IRC chat logs for #ltsp on irc.freenode.net (webchat)


Channel log from 18 August 2010   (all times are UTC)

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02:04
<gnunux>
hi
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03:56
<rickogden>
hi all
04:00
<alkisg>
Good morning
04:02
<rickogden>
is there a way of checking the current connections of the NBD server?
04:03
I'm getting the error: nbd0: unknown partition table
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04:10
<rickogden>
I am right in thinking that if I edit something in /opt/ltsp/i386 I just need to run ltsp-update-image -a i386 in order for the client to be altered on next boot?
04:10
<alkisg>
rickogden: that "unknown partition table" message is just a warning, ignore it
04:11
To check the connections, just run netstat -nap | grep 2000
04:11
<rickogden>
thanks
04:11
<alkisg>
About ltsp-update-image, yes, you're right
04:11
<rickogden>
alkisg: remember that sleep command you told me to put into ltsp_nbd?
04:12
<alkisg>
What about it?
04:12
<rickogden>
it doesn't seem to be working... I rebuilt the image, added that line and it just seems to ignore it
04:13
I changed it to 30, and it doesn't wait for 30 seconds
04:13
I asked about ltsp-update-image to make sure what I was doing was correct
04:14
<alkisg>
But it was working before, right?
04:14
<rickogden>
it was
04:14
which is rather strange
04:14
<alkisg>
OK. I got some work to do now, if you don't manage to solve it I'll be available in some hours...
04:15
<rickogden>
thanks alkisg
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04:53
<garymc>
Hi I just got a PoE netgear switch and plugged it into my Ltsp server
04:54
I now need to configure the switch, but I dont know how to find out its IP address on my system.
04:54
The Netgear help says type "SHOW NETWORK" but my terminal window says not installed
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05:38
<rickogden>
I think lts.conf is being ignored :(
05:57
<biomorph>
Hi all.....
05:58
I also seem to have a problem with lts.conf not reflecting in the client.
05:58
I have set up /var/lib/tftpboot/ltsp/i386/lts.conf
05:59
but if I log on to thin client getltscfg -a shows nothing.
05:59
On my test system this works fine.
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06:04
<alkisg>
Guys, paste your lts.conf and your /etc/ltsp/dhcpd.conf to pastebin
06:04
!pastebot
06:04
<ltspbot`>
alkisg: "pastebot" :: The LTSP pastebot is at http://ltsp.pastebin.com. Please paste all text longer than a line or two to the pastebot, as it helps to reduce traffic in the channel. Don't forget to paste the URL of the text here.
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06:14
<rickogden>
alkisg: what I've done is I've built a new client from scratch, and added the break=mount parameter to the kernel line in the gpxe boot file
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06:16
<biomorph>
http://ltsp.pastebin.com/ZcgJsJkw
06:17
alkisg: http://ltsp.pastebin.com/ZcgJsJkw
06:18
<garymc>
alkisg : my dhcpd.conf file http://pastebin.com/KrG9MQJ4
06:18
<alkisg>
garymc: sorry I meant the other 2 guys with the lts.conf problem
06:19
biomorph: can you explain line 24?
06:19
That's the wrong path (and it's what is used for lts.conf)
06:19
<garymc>
oh right. Anyone know how I can find out the IP addy of my netgear managed PoE switch
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06:25
<biomorph>
alkisg: No I can't - I didn't set it up. Do you mean the line ## & -
06:25
<alkisg>
        filename "ltsp/i386/boot/nbi.img";
06:26
That one usually reads filename "ltsp/i386/nbi.img";
06:26
<rickogden>
when I try to connect using the command: nbd-client ip 2000 /dev/nbd0 I just get the error immediately "Negotiation: Error: Server closed connection"
06:26
<alkisg>
biomorph: So someone put the extra "boot" there
06:27
rickogden: is the nbd server running? netstat -nap | grep 2000 on the server
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06:28
<rickogden>
alkisg: it is, it says: tcp 0 0 0.0.0.0:2000 0.0.0.0:* LISTEN 14798/inetd
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06:28
<rickogden>
if I run the the nbd-client command, for a brief period of time it has another line that says
06:29
tcp 0 0 146.87.119.32:2000 146.87.65.232:54310 TIME_WAIT -
06:29
so it is in some way connecting to it
06:30
<biomorph>
alkisg: Mmm - interesting. Also on my working system it is the full path - so it starts with /
06:30
I'll look into it.
06:31
<alkisg>
rickogden: open the logs monitor from the system menu, and try it again, and see if you get any new error messages there
06:33
<rickogden>
alkisg: ah, for some reason it's looking for ltsp/images/amd64.img (which doesn't exist because I only built the i386 client)
06:34
do I need to build an amd64 image as well if the server is 64 bit?
