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


Channel log from 8 August 2010   (all times are UTC)

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10:52
<gnoob>
Is it possible to make it impossible for users to change proxy in firefox? ltsp server got squid and dansguard :)
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11:11
<alkisg>
gnoob: Yes, you need to create a global user.js for the firefox proxy
11:18
<gnoob>
ok:) in the /usr/share/firefox/defaults/pref/user.js ?? Making a new file in no file there?
11:25
<alkisg>
No, in /usr/lib/firefox-3.6.8/defaults/pref/user.js
11:26
<gnoob>
ok, but if there is a firefox upgrade ill need to make that file again?
11:26
<alkisg>
Or, for recent firefox versions, in /etc/firefox/pref/user.js
11:26
If you have a recent firefox and you use /etc, you'll only need to make it once
11:26
<gnoob>
Ok :) Ill try that! Thanks a lot alkisg
12:19
looking for a way to reset gnome appearance, so if users screw up deleing bars and stuff, then theyll get it resetted when relogging. Whats best practice here?
12:22
<alkisg>
gconftool-2 --recursive-unset /apps/panel ==> that's for the panels, just find whatever keys you need in gconf-editor.
12:22
You can either execute that for some users, or put it in a session script so that it runs on every login (and tests if the user is in the "students" group so that it doesn't apply it to everyone etc)
12:22
Or you can take a look at the sabayon customization tool
12:25
<gnoob>
hmm interesting :) Thanks!
12:26
session script? Would that make a script that checks if user is in "student" group and then add script to rc.local? :)
12:31
<alkisg>
No, if he's in the "students" group he would just reset the panels or whatever
12:32
Have a look at /etc/xdg/autostart to see what I mean
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13:19
<gnoob>
chattr +i is ok to use on gnome files to not have problems with users damaging their own gui?
13:20
<johnny>
i wouldn't recommend it
13:20
depending on the file tho
13:23
<gnoob>
ok :)
13:37
<ananke>
doesn't gnome have some kind of kiosk functionality>
13:37
?
13:38
<johnny>
yes, sabayon
13:38
<alkisg>
ananke: gnome? or ltsp?
13:38
<ananke>
sabayon is a distro
13:38
<johnny>
no
13:38
<ananke>
alkisg: gnome.
13:38
<johnny>
it's a software for gnome
13:38
<alkisg>
gnoob: which file are you looking to protect?
13:39
<johnny>
ananke, the equivalent to the kde kiosk tool is called sabayon
13:39
<alkisg>
ananke: erm, aren't you asking in the wrong channel then? Why not in #gnome?
13:39
<ananke>
johnny: i see. gotta love projects that pick existing names: sabayon linux
13:39
<johnny>
sorry.. sabayon linux might have came later
13:39
<ananke>
alkisg: i'm not asking. it was a rhetorical question in response to gnoob's problem
13:39
<johnny>
after the sabayon gnome project
13:39
just because you never heard of the sabayon gnome project doesn't mean it came later
13:40
<alkisg>
ananke: ah, ok - I think gnoob is looking to lock down his desktop, while kiosk afaik is a browser with no desktop at all
13:40
<johnny>
altho i have no evidence for or against, just don't assume it
13:40
<ananke>
johnny: i never claimed which one came first
13:40
johnny: don't assume i've claimed otherwise
13:40
<johnny>
ok.. so you could e blaming sabayon linux.. good ;)
13:41
<ananke>
alkisg: kiosk functionality doesn't mean browser with no desktop. it means kiosk functionality: restricted/limited options, or presets
13:41* johnny agrees with ananke
13:41
<alkisg>
ananke: ok - I got mixed up with the ltsp kiosk mode, which means a browser.
13:42
<ananke>
johnny: although thankfully sabayon linux fad seems to be over
13:42
<johnny>
i think there's still room for such a thing..
13:43
i just remember reading their /etc/portage files and thinking they overdid it
13:43
not enough value added
13:44
<alkisg>
But I wouldn't call the gnome sabayon tool a kiosk - it locks down some settings, but allows the users to customize everything else...
13:47
<ananke>
again, kiosk functionality
13:48
<alkisg>
E.g. presenting a different "education" menu on primary classes than on secondary classes would be considered kiosk functionality?
