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


Channel log from 1 July 2010   (all times are UTC)

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00:41
<alkisg>
!button_layout
00:41
<ltspbot>
alkisg: "button_layout" :: To revert the Ubuntu button position and ordering to their old values, run: sudo gconftool-2 --direct --config-source xml:readwrite:/etc/gconf/gconf.xml.mandatory --type string --set /apps/metacity/general/button_layout menu:minimize,maximize,close
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00:52* alkisg wonders if enabling metacity's compositing_manager setting will workaround the pixmaps problem...
01:07
<alkisg>
Nope. I also wonder if it's more stable than compiz for LTSP though...
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01:39
<csaba>
hi all
01:40
I need some assistance with ltsp
01:40
I am using ubuntu 10.04
01:41
would like to know how to change default screen res on clients?
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02:04
<dobber>
http://www.youtube.com/watch?v=FL7yD-0pqZg
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12:10
<irule>
hi
12:11
are there any docs on cost of ownership?
12:15
<alkisg>
I saw some from fraunhofer, try googling with that, if you don't find them ping me :)
12:16
google: fraunhofer thin clients tco
12:23
<irule>
thnka Ill google for it...
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13:18
<Lns>
!compiz
13:18
<ltspbot>
Lns: "compiz" :: if compiz is giving you problems, one way to disable it for all users is: sudo gconftool-2 --direct --config-source xml:readwrite:/etc/gconf/gconf.xml.mandatory --type string --set /desktop/gnome/session/required_components/windowmanager metacity
13:23
<_UsUrPeR_>
:O we have a ltspbot?
13:23
!fedora
13:23
<ltspbot>
_UsUrPeR_: Error: "fedora" is not a valid command.
13:23
<_UsUrPeR_>
bawwww
13:24
<Lns>
hahaha
13:24
!help
13:24
<ltspbot>
Lns: (help [<plugin>] [<command>]) -- This command gives a useful description of what <command> does. <plugin> is only necessary if the command is in more than one plugin.
13:24
<Lns>
!list
13:24
<ltspbot>
Lns: Admin, Alias, Channel, ChannelLogger, Config, Factoids, Google, Internet, Karma, Misc, Owner, Seen, Status, and User
13:24
<Lns>
hmm, how do you have it list all of the commands it knows?
13:27
<alkisg>
man supybot?
13:27
!seen sbalneav
13:27
<ltspbot>
alkisg: sbalneav was last seen in #ltsp 5 weeks, 1 day, 1 hour, 46 minutes, and 58 seconds ago: <sbalneav> win 1
13:28
<Lns>
alkisg: no i mean the custom ones we (you?) put in =)
13:28
factoids?
13:28
<alkisg>
Lns, yeah, I didn't know the command, so, man supybot is the way to find it out ;)
13:28* alkisg looks...
13:28
<Lns>
haha gotcha
13:28
<vagrantc>
!list
13:28
<ltspbot>
vagrantc: Admin, Alias, Channel, ChannelLogger, Config, Factoids, Google, Internet, Karma, Misc, Owner, Seen, Status, and User
13:29
<alkisg>
!list Factoids
13:29
<ltspbot>
alkisg: change, forget, info, learn, lock, random, search, unlock, and whatis
13:29
<vagrantc>
because it was really hard to figure out, i put one in there at some point
13:29
but it's been so long i forgot what it was
13:29
!factoids search values
13:29
<ltspbot>
vagrantc: No keys matched that query.
13:29
<vagrantc>
!factoids search
13:29
<ltspbot>
vagrantc: (factoids search [<channel>] [--values] [--{regexp} <value>] [<glob> ...]) -- Searches the keyspace for keys matching <glob>. If --regexp is given, it associated value is taken as a regexp and matched against the keys. If --values is given, search the value space instead of the keyspace.
13:29
<vagrantc>
!factoids search --values
13:29
<ltspbot>
vagrantc: More than 100 keys matched that query; please narrow your query.
13:30
<vagrantc>
!factoids search --values --regex debian
13:30
<ltspbot>
vagrantc: Error: 'debian' is not a valid regular expression.
13:30
<vagrantc>
!factoids search --values --regex debian*
13:30
<ltspbot>
vagrantc: Error: 'debian*' is not a valid regular expression.
13:30
<vagrantc>
bah.
13:30
<_UsUrPeR_>
:)
13:30
<alkisg>
It should have a web ui for searching its knowledge base...