06:36
<AndyGraybeal>
morning guys
06:38
<alkisg>
rickogden: no, just change your /etc/inetd.conf
06:39
<rickogden>
alkisg: on the server or chroot?
06:39
<alkisg>
server
06:39
sudo gedit /etc/inetd.conf and search for amd
06:40
<biomorph>
alkisg: OK - so I'm trying to understand the filename in dhcpd.conf . Is that relative to /var/lib/tftpboot? If if I have the leading / ?
06:42
<rickogden>
alkisg: thanks, lets try this again...
06:43
<alkisg>
biomorph: yes, it's relative, and the leading / doesn't really matter. Also, that particular line in dhcpd.conf is used as the lts.conf dir.
06:43
<rickogden>
alkisg: excellent! Problem solved! Thanks
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06:55
<rauz>
how do i add new network drivers to the client image ?
06:55
<rickogden>
ok, so now it works with the break=mount option, if I remove that and rebuild the image after adding the sleep after the line "ip link set lo up" it just seems to ignore it and fails to connect to nbd server
06:58
hmm, lunch is needed, will persevere with this this after :)
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07:04
<alkisg>
rauz: for ubuntu, https://help.ubuntu.com/community/UbuntuLTSP/AddingModules
07:06
<rauz>
thx alkisg
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07:12
<biomorph>
alkisg: Thanks - removing the boot directory solved my problem - many thanks.
07:33
<_UsUrPeR_>
who monitors the ltsp-discuss list?
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07:46
<rickogden>
back, I have put the sleep in the right place haven't I? Under the line `ip link set lo up`?
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08:38
<rickogden>
hmm... I put echos before and after the sleep I put in ltsp_nbd, and they don't come up on the screen, nor does it wait long enough for a 30 second sleep
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08:52
<xcaliber>
I suppose this wouldn't be the right place to ask about making knoppix use swap space provided by nbd in a stable manner?
09:12
<alkisg>
xcaliber: here's an example usage: http://bazaar.launchpad.net/~ltsp-upstream/ltsp/ltsp-trunk/annotate/head%3A/client/initramfs/scripts/ltsp_nbd
09:14
And another one (ltsp has 2 scripts for nbd swapping) at http://bazaar.launchpad.net/~ltsp-upstream/ltsp/ltsp-trunk/annotate/head%3A/client/initscripts/ltsp-init-common
09:14
rickogden: to update ltsp_nbd, you need to chroot update-initramfs -u and ltsp-update-kernels. NOT ltsp-update-image.
09:17
<rickogden>
alkisg: thanks
09:21
alkisg: you're my hero! :D
09:22
<alkisg>
Heh, looking at the logs (link at the topic) might be easier next time ;)
09:25
<rickogden>
I did have a look through... but couldn't find anything that helped :(
09:27
<alkisg>
I meant our previous chat... but np, glad you got it working
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09:28
<rickogden>
alkisg: I actually documented it... but my documentation was wrong, I am now correcting it for future reference :)
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10:45
<jammcq>
hey friends
10:53
<jwhite>
hey jammcq. how's life these days?
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11:00
<knipwim>
johnny: yes, looks like dracut for gentoo is nearing completion
11:00
when i got some time to spare, i'll look at the overlay
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11:25
<jammcq>
hey jwhite
11:26
life is BUSY
11:26
<jwhite>
hopefully it's a good busy.
11:26
<jammcq>
yeah, mostly
11:26
just trying to keep the customers happy
11:26
you what that's like
11:27
<jwhite>
yeah :-/
11:27
<jammcq>
how's things with you?
11:27
<jwhite>
things are good here
11:27
busy as well, and the mac market keeps us hopping
11:27
heck, I won employee of the month (I have a wack pr firm :-/)
11:28
<jammcq>
cool. We're preparing for the annual LTSP hackfest. something we call 'LTSP-By-The-Sea'.
11:28
<jwhite>
say, I was talking to a guy with a 550 computer high school, thinking about ltsp, and it got me to wondering: why doesn't ltsp rule the world?
11:28
<jammcq>
it's about 50% technical, 50% social
11:28
<jwhite>
ah, cool; where is it?
11:28
<jammcq>
maybe you'd like to join us
11:29
http://sourceforge.net/apps/mediawiki/ltsp/index.php?title=Ltsp_ByTheSea2010
11:29
<jwhite>
ah, maine, right; seems like there's been good ltsp conferences there for years.
11:30
<jammcq>
we usually get 16-18 people
11:30
it's a chance to get together face-to-face and hash out some tech stuff
11:30
<jwhite>
ah, cool. wineconf is in paris this year, november 13th.
11:30
<jammcq>
and then enjoy some lobster and beer
11:30
ooooh, nice
11:30
you going?
