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[00:11] [mordocai] Sorry for the repeat, but i d/c so i wasn't sure if anyone answered in my absence: Hello, I was wondering if anyone could point me to a tutorial for converting a fedora ltsp install to NBD? Also, what's the best way to lock all users of all thinclients to just firefox? Also do not want them to be able to change anything about... well... anything really.
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[05:21] [avolkovi] anyone awake here that can help me troubleshoot an ltsp boot problem?
[05:44] [alkisg] !ask
[05:44] [ltspbot] alkisg: "ask" :: Don't ask to ask a question, simply ask it, and if someone knows the answer, they'll respond. Please hang around for at least 15 minutes after asking a question, as not everybody constantly monitors the channel.
[05:45] [alkisg] avolkovi ^^^
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[05:47] [avolkovi] ok... i have several labs in rural schools, no internet... did a fresh install of edubuntu 9.10 with ltsp, try booting the think clients and they give squashfs errors if i boot more than one at a time... i can log in as a user on one that successfully boots, but as soon as i login on a second tc, the first one locks up
[05:48] [avolkovi] i don't have internet at these schools, so i can't rebuild using ltsp-build-client
[05:49] [avolkovi] other clients don't even boot.. they manage to download the image vie PXE and then hang after "....done" i'm thinking that might be a PXE error, so i'll try with gPXE disks next time i go out
[05:50] [avolkovi] server works fine, and the lab was running 7.04 with few to no problems
[05:54] [alkisg] " i can log in as a user on one that successfully boots, but as soon as i login on a second tc, the first one locks up" ==> are you logging in with the same or with a different user?
[05:54] [avolkovi] different user
[05:55] [avolkovi] it's really bizarre... what blows my mind is i can't boot several tc's at once
[05:55] [avolkovi] if i go one at a time and i wait til each makes it to the login screen before proceeding i can atleast get them to login screens
[05:55] [avolkovi] but logging in on more than one is out of the question
[05:57] [avolkovi] i thought it might've been a hard drive problem on the server... like it was sending over a corrupt image, but problem persists after clean installs on two different hdd's
[05:58] *** avolkovi needs to be afk for a bit while he teaches... pm if you have any ideas
[06:00] [alkisg] The squashfs errors in 9.10 isn't really unusual, but it works with them
[06:00] [alkisg] The "cannot login more than one" seems like a dhcp issue
[06:00] [alkisg] The "hangs if I logon to another pc" is really bizzarre :)
[06:00] [alkisg] *cannot boot more than one
[06:01] *** _UsUrPeR_ has gotten 4 personal messages since yesterday morning about "why they cannot talk in #LTSP
[06:02] [_UsUrPeR_] "
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[06:39] [avolkovi] alkisg: it's not a dhcp issue, there is nothing else on the network beside a switch and the tc's
[06:40] [alkisg] avolkovi: that doesn't really matter if it's a dhcp bug...
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[06:40] [alkisg] bbl
[06:40] [avolkovi] ok
[06:40] [avolkovi] thx
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[07:34] [grantk] good morning
[07:34] [grantk] Is anyone aware what controls the available sessions you see with ldm?
[07:35] [appiah] controls how?
[07:36] [grantk] appiah: well, I am working on ldm load balancing and whenever I give the choice of more than the server that gave my client it's ip address I lose the option for a kde session. So I only have the default and Failsafe Xterm. This leads me in a loop where I can login to ldm, black screen, back to ldm.
[07:36] [Gadi] grantk: ldminfod
[07:37] [grantk] so I wanted to try and hunt down a reason why the info was not returned
[07:37] [Gadi] try installing the ldm-server package on the app servers
[07:37] [grantk] Gadi: I have that installed on both servers, Actually use it to choose the best server
[07:38] [grantk] Gadi: You mentioned the app server. I just have two servers installed with the ltsp packages, one is not really designated as an app server
[07:38] [Gadi] do they both have ldminfod?
[07:38] [grantk] Yes
[07:38] *** Gadi believes ldminfod runs out of inetd
[07:38] [Gadi] so, check that inetd is running
[07:38] [grantk] ok
[07:39] [sbalneav] Morning all
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[07:40] [Q-FUNK] re
[07:41] [grantk] Gadi: I am not sure how to check if inetd is running via the client, I can not login of course, But I did check out the inetd.conf in the chroot and saw the calls to ldminfod as well as the calls to nbdswapd, when I boot with just one server my nbdswap spaces do start up so I would tend to assume inetd is running.
[07:42] [grantk] and it has a process on the server of course
[07:47] [grantk] I think I possibly found it in the /usr/lib/ltsp/screen.d/ldm file, I am going to assume at the moment my get_hosts script is not returning the proper server list. I will try hardcoding that and see if ldm is able to loop through the servers returned and get the proper info.
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[08:03] [grantk] semi-success! I was able to log into the server I attempted to have my get_hosts script return when I just hardcoded the entries into the get hosts_script. I had to go with ip's not with a name, even though I defined the nameservers and searchdomain in the lts.conf(no big deal there)
[08:04] [grantk] So one thing I have noticed is that in a bash shell I can run my get_hosts script and the get_hosts script from the ltspManual and get the proper output. But the ltspManual script has errors when it is ran on my ltsp clients. I wonder if this is due to a different shell?
[08:06] [Gadi] what are the errors? (also, I noticed in one of your posts, you have multiple IPs in DNS_SERVER - that does not work in any packaged version of LTSP
[08:06] [Gadi] I just added support for that last week
[08:06] [Gadi] try with only one IP
[08:07] [grantk] ahh, ok that might get me back. Let me look at the errors again, my memory tends to be horrible at times!
