IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 25 October 2012 (all times are UTC)
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| 00:15 | <andygraybeal_> ch1KunpiZ3a
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| 00:15 | ah shit
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| 00:22 | <vagrantc> time for a password reset?
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| 00:22 | <andygraybeal_> working on it now.
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| 00:23 | * vagrantc has been there | |
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| 00:31 | <andygraybeal_> is the new ltsp running isc-dhcp-server ? or dhcp3 ?
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| 00:31 | cause i'm running 12.04, or trying to and i think it has both isc-dhcp-server and dhpc3
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| 00:32 | but 10.04 had dhcp3
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| 00:51 | <andygraybeal_> i cannot telnet to port 69 :( or i can't tftp to the eth1
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| 00:51 | 192.168.100.2 is my eth1
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| 01:00 | <JimmyNeutron> What's the differences between ltsp-server and ltsp-server-standalone?
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| 01:02 | <vagrantc> depends on what distro you're running, but the theory was ltsp-server-standalone would provide a complete server with DHCP and GUI sessions
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| 01:02 | and all the bells and whistles of an LTSP environment
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| 01:03 | ltsp-server would only provide the minimal environment necessary to build and network boot a thin client, not necessarily applications to run and so on
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| 01:04 | <JimmyNeutron> vagrantc, Thank You! I'm running Ubuntu 12.10 Server w/ no GUI interface
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| 01:05 | <vagrantc> ubuntu historically put a bit too many dependencies on ltsp-server, in my opinion...
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| 01:05 | dunno what the current status is
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| 01:05 | <JimmyNeutron> Which distro who you recommend if I was to run a server primary just for LTSP?
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| 01:06 | <vagrantc> i'm biased, as i maintain the LTSP packages in Debian :)
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| 01:06 | <JimmyNeutron> Currently, I'm doing some testing only, but haven't decide on which distro yet. I just want to make sure LTSP fulfill my goals
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| 01:07 | <vagrantc> Ubuntu and Debian seem to have the best LTSP implementations, as far as i know. opensuse has kiwi-ltsp, fedora was lagging for a while ... gentoo had some recent progress ... no idea about other distros
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| 01:08 | <JimmyNeutron> Thanks for the info! I'll read on on Debian some more and compare it to ubuntu to see if there's any pros/cons. Main factor of course will be the community and which distro people use more. That would make it easier to get support if I run into any issues. :)
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| 01:10 | <vagrantc> i suspect the ubuntu community is larger
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| 01:10 | though ubuntu and debian aren't so divergent
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| 01:11 | well, i guess with unity, it's more divergent than ever
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| 01:11 | but the LTSP bits are pretty similar.
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| 01:16 | <JimmyNeutron> Thanks vagrantc!
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| 02:29 | <andygraybeal_> i got it working
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| 02:29 | i never undertsand then boom it works.
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| 03:13 | <andygraybeal_> alright, well i feel better.. i got ltsp working in 12.04 ;)
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| 03:13 | unity works and gnome-failback both work for me.
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| 03:26 | <andygraybeal_> i like the purple ldm :)
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| 03:26 | i