13:49* alkisg then has really misunderstood the "kiosk" word...
13:51
<ananke>
alkisg: simple. your perspective is that something can be a kiosk, fully locked down, or it's not a kiosk. you're not accepting the idea that 'kiosk functionality' can be present in individual projects, and it means they provide a certain level of lock down & presets
13:52
<johnny>
ananke, english isn't his native language
13:53
alkisg, a kiosk can mean complete locked down, or just some locked down
13:53
it's pretty broad
13:53* alkisg isn't arguing here, just trying to understand - in Greece we call kiosks only pc-like machines with no keyboard that have no concept of users etc
13:54
<alkisg>
OK, understood, please go on with your conversation :)
13:55
<ananke>
alkisg: original definition of a kiosk had nothing to do with computers :)
13:55
<johnny>
alkisg, sure.. that would be a kiosk
14:18* stgraber is going to tag ldm 2.1.3 in the next 30 mins, please ping me if I shouldn't
14:20
<stgraber>
and same for ltspfs 0.7
14:23
<alkisg>
stgraber: there's a possibility that I may come to the ltsp bts, but I don't know for sure yet, is it OK if I know in a month or so?
14:41
<stgraber>
alkisg: sure
14:41
alkisg: that motel is almost empty at that time of the year anyway, so it's really easy to book a room even unannounced ;)
14:42
<johnny>
hmm.. if alkisg comes..
14:42
<alkisg>
Very nice - I hope I can come and meet you all in person finally :)
14:42
<johnny>
i think i might want to come
14:42* johnny wants to meet alkisg
14:42
<stgraber>
in my case it's going to be a bit weird because I'll be at UDS in Orlando the same week, probably flying to Bangor on Friday night so I can attend from Saturday to Monday (if we actually extended it to Monday)
14:43
<alkisg>
johnny, where will you be coming from?
14:43
(if you do come, that is)
14:44
<johnny>
probably baltimore
14:44
unless i'm in portland or chicago..
14:45* alkisg from NY...
15:01
<stgraber>
alkisg: oh, you already have a scheduled trip to the US ?
15:01
(btw, taging ltspfs and ldm now)
15:01
<alkisg>
stgraber: trying to schedule an interview at google at that time...
15:01
<johnny>
alkisg, that would be interesting
15:08
<stgraber>
alkisg: cool, let's hope it turns out well for you
15:25
<highvoltage>
alkisg: oh cool!
15:26* alkisg crosses his fingers :)
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22:16
<jdu>
hello; I am attempting a ltsp server install on ubuntu 10.04 using ltsp-server-standalone. Unfortunately, I am unable to get dhcp to work. When I first installed ltsp, everething worked fine (I successfully booted a client); Now, after adding another ethernet card so I can boot a client _and_ access the internet, it does not work. The error is "No subnet declaration for eth0"..., but any advice from the internet on that error fails t
22:18
any advice or areas I should research?
22:18
I am rather week in networking, i.e. understanding how netmasks and subnets work, to edit dhcpd.conf well.
22:32
improvement: dhcp server running. client gets to: tftp open timeout
22:43
<johnny>
for one.. you have to definitely rebuild your client image
22:43
after changing the the
22:43
jdu, really it's best to plugin a more fully featured OS to troubleshoot it
22:43
if possible
22:44
that way you don't have to rely on the poor error messages and constant restarts
22:48
<jdu>
here
22:48
yes, I remembered to do that
22:53
more fully featured OS?
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23:02
<alkisg>
jdu: post your dhcpd.conf and the output of `ifconfig -a` to pastebot
23:02
!pastebot
23:02
<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.
23:02
<alkisg>
(/etc/ltsp/dhcpd.conf)
23:07
<jdu>
alkisg: ok; will do
23:08
http://ltsp.pastebin.com/L1NeYSc8
23:09
http://ltsp.pastebin.com/AEYHMNJD
23:09
it should use eth0, I wonder at the ip chosen
23:10
<alkisg>
jdu: you shouldn't use the same subnet (192.168.0) for both nics
23:10
Are they facing different networks? I.e. connected to different switches?
23:10
<jdu>
<smiles>
23:10
alkisg: eth2 goes to switch
23:10
eth0 goes direct to thin client
23:11
<alkisg>
With a crossover cable?