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[08:12] [grantk] Gadi: Forward host lookup failed: Hostname lookup failure
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[08:21] [Gadi] grantk: how is that a shell error?
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[08:25] [grantk] no, that is not
[08:25] [grantk] the shell error I am wondering about is why the scripts when ran from the server return the proper information
[08:26] [grantk] but when I rely on the ltsp client to run it nothing is returned that I know of, that is the only reason I can think of that if I hardcode a server list to return it works like one would expect.
[08:27] [grantk] http://pastebin.com/d397c1640
[08:29] [Gadi] your TMP_LIST looks a bit weird
[08:29] [Gadi] oh, I see what you are doing
[08:30] *** Gadi wonders if "echo -e" is a bashism
[08:30] [Gadi] romm@bart:~$ echo -e "blah\nblah"
[08:30] [Gadi] blah
[08:30] Last message repeated 1 time(s).
[08:30] [Gadi] romm@bart:~$ sh
[08:30] [Gadi] $ echo -e "blah\nblah"
[08:31] [Gadi] -e blah
[08:31] [Gadi] blah
[08:31] [Gadi] $
[08:31] [Gadi] indeed it is
[08:31] [Gadi] take out the -e
[08:31] [grantk] ok
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[08:32] [grantk] that may leave me with some newline chars in the list though.
[08:35] [grantk] gadi: Still leads back to the same issue as before.
[08:36] [Gadi] make it: RETURN_LIST=$(echo $TMP_LIST | sort -r | cut -d_ -f2) ; echo $RETURN_LIST|tr '\n' ' '
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[08:43] [grantk] Gadi: on that second line are those all single quotes?
[08:44] [Gadi] after the tr?
[08:44] [grantk] yes
[08:44] [Gadi] yes
[08:44] [Gadi] that translates \n to ' '
[08:44] [grantk] cool, having trouble on my end telling if there were any backticks in there
[08:44] [alkisg] Doesn't `echo $RETURN_LIST` already strip all newlines? (if used with a "normal" $IFS)?
[08:44] [Gadi] alkisg: not the way this is coded
[08:44] [alkisg] Ah, ok
[08:44] [Gadi] (I think)
[08:45] [alkisg] I thought echo $x with IFS=' \t\n' consolidated any spacing...
[08:45] [alkisg] (as opposed to echo "$x")
[08:45] *** Gadi thinks ltsp-devs need to write a book on shell :)
[08:45] [alkisg] :D
[08:46] [Gadi] I don't think anyone puts dash through its paces as much as we do
[08:46] [alkisg] Right, I've been comparing ltsp to what I see in /usr/bin/*, and you guys are doing an excellent job...
[08:46] [alkisg] The only thing I disagree is the 4-spaces guideline :)
[08:47] [alkisg] This way we lose the shell feature that strips tabs...
[08:49] [alkisg] Errr, <<-
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[09:20] [grantk] sorry, got called away. When I try to use those modifications I get one server returned out of the two.
[09:20] [Gadi] pastebot again?
[09:20] [grantk] it returns: 10.0.0.32\n98 so I get the server with the lowest ranking plus newline plus the ranking of the best server.
[09:20] [grantk] sure
[09:21] [grantk] http://pastebin.com/d2fbde373
[09:25] [alkisg] Urgh, bash... :P
[09:25] [alkisg] let? wth is let? :D
[09:27] [grantk] alkisg: I am not too clear on it, looked it up this morning. http://ss64.com/bash/let.html
[09:28] [Gadi] http://pastebin.com/m1f23b150
[09:28] [Gadi] try that
[09:29] [alkisg] echo $TMP_LIST ==> that would output everything in a single line
[09:30] [alkisg] So sort afterwards doesn't make any sense
[09:30] [alkisg] Maybe you should use quotes...
[09:30] [grantk] yeah, that is where I was trying to use echo -e to get my newline
[09:30] [alkisg] echo "$TMP_LIST" would be better...
[09:30] [grantk] gadi: still get the output 10.0.0.32\n98
[09:34] [grantk] so the chroot environment is what actually executes the get_hosts script if I understand everything.
[09:34] [grantk] I can use the echo -e in the chroot and it produces the desired results.
[09:36] [alkisg] grantk: can you provide some sample input?
[09:36] [grantk] sure
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[09:38] [grantk] http://pastebin.com/d6ef88384
[09:38] [grantk] I included my original script and the modified script you made with the sample input of 10.0.0.32 and 10.0.0.46
[09:39] *** alkisg meant the ldminfod output, sorry...
[09:40] [grantk] ohh
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[09:42] [grantk] http://pastebin.com/d19cf75e0
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[09:44] [dro] good morning
[09:45] [dro] here is an interesting question to start the day off
[09:45] [dro] using a USB sound card with LTSP
[09:46] [alkisg] grantk: and the point is just to keep the one with the biggest rank? Then you don't need to keep them all.. and if inside the loop would do it better.
[09:46] [alkisg] *an
[09:46] [grantk] true
[09:46] [alkisg] if [ "$rank" -gt "$max" ]; ...
[09:46] [sbalneav] dro: Still waiting for the question :)
[09:47] [dro] sbalneav: it's not working, I'm still testing with it, I just pluged it into a regular usb desktop and it did nothing......maybe it's dead
[09:47] [sbalneav] Or:
[09:48] [sbalneav] /etc/modprobe.d/alsa-base.conf
[09:48] [sbalneav] # Prevent abnormal drivers from grabbing index 0
[09:48] [sbalneav] options snd-usb-audio index=-2
[09:49] [sbalneav] so, in the chroot, you may want to comment out that line in $CHROOT/etc/modprobe.d/alsa-base.conf
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