11:30
<jwhite>
we do much the same, without the lobster
11:30
<jammcq>
heh
11:31
<jwhite>
yeah, wineconf is my main chance to let what few hairs I have left down
11:32
<jammcq>
nice. I spent a week in Paris a couple years ago. had an amazing time there
11:32
that's right, scotty and I headed there right after leaving Minneapolis
11:33
<jwhite>
yeah, that's right, that was what, 3 years ago now?
11:33
<jammcq>
ummm
11:34
i'm not even sure
11:34
I think it was 2006
11:34
<jwhite>
see, it's so long ago that neither of us remembers, and ltsp still doesn't rule the world. bugs me.
11:34
I was sure someone was going to make a killing installing meellions of ltsp desktops by now.
11:34
<jammcq>
heh
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11:57
<dberkholz>
the problem is that the same people who want to install ltsp are usually short on cash, thus ltsp. so they won't want to hire anyone unless we make it too hard to install, but we're going the other way =P
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12:14
<bix0r>
Hi, I am getting an error when running "/usr/sbin/ltspfsmounter /tmp add" through ssh: fusermount: mount failed: Operation not permitted -- How can I debug this?
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12:20
<Gadi>
bix0r: usually means the user you are running it as is not in the "fuse" group
12:20
or does not have perms to execute fusermount
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12:21* Gadi waves to jammcq
12:32
<bix0r>
Gadi: the user is actually a ldap user, but gets fuse group from groups.conf and is manually added into /etc/groups, So "id USER" shows the user in the fuse group
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13:06
<Gadi>
bix0r: sounds like your LDAP fuse group gid does not match your server's fuse group gid
13:07
bix0r: on Ubuntu, keeping server groups in LDAP is asking for trouble
13:08
bix0r: you should instead either add the ldap users to the local system group OR setuid the fusermount executable and change perms on /dev/fuse (in udev) to 666
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13:21* alkisg guesses that will change when fat clients become more widespread... central image + administration with modern hardware ==> not only for people short in cash anymore :)
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13:24
<bix0r>
Gadi: does the user have to have the fuse group as primary group ? I think I remember something regarding that ...
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13:25
<Gadi>
bix0r: nope
13:25
but the gid for your ldap group must be the same as the local system group
13:25
doing it the way you are doing it
13:27
<bix0r>
Gadi: I actually don't use the ldap groups, just changed /etc/security/group.conf, so that all users will get fuse and other groups
13:37
Gadi: I think this could work: https://help.ubuntu.com/community/UbuntuLTSP/LocaldevCommonGroupWorkaround
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13:40
<alkisg>
I think the problem where the floppies/cds were showing in all desktops when the users had the same common primary group was fixed some time ago...
13:41
So I don't think that page applies to recent ltsp versions
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14:01
<bix0r>
alkisg: yeah, you are right. It just fixes that problem
14:03
I got this working the same ldap tree on a lucid server a while ago, and I just updated it to lucid and it still works :) ... just cant get this new server to do it ... and I cant see the difference
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14:44
<Mip5>
Hey Gang - I've setup my ltsp server to use firefox as a localapp. It works fine, but I can't print to the printer directly. The printer is available for non-localapps like openoffice. Is there a way to make this work?
14:46
<Gadi>
Mip5: https://help.ubuntu.com/community/UbuntuLTSP/LocalAppsLucidPrinting
14:46
<Mip5>
Cool - I hadn't seen that.
14:46
<Gadi>
not sure if you need to install all of cups in the chroot, but it sure won't hurt
14:47
you should only need cups-client and cups-bsd
14:47
or some such
14:47
heck, you may even want to just try doing the last step first
14:47
maybe stgraber took care of the chroot for you
14:49
<Mip5>
Fantastic - I'll give this a shot. In a way, not being to print from the web is attractive to me. if the students really want something useful, they could copy it to an openoffice doc and print from there. That said, folks like to print from the web anyway, so this will help.
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16:28
<bix0r>
Found out my problem with the fuse stuff. It had nothing to do with ltsp! Is a known bug: https://bugs.launchpad.net/ubuntu/+source/sudo/+bug/423252 and I "fixed" it by installing nscd
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17:34
<Cubber>
is it possible to boot an original xbox with pxe and use it as an ltsp thin client?
17:34
<vagrantc>
probably not
17:34
<Cubber>
I have 3 of them sitting around that are hacked and running xbmc, wondering if I could boot them with a etherboot dvd or something and make it work
17:34
<vagrantc>
aren't they powerpc based?
17:35
<Cubber>
the original one not the 360
17:35* vagrantc isn't familiar
17:35
<Cubber>
it can run gentoo
17:36
<vagrantc>
well, in that case ... if you can get it to network boot, there's no reason it wouldn't work with LTSP
17:36
presuming the network card is supported
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18:38
<abeehc-_>
http://www.xbox-linux.org/wiki/Cromwell_Manual
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23:42
<hughessd>
hi, can anyone tell me why an LTSP server wouldn't allow the thinClients internet access after a reboot?
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