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


Channel log from 15 August 2012   (all times are UTC)

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00:17
<rjune>
ogra_, you about?
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09:07
<rickogden>
hi all, I'm using LTSP-PNP with a server which authenticates against LDAP, since adding the LDAP authentication it's unable to update the image as it attempts to go through all 40,000 users on the LDAP, is there any way round this?
09:08
I've tried altering the getent passwd and getent group in the /usr/share/ltsp/cleanup.d/ to cat /etc/passwd and /etc/group respectively, but it still errors
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09:18
<alkisg>
rickogden: just remove the cleanup.d scripts that try to delete users/groups
09:19
<rickogden>
ah ok, is it not necessary?
09:19
<alkisg>
For large scale setups with very customized servers, it's recommented to use a "template" client for ltsp-pnp
09:19
No, they're not necessary
09:20
<rickogden>
it's not overly customised, it just has an external authenticator
09:20
but that seems to be building the image :)
09:20
<alkisg>
rickogden: if you are able to send patches to ignore LDAP servers when they exist, they'd be welcomed :)
09:21
<rickogden>
alkisg: the problem seemed to be that I was using an external ldap server for providing uid/gid, but the actual group was stored in /etc/group
09:22
so when I did that cat /etc/group (rather than getent group), it tried to delete the group, but as it was a primary group for users on ldap it errored
09:22
<alkisg>
It might make more sense to use `cat passwd | while read...` instead of getent, so that external authentication mechanisms are ignored
09:22
<rickogden>
yeah
09:23
is it doing anything else other than removing the line in the passwd/group files?
09:23
<alkisg>
No, the main idea is that we don't want the password hashes in /etc/shadow to be exported via nbd
09:23
<rickogden>
as it might also make sense to create do delete the line from the file rather than call groupdel and userdel
09:23
ah
09:24
I can certainly send you the patches which I put in read just from the files rather than the command?
09:25
<alkisg>
Sure, file a bug report about it and attach them
09:25
!ltsp-bug
09:25
<ltsp>
alkisg: ltsp-bug: To file a bug report for upstream LTSP, go to https://bugs.launchpad.net/ltsp
09:57
<rickogden>
bug reported and patch online :)
09:59
<alkisg>
Cool :)
10:16
<cyberorg>
alkisg, hi, have you tested nbd > 3 yet? it seems to be broken
10:17
<alkisg>
cyberorg: nope, 2.9.25 here
10:18
<cyberorg>
latest in new ubuntu is 3.1/3.2, so look out
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10:18* alkisg is only using/testing LTS Ubuntu editions, to time to catch up with 6-month releases... :-/
10:18
<alkisg>
s/to/no/
10:32
<ogra_>
slacker !
10:33
<alkisg>
Hehe, got a real teaching job to attend to too :D
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12:43
<sha>
hey guys, is there any chance to preselect usernames in ldm, so it'd be only necessary to type in the password?
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13:16
<bieb>
sha: I think this is possible https://help.ubuntu.com/community/UbuntuLTSP/AutoLoginFeatures
13:18
sha: http://manpages.ubuntu.com/manpages/lucid/man5/lts.conf.5.html this is the man page for lts.conf, it will give you all the variables
13:27
<sha>
bieb: thanks, but unfortunately when i only set LDM_USERNAME, it doesn't do the trick (still being asked for username). so i guess it's only for autologin
13:30
<bieb>
you set it up under the IP address as shown?
13:30
<sha>
the users here are used to see a win2k3-login screen on their thinclient, where their username is already filled in, so they only have to type their password
13:32
bieb: i tried it some weeks ago and gave up. i'm pretty sure the config was correct, iirc when i added LDM_PASSWORD in the same section, autologin worked
13:32
<||cw>
sha: yeah rdp supports that
13:33
and oddly enough, MS's "best security practices" say to disable that feature
13:33
<sha>
haha
13:35
||cw: this would be a good point, have to google for that. for now it's somewhat difficult to explain why they'd have to type in their username in the "new and so much better system"
13:36
<bieb>
tell them better security practices
13:37
<sha>
yes, i'd like to tell that it was a vulnerability and is now fixed
13:37
<bieb>
they wont know the difference
13:39
<sha>
just wondering if it's true or a "missing feature" in ltsp... i don't see how would this affect security atm
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19:54
<mikec>
why would my thin-client on boot have a screen that says "This thin client hasn't been configured yet."? I'm using a cluster, and I think this may have something to do with why it's not using any of the app servers. The appservIP is STILL the root server IP, no matter what I do.
19:56
in the ltsp-cluster control center, I dont see what I can configure that would change the app server ip (which wouldnt make any sense anyways since i want to use the load balancer, which is the whole point)
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19:56
<mikec>
i expect the screen to look like this http://www.arkki.info/howto/Wiki/LTSP-Cluster/LTSP-ClusterControlCenter-05.png
19:57
but mine has the "This thin client hasn't been configured yet." and it also states "Application Server: <root server ip>"
19:57
otherwise it looks like that image
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20:03
<mikec>
is there an attribute that needs to be set?]
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20:33
<mikec>
ok i figured it out. i had to add the attributes
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