23:11
<jdu>
at the mom, relying on auto sensing
23:11
which worked before
23:11
need to buy crossover cable
23:11
<alkisg>
OK if it worked before no problem there
23:12
You can have ltsp with just 1 nic, if it suits you better
23:12
<jdu>
is having the same subnet still a problem then?
23:12
<alkisg>
Yes, using the same subnet is a problem
23:12
<jdu>
through the switch/router?
23:12
<alkisg>
Yes, through your router
23:12
<jdu>
that would suit me better; I was unsure how to do it.
23:13
so perhaps I'll choose 192.168.2.0
23:13
<alkisg>
OK remove one of your nics, reboot and come to the channel again :)
23:13
<jdu>
alright; will do; thanks
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23:19
<jdu>
finally back
23:19
!pastebin
23:19
<ltspbot`>
jdu: "pastebin" :: try !pastebot
23:20
<jdu>
!pastebot
23:20
<ltspbot`>
jdu: "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.
23:20
<jdu>
new output of ifconfig http://ltsp.pastebin.com/6Uem5HYW
23:21
so one nic now, connect to router/switch
23:22
alkisg: thanks for your help, btw
23:22
<alkisg>
np
23:22
OK, now, I suppose your router has an embedded dhcp server?
23:22
<jdu>
correct
23:23
<alkisg>
You need to remove dhcp3-server and install dnsmasq
23:23
Follow the instructions here: https://help.ubuntu.com/community/UbuntuLTSP/ProxyDHCP
23:23
<jdu>
ok, in the works
23:26
alkisg: there's enough there, I should probably ask beforehand -- so I don't take too much of your time -- if there more steps after that, or if that page is comprehensive.
23:27
<alkisg>
No, if you correctly complete that page it should then work. Yeah it has a lot of reading but there are only 3-4 steps for Lucid there, the others are for previous versions.
23:27
<jdu>
ah, I see
23:28
ok, I'll go ahead with it now
23:37
pxe complains that no boot filename was recieved
23:37
looking back through dnsmasq config again
23:38
<alkisg>
Check the dhcp-range line and also run `sudo invoke-rc dnsmasq restart`
23:38
Ah, and comment the second 192.168.0.x range line there
23:40
<jdu>
currently, the first dhcp-range line is dhcp-range=10.160.31.10,proxy
23:41
which is obviously wrong
23:41
the second is already commented out
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23:41
<jdu>
or did I misunderstand?
23:42
<alkisg>
OK, then change that first line to your current ip
23:44
<jdu>
YEAAA!!!!
23:45* alkisg guesses it booted :D
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23:49
<jdu_>
alkisg: so, during the boot, connection went haywire
23:49
to router from server
23:50
<alkisg>
? the server shouldn't be affected in any way, when a client boots...
23:50
Now you linked your client to the router/switch, right?
23:50
<jdu_>
correct,
23:50
it began to boot, reached the splash screen, and then the server lost connection with the router
23:51
log shows the nic going up and down, up and down
23:51
in a loop
23:51
<alkisg>
That shouldn't be possible, for the client to disrupt the server connection
23:51
<jdu_>
so I unplugged the client inorder to reconnect
23:52
<alkisg>
OK let's verify again your wiring: 1 router which is also a switch, a server with 1 nic connected to it, and a client again connected to the router/switch. Right?
23:53
<jdu_>
yes, although i just disconnected the client from the router/switch
23:53
<alkisg>
OK. Can you pastebin the output of: dpkg -l ltsp-server-standalone dhcp3-server; cat /etc/dnsmasq.d/ltsp.conf
23:54
...and cat /var/lib/tftpboot/ltsp/i386/pxelinux.cfg/default
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23:58
<jdu>
realized I never reconnected after reconnecting the client to the router/switch
23:58
http://ltsp.pastebin.com/r2jtqzsN
23:58
^---- that's what I'm talking about
23:58
<alkisg>
(07:53:47 πμ) alkisg: OK. Can you pastebin the output of: dpkg -l ltsp-server-standalone dhcp3-server; cat /etc/dnsmasq.d/ltsp.conf
23:58
(07:54:35 πμ) alkisg: ...and cat /var/lib/tftpboot/ltsp/i386/pxelinux.cfg/default