13:31
It'd be handy for new users here, that don't know some pitfalls
13:31
!list alias
13:31
<ltspbot>
alkisg: !j, add, dist, lock, remove, tell, and unlock
13:37
<_UsUrPeR_>
ok, off chance something has changed recently, have we picked up a resident fedora ltsp-user recently?
13:38* _UsUrPeR_ is having some "issues" with F12
13:44
<Lns>
hehe!
13:44
_UsUrPeR_: didn't someone copy the list about taking over for warren?
13:44
<_UsUrPeR_>
:O no way
13:45* _UsUrPeR_ searches the list
13:45
<alkisg>
Yeah a guy showed up here 2 weeks ago and I told him to mail the list instead, but I didn't see warren reply...
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14:14
<Lns>
1st ammendment vs. content filtering at my local library: http://www.pressdemocrat.com/article/20100630/ARTICLES/100639947/1349?p=1&tc=pg&tc=ar
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14:44
<irule>
Lns this is a little off topic but, I sysadmin a school and kids will find porn just by goolging off, I have my squid logs and Ive seen how kids google for innocent stuff and some results are XXX
14:45
leave them alone and 1 hour later the kids are all into porn
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14:47
<Lns>
irule: I totally sympathize.. it's a tough draw on what/who is ultimately responsible for peoples' (even minors') actions
14:48
I see both sides of the argument very interesting
14:49
<alkisg>
Recently in Greece google itself was suggesting XXX words after completely innocent searches... we had to disable the google search hints for each account separately
14:50
(like, starting to write "f" in the box and see "f_ck" as a autocompletion proposal)
14:50
<irule>
Lns well, if its for the kids, block it! first ammendment? let them masturbate on their home pcs, remember how peewee herman's carreer was distroyed because he was caught jerking it at a porn movie theater
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14:52
<Lns>
irule: see that's the problem - "for the kids" can be interpreted differently depending on the parent. And it really has nothing to do with ruining a career of a kids tv show host, it has to do with american liberties vs. filtering content at a government run informational hub
14:52
<irule>
wow you are right alkisg! I just checked my google autocomplete, FUC gave me "FUC** my daughter" in spanish
14:53
<Lns>
(sorry didn't mean to start an OT conversation)
14:53
<alkisg>
Yup - that's a major problem for minors
14:53
Lns, relax, no traffic on the channel currently, we can affort to be offtopic once in a while :)
14:53
<Lns>
I suggest, since you have to enter your library card information, that the parent can choose to turn on internet filtering for their kids at the library.
14:53
alkisg: =p
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14:54
<Lns>
of course that requires hardware and/or software that supports it, and that costs money (and libraries don't really have a lot of money!)
14:54
<irule>
Lns BUT the default setting should be BLOCKED and the parent may unblock
14:54
<Lns>
irule: what about non-children patrons?
14:54
<irule>
it may be done with FOSS
14:55
<Lns>
irule: setup/support is necessary and that requires time and effort
14:55
<alkisg>
Aren't there lists for that? E.g. adblock-plus has lists for ads, but I think there are lists for inappropriate content too
14:55
<Lns>
I'm about to finish up a blog about it, i'll post it if you guys want
14:55
<irule>
squid cache
14:55
<Lns>
alkisg: sure, all sorts of content filtering has it (i like ipcop+urlfilter)
14:56
there are various blacklists available
14:56
<irule>
I use it, plus any librarian may use the free opendns, I use them and they are great
14:56
<alkisg>
Right, so why would it cost money?
14:57
<Lns>
opendns does it and uses ads
14:57
filtering content is not 100% accurate and will never be
14:57
<irule>
eather a huge company gets a multibillion contract with gov along with the usual payoffs to the usual thieves, or small companies sell FOSS consulting directly to librarians
14:57
<Lns>
they run the risk of blocking appropriate content (such as sites on breast cancer) and that violates the first amendment
14:59
<irule>
lns I just read the article, then googled breast cancer and all links work propperly, my setup is only squid with opendns, and the opendns pages with ads are blocked my squid cache, so it looks like squid is doing all the work to the staff and no ads ;)
15:00
<Lns>
lol
15:01
well that's good - but you won't be able to verify this for every single instance where appropriate content might be considered inappropriate (plus, you HAVE to use OpenDNS dns servers for this to work, and this is probably not a good method for al ot of libraries)
15:03
<alkisg>
A blacklist shouldn't cut a page for breast cancer, as it's not based on the page content
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15:07
<Lns>
alkisg: that is a good point, though blacklists will still contain domains that might host both offensive and acceptable content
15:08* Lns posts his blog at http://www.logicalnetworking.net/?p=996
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15:17
<ga12iglesias>
e ae, Galera!
15:17
To apanhando para montar um Servidor LTSP
15:18
Eu instalei o Ubuntu 10.04 pelo Alternate CD, modo Servidor LTSP
15:18
infelizmente não deu certo
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15:19
<ga12iglesias>
O boot pelo PXE só vai até o DHCP, mas não passa pelo TFTP
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15:30
<vagrantc>
ga12iglesias: mostly english in here.,
15:37
<ga12iglesias>
vagrantc, ahn ok
15:37
Im trying a boot by PXE, but i cant access TFTP
15:38
<vagrantc>
i'm not sure if ubuntu runs tftp from inetd, or as a standalone...
15:38
<ga12iglesias>
I guess is satandalone
15:38
standalone
15:39
dont have /etc/init.d/inetd
15:40
vagrantc, DHCP works, but FTFP dont
15:40
TFTP
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15:42
<Lns>
ga12iglesias: have you done the tftp configuration workaround described here? https://bugs.launchpad.net/ubuntu/+source/ltsp/+bug/573975
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15:45
<alkisg>
ga12iglesias: sudo status tftpd-hpa
15:45
<ga12iglesias>
I will read the bug..
15:45
just a minute
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17:05
<Lns>
anyone have trouble with localapps/terminal getting default gateway information from dhcp server (i've triple-checked all my dhcpd.conf settings and they're correct)..? From localapp xterm, an 'ip route add default via <ipaddy>' returns "RTNETLINK answers: No such process" ...any clues?
17:05
(using debian lenny)
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17:08
<Lns>
running updates to see it it self-remedies..weird though
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17:24
<alkisg>
Lns, you can't add routes from a localapp xterm, as it runs as the logged on user, so it doesn't have root rights
17:25
Lns, to check your dhcp server, you can run ipconfig -n eth0 ==> this tests but doesn't apply the settings it gets from dhcp
17:29
<Lns>
alkisg: aah, thx
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17:32
<Lns>
alkisg: ipconfig?
17:33
<alkisg>
/opt/ltsp/i386/usr/lib/klibc/bin/ipconfig
17:34
<Lns>
damn german keyboard layout! =p
17:34
<alkisg>
I'm not sure if that needs root rights or not - if it doesn't work, you'll need to do it from SCREEN_02=shell
17:34
<Lns>
well i'm remoted in from across the world, can't do a ctrl+alt+Fn
17:34
<alkisg>
Heh
17:34
<Lns>
my local terminal will grab it heh
17:35
"ip route" doesn't show default gw, just the local net, ala "192.168.0.0/24 dev eth0 proto kernel scope link src 192.168.0.103"
17:35
(from an xterm)
17:35
localapp even
17:36
trying to find the right key for forwardslash from a US keyboard in german layout
17:37
<alkisg>
shift + 7?
17:37* Lns still prefers these roadblocks over using microsoft software =p
17:37
<Lns>
hey! got it
17:37
thx alkisg =)
17:38* alkisg notes down for his resume that he may not even know "good morning" in German, but knows where the slash is :P
17:38
<Lns>
hahaha
17:39
well, I *do* get (from ipconfig -n eth0) "gateway: 192.168.99.1" which is correct...
17:39
oh wait.
17:39
<alkisg>
And still you can't ping 209.85.135.104 ?
17:39
(google.com, at least from my region)
17:39
<Lns>
crap. ok i think it's a classic case of too many layers to think about
17:39
<alkisg>
Heh
17:40
<Lns>
.99.0/24 is not reachable because the terminal is on a different network (.0.0/24)
17:40
<alkisg>
Yeah the gateway needs to be on the same subnet
17:41
<Lns>
user error! =p
17:42
jeez. what a crazy setup
17:42
makes me miss the mundane details =p
17:42
two-NIC host serving a 2-virtualNIC Lenny LTSP server
17:43
and trying to get nat/routing right for localapps..ugh. i should have drank coffee =p
17:43
(lenny ltsp in a virtual machine)
17:45
plus im booting a pxe client in another vm which i'm VNC'd into (through ssh tunnel) and then through vmware console
17:45
<alkisg>
Nah that's nothing
17:45
<Lns>
success! =) thx for combing through that w/me alkisg
17:46
mucho appreciado
17:46
<alkisg>
np... /me tries to remember a crazy way to get internet from a hotel that he had to do last month...
17:46
<Lns>
hehe
17:47
<alkisg>
Ah, right, we got internet from a 3G stick, then shared it through the hotel wifi without actually using the hotel internet - just as local net, then sharing that from an ubuntu laptop through a cross over cable so that the other guy could download wireless drivers for his ubuntu
17:51
<Lns>
hahaha!!
17:51
nice.
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17:51
<Lns>
hotel internet had some captive gateway thing but local access was ok eh?
17:53
<alkisg>
Yeah it was completely locked, we had to use /etc/ethers and static IPs to communicate
17:53
<Lns>
it's crazy how this spaghetti-like worldwide network stays up so valiently! Those DoD guys really know their stuff =)
17:53
haha
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17:54
<alkisg>
The craziest part was that we did it in 1-2 minutes, and then spent 10 minutes to realize what we did and why it was working :P
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17:54
<Lns>
the subconscious mind takes over when you're determined to do something!
17:55
and you sit there and are all, "wow...i have no idea what's going on"
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18:11
<Lns>
hmm, even after installing debian-backports-keyring, it complains that backports version of " ltsp-server ldm-server ltsp-server-standalone" can't be authenticated
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20:24
<ga12iglesias>
Error: failed to connect to NBD server
20:25
Im tryng boot a netbook by PXE, but i cant
20:25
Error: failed to connect to NBD server
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22:03
<map7>
If I start a ltsp-remoteapp from my ltsp-localapps for firefox file associations the remote app cannot find the file as it's in the /tmp dir on the client
22:03
Is there a nice way around this?
22:03
I've thought about changing the TMPDIR for every user to /home/<user>/tmp
22:04
is this a bad idea?
22:04
<vagrantc>
won't automatically get cleaned up periodically
22:04
other than that, not a whole lot.
22:04
some things don't respect TMPDIR
22:04
<map7>
What about in my wrapper for my pdf program I could copy it to the users home dir and then clean it up after
22:05
how do people use ltsp-remoteapps for file associations in firefox and thunderbird?
22:05
<vagrantc>
cleanup isn't usually needed a lot ... typically only happens on server reboot
22:07
<map7>
My main problem is I don't want Openoffice in my client image, but I want thunderbird and firefox in the client image. This means when a user currently clicks on a document in thunderbird they cannot open it directly
22:07
they have to save it then double click on it.
22:07
<vagrantc>
yes, i understand the problem
22:08
setting TMPDIR to something in their home dir might be the best way to handle it
22:08
i'd use ~/.tmp
22:08
you've got to make sure it's created and writeable, though
22:08
<map7>
ok cool
22:09
<vagrantc>
might want to see if libpam-tmpdir can be of help to you
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23:10
<map7>
where do i find the man page for ltsp-remoteapps ?
23:10
I don't want to install it on my server
23:11
and I don't have the 'man' command in my chroot section
23:12
ah don't worry i just found out that ltsp-remoteapps is just a script
23:15
<vagrantc>
pretty simple, really
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23:19
<map7>
vagrantc, I've tried TMPDIR and had a brief look at libpam-tmpdir as you suggested, but firefox doesn't want to play nice with these so I pushed on and coded my little wrapper script
23:19
now the --wait argument on ltsp-remoteapps doesn't actually wait for the app to finish
23:19
so I cannot clean up my temp files after I run the command
23:19
<vagrantc>
yeah, some programs (ironically) ignore TMPDIR because of potential security risks...
23:20
though it's really just trading security risks around
23:20
<map7>
yep and it's more annoying if they ignore TMPDIR
23:21
so I'm stuck with running a little cron job every night to clean up users /home/<user>/.tmp dir I think
23:25
vagrantc, here is my script http://pastie.org/1027661
23:25
bash is annoying with spaces in filenames
23:26
I'm going to do this in ruby
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23:50
<map7>
vagrantc, Simplified script http://pastie.org/1027682
23:53
<vagrantc>
i don't know if ltsp-remoteapps has the same --wait feature as ltsp-localapps ... but that would allow you to wait till it's done running to handle the cleanup in your script...
23:54
<map7>
I've tried with --wait and it doesn't bother waiting, maybe okular is at fault here
23:55
<vagrantc>
could be...
23:57
<map7>
no --wait doesn't seem to be working correctly for ltsp-remoteapps