'm using, is to create one image that supports both and is configured with lts.conf, but I'm not sure if the current ubuntu ltsp scripts have this working or not
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| 09:04 | <alkisg> markit: fat/thin can be separated automatically depending on the client RAM. By default, < 300MB ==> thin, > 300 MB ==> fat.
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| 09:05 | You can also use LTSP_FATCLIENT=true/false in lts.conf
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| 09:05 | (no need for 2 images, a fat chroot can also boot thin clients too)
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| 09:10 | <vmlintu> alkisg: ok, good to know.. I've been doing too much custom stuff..
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| 09:10 | <alkisg> vmlintu: there's an ltsp_config.d directory which can be useful for customizations...
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| 09:11 | everything there is sourced automatically at client startup
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| 09:14 | <vmlintu> alkisg: right now I'm hoping to get rid of ldm and replace it with gdm for thin clients..
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| 09:15 | and fat clients too..
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| 09:15 | <alkisg> vmlintu: with ldap?
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| 09:15 | <vmlintu> kerberos
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| 09:15 | we have ldm+kerberos working with some creative hacks, but gdm would be much cleaner..
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| 09:16 | <alkisg> I'd like to do it like nx does it: the clients to connect to a special user on the server (maybe gdm) and run a remote gdm instead of a local ldm
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| 09:16 | That would make them use the same login mechanisms that the server uses, and also save them some RAM (no ldm/greeter needed locally)
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| 09:17 | <vmlintu> I was planning to run gdm locally like ldm
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| 09:17 | <alkisg> ...but that "special user" (like the nx user) idea has some security considerations, so I abandoned it :)
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| 09:18 | Yeah, got it. You'd need to "transfer" some of the ldm scripts to gdm too, for the lts.conf vars to keep working
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| 09:18 | <vmlintu> yep.. although the plan is to get lts.conf variables from ldap..
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| 09:19 | the ssh part should get much simpler as ssh+kerberos logs in without passwords..
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| 09:20 | <alkisg> If you're using kerberos, you don't need ssh at all for fat clients, do you?
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| 09:20 | <vmlintu> no
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| 09:20 | <vmlintu> Our hardy systems are already running with gdm+kerberos without ssh
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| 09:22 | gdm+kerberos on thin clients would also fix the problems with expired passwords
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| 09:24 | <alkisg> Any handy links about your setup, or in general how to use kerberos for authentication?
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| 09:26 | <vmlintu> not about the current setup as we are phasing it out and replacing it with 10.04 + Puavo (http://wiki.github.com/opinsys/puavo-users/)
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| 09:26 | <alkisg> ty!
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| 09:26 | <vmlintu> http://www.opinsys.fi/en/setting-up-openldap-kerberos-on-ubuntu-10-04-lucid
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| 09:27 | there's a bit about kerberos
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| 09:29 | I've been testing some LDAP+kerberos setups for Puavo and now we are up to 250 ldap databases in a cluster..
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| 09:29 | So that means that a single cluster can manage 250 organisations (e.g. school districts)
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| 09:31 | <vmlintu> So now I of course want to get my ltsp servers to use the centrally managed ldap+kerberos setup with local slaves to do all the hard work..
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| 09:49 | <alkisg> That'd be perfect here too at some point, we do have a central ldap database for all greek students (email etc) but we don't use it for local authentication yet
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| 09:55 | <vmlintu> how many users there are in the database?
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| 10:11 | <alkisg> All the students in greece from 12-18 y.o., not sure about the number
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| 10:11 | <jammcq> g'morning friends
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| 10:12 | <alkisg> Hey jammcq
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| 10:15 | <mistik1> jammcq!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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| 10:15 | <jammcq> hey alkisg
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| 10:15 | mistik1 ????????
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| 10:15 | <mistik1> :)
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| 10:15 | <jammcq> wow buddy, how've you been?
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| 10:15 | <mistik1> jam; hey bro
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| 10:15 | <jammcq> what's goin on?
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| 10:15 | <mistik1> i still have life so no complaints
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| 10:16 | <jammcq> wow, how long has it been since we talked? seems like forever
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| 10:16 | <mistik1> well i'm still in Jamaica but I finally have a connection at home
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| 10:16 | almost 2 years
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| 10:16 | <jammcq> wow
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| 10:16 | how's life down there?
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| 10:17 | <mistik1> Its rough using our economy but if I can make a few US/CND $ its pretty good
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| 10:17 | <jammcq> heh, it's rough everywhere these days
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| 10:17 | <mistik1> At least I can go pick my breakfast off a tree :)
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| 10:17 | <jammcq> even up here in michigan
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| 10:18 | heh
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| 10:18 | * mistik1 here updating a 2 yo install | |
| 10:19 | <mistik1> I dont think any other distro could manage this much without a complete reinstall
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| 10:19 | <jammcq> which distro are you using?
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| 10:19 | <mistik1> actually its more like three years old
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| 10:19 | Gentoo
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| 10:20 | In my experience most anything else would have been just reinstall man
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| 10:20 | <mistik1> and with my cdrom drive gone to /dev/null that would have been difficult to say the least
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| 10:22 | jammcq: So how's things man, how is the family/
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| 10:22 | ?
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| 10:22 | your big girl should be college bound now right/
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| 10:23 | <jammcq> family is good. one daughter graduated college, 1 daughter in college and another in high school
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| 10:23 | <mistik1> sweet
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| 10:23 | <jammcq> my oldest has her masters degree in forensic molecular biology
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| 10:23 | <mistik1> wow, awesome
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| 10:24 | My little one is here with my in Ja, my oldest got marries last month
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| 10:25 | <jammcq> wow !!!
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| 10:25 | <mistik1> married even
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| 10:25 | <jammcq> crazy
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| 10:25 | <mistik1> heh
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| 10:25 | <jammcq> we're still doing our annual BTS up in Maine
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| 10:26 | <mistik1> A little difficult to make for me :)
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| 10:26 | <jammcq> yeah, prolly
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| 10:27 | <mistik1> How's Dave been doing? I heard his daughter moved back to Maine with him
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| 10:27 | <jammcq> dave at the seawall?
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| 10:27 | <mistik1> yea
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| 10:27 | <jammcq> yeah, she's helping to run the place
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| 10:28 | <mistik1> very cool man
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| 10:28 | tell him I said hi when next you meet
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| 10:28 | <jammcq> yeah, she's married and her husband helps out around the motel too, although I think he has a day job
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| 10:28 | <mistik1> I still would have loved to brinng my daughter out there
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| 10:28 | That's pretty awesome
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| 10:29 | <jammcq> I took my family there a few years ago. awesome place to have a family vacation
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| 10:29 | even the Obama's go there
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| 10:29 | <mistik1> really?
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| 10:29 | wow
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| 10:29 | <jammcq> well... I don't think they stayed at the seawall
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| 10:29 | but they were hiking all over that area
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| 10:30 | <mistik1> Its great that he has his daughter back, us dads need our daughters
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| 10:30 | I cant emagine not speaking to mine for years at a time
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| 10:30 | ok
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| 10:30 | <jammcq> i'm going out to grand rapids this afternoon to pick my #2 up and bring her home for the holiday weekend
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| 10:31 | * mistik1 wonders why he's even bothering to update kdelibs | |
| 10:32 | <mistik1> what holiday is it again?
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| 10:32 | <Kyle__> Guy fawks day?
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| 10:33 | well, Sunday.
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| 10:33 | :)
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| 10:33 | <mistik1> We have different holidays here and its one of the fastest things to forget when you change countries :)
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| 10:33 | * Kyle__ is kidding. | |
| 10:33 | <jammcq> labor day on monday
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| 10:34 | <Kyle__> Monday is labor day here in the US. But ever since watching V For Vendetta, I always remember GF day.
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| 10:34 | <mistik1> right, ok
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| 10:34 | Monday is back to school day here :)
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| 10:35 | <Kyle__> mistik1: My poor neice went back to school almost two weeks ago I think. The University I work for started this Monday.
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| 10:36 | * mistik1 has one less meal a day to cook, yay! | |
| 10:36 | <mistik1> my wife is not here so i have to cook 3 meals a day for us
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| 10:36 | its tough sometimes :)
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| 10:36 | <Kyle__> mistik1: Where is she?
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| 10:36 | <mistik1> US
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| 10:36 | * Kyle__ loves the mornings he has time to cook for his wife & daughter. | |
| 10:36 | <Kyle__> I take it then you're out in the UK?
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| 10:37 | <mistik1> Kyle__: I love them too untill its everyday for a year
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| 10:37 | Kyle__: I'm in Jamaica
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| 10:37 | <Kyle__> Hehe. Oh wow.
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| 10:38 | <mistik1> I cant believe I had no internet since May 2009
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| 10:38 | * mistik1 loving this 4g | |
| 10:38 | <mistik1> look ma no wires ;)
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| 10:40 | so how is Ltsp these days, I've not used or deployed one in years
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| 10:41 | jammcq: please consider a LTS BTS Jamaica one year :)
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| 10:41 | <jammcq> it's doing pretty well, although it's changed an aweful lot since back in the days that you and I worked on it
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| 10:41 | jamaica would be awesome
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| 10:42 | <mistik1> May - August fares are no more than busfare to Maine for most
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| 10:42 | I came in may for $129 canadian
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| 10:42 | <jammcq> wow
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| 10:43 | <mistik1> For lodging I could check my aunt
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| 10:43 | <jammcq> what's the weather like in May-August ?
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| 10:43 | <mistik1> She runs a small villa
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| 10:43 | that was one-way but not too bad
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| 10:43 | * jammcq would enjoy some of that Jamaican rum | |
| 10:43 | <mistik1> jammcq: hot
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| 10:43 | i bet
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| 10:44 | :)
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| 10:44 | <jammcq> I was in northeast brazil back in may. it was about 1000 degrees
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| 10:44 | <mistik1> hehe
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| 10:44 | yep, about the same
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| 10:45 | we have started a family event here, We go to the beach Jan 1
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| 10:45 | It will be an anualy thing for us
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| 10:46 | Its one of those things we can only do in places like JA
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| 10:47 | well time to make some breakfast
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| 10:47 | ackee & saltfish anyone
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| 13:59 | <mistik1> hey guys
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| 14:00 | jammcq: You there
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| 14:00 | <jammcq> yep
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| 14:02 | <mistik1> I need to register ltsp as a group with freenode
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| 14:03 | or rename the channel to ##ltsp
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| 14:05 | <vagrantc> hrm
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| 15:03 | <jammcq> mistik1: aren't we already registered?
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| 16:49 | <Kyle__> alkisg: You awake?
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| 16:49 | <alkisg> Yo
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| 16:49 | Still fighting with fat clients?
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| 16:49 | * alkisg is testing partimage to backup a windows partition... | |
| 16:49 | <Kyle__> I know you mentioned once about a flag that tells the fat clients to mount /home on nfs instead of sshfs... I forgot to make notes :)
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| 16:50 | <alkisg> NFS_HOME=/home
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| 16:50 | <Kyle__> alkisg: My fat clients are actually rocking now.
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| 16:50 | <alkisg> (in lts.conf)
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| 16:50 | <Kyle__> alkisg: Ok, don't go so fast, it seems pretty complicated.
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| 16:50 | ;)
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| 16:50 | <alkisg> Heh... ok, is your nfs home on the ltsp server?
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| 16:51 | <Kyle__> On one box it is, on one it's a seperate nfs server.
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| 16:51 | <alkisg> Did you export them in /etc/exports etc?
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| 16:52 | <Kyle__> Yup.
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| 16:52 | <alkisg> OK, so on box one, you just need to put NFS_HOME=/home in lts.conf, nothing else
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| 16:53 | On box two, you need to put NFS_HOME=server-ip:/home
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| 16:53 | That's about it... :)
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| 16:53 | <Kyle__> Do I need to put a line in /etc/rc.local to mount it or somefin?
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| 16:53 | Wow.
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| 16:53 | <alkisg> Nope
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| 16:53 | <Kyle__> Sweet.
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| 16:53 | * alkisg added nfs support in 10.04 because evolution and some other apps didn't work with sshfs... | |
| 16:53 | <Kyle__> alkisg: My big app (virtualbox) works, albeit slowly, with sshfs.
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| 16:54 | <alkisg> There's also NFS_HOME_OPTIONS is you need it, it goes directly in the client fstab
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| 16:54 | (I'm using NFS_HOME_OPTIONS=defaults,nolock because of some problems in lockd in 10.04)
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| 16:54 | <Kyle__> Really?
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| 16:55 | * Kyle__ hasn't ever had nfs locking problems.... | |
| 16:55 | <alkisg> For some reason lockd wasn't starting in 80% of the server boots... so I'm not using it at all to bypass the problem and also make nfs a little faster.
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| 16:56 | <Kyle__> alkisg: You know, insetad of using windows on some of your clients, full screen virtualbox works _really_ well. If you've got virtualization support in your CPU, it's probably fast enough the users won't know the difference.
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| 16:56 | Whew.
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| 16:56 | <alkisg> But I'm not really experienced with nfs, so I'm not sure if disabling it was a good thing
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| 16:56 | I didn't have any problems after months of using it, but my users never need to lock the same file anyway...
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| 16:56 | <Kyle__> alkisg: If users, and their programs, were using the same directory or files at the same time, it could be an issue.
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| 16:57 | alkisg: But in this case, each user is only using their own files, so it shouldn't matter.
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| 16:57 | <alkisg> That's what I thought... I can't think of a real use case where the students here would need to access the same file..
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| 16:58 | (for writing, that is)
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| 16:58 | Kyle__: are you using the rdp feature of virtualbox, or just normal rdesktop to a vm windows server?
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| 16:58 | <Kyle__> alkisg: Exactly. Now, if this were a business with say a shared department directory where 20 accountants were working on spreadsheets simultaniously.... then it's _really_ _really_ important.
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| 16:59 | alkisg: Actually I made some xsessions that launch a fullscreen VBoxSDL session.
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| 16:59 | <alkisg> Isn't the rdesktop screen script good enough?
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| 16:59 | (SCREEN_07=rdesktop <params>)
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| 17:00 | <Kyle__> alkisg: yea, but my client boxes have enough power to run the virtualization locally.
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| 17:00 | alkisg: My server is not powerfull.
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| 17:00 | <alkisg> Ah, sweet, yeah that's a good option for fat clients
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| 17:00 | I wonder if the same base image can be used, and each user to have a .diff (snapshot)...
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| 17:01 | <Kyle__> What makes it slick is that there is a read-only disc image for windows on each client. The session starts, and makes a snapshot if it's not there. All the changes are written to the snapshot, over NFS.
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| 17:01 | <alkisg> I've been thinking of that, good to know it's working :)
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| 17:02 | <Kyle__> alkisg: I'll tar up my scripts, or make a post about it sometime.
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| 17:02 | <alkisg> The ubuntultsp wiki would also be a nice place to put them
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| 17:04 | <Kyle__> Thanks for the NFS help! Looks like it's happy now. I've gotta run!
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| 17:04 | <alkisg> Bye!
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| 17:04 | <Kyle__> I'll make a detailed posting with a howto sometime soon.
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| 17:06 | <Karton> alkisg, you mind if I ask a nood question just to get my duck in a row?
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| 17:07 | <alkisg> Karton: erm, english is not my native language, so if you could rephrase that... :)
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| 17:07 | <Karton> a ltsp server, does it act in the same as a MS Terminal server does or is it more like having a live CD in a drive?
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| 17:08 | Been using linux for a while now but want to know this before I start on my ltsp project
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| 17:08 | <alkisg> Imagine an ms terminal server sending a windows 95 image to the clients to boot from,
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| 17:08 | and that image then running mstsc (rdesktop) to the ms terminal server
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| 17:08 | <Karton> that is exactly what I am looking for
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| 17:09 | thanks mate
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| 17:09 | <alkisg> Your clients would be working with e.g. windows 2008, but their main OS would be 95...
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| 17:09 | LTSP does the same, it sends a basic OS and then the clients connect to the server with remote x windows
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| 17:09 | <Karton> their profile would then if i have it correctly be sitting in the ltsp server right?
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| 17:09 | <alkisg> Right
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| 17:09 | <Karton> :D
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| 17:10 | <vagrantc> home dir?
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| 17:10 | <Karton> yeah, come from a MS Terminal server background
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| 17:10 | home dir to be more precise
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| 17:11 | going to use it to set up a internet cafe for a friend, meaning any software I install on the LTSP server the client would be able to run
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| 17:11 | <alkisg> Right, the clients see whatever the server has installed
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| 17:11 | <vagrantc> that's the typically setup, yes.
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| 17:12 | <alkisg> So if you install gimp, it immediately is available to all clients with no reboots/logoffs
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| 17:12 | <Karton> that saved me time on trying to out how to create a custom image lol
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| 17:13 | Alksig thank for letting me pick your brain there
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| 17:13 | <alkisg> np
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| 17:14 | <Karton> much appreciated :)
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| 17:14 | <alkisg> (tab in irc autocompletes the name so that you get it right ;)
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| 17:14 | <Karton> lol oops thanks
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| 17:14 | ciao
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| 17:14 | <alkisg> bye
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| 17:14 | <Karton> exit
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| 17:15 | <alkisg> partimage said "backup successful", let's see how the restoration goes...
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| 17:16 | <vagrantc> partimage is great. no idea how well it works on anything but linux ... :)
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| 17:18 | <alkisg> I wonder why clonezilla prefers partclone though... it seems that partimage hasn't seen to much work last year...
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| 17:20 | Anyway, till partclone is available in debian/ubuntu, partimage it is :)
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| 17:20 | * vagrantc nods | |
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| 17:26 | <alkisg> ok, time of truth... rebooting...
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| 17:28 | <alkisg_vista> sweet, not a glitch :)
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| 17:28 | Goodnight all
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| 21:34 | <jammcq> hello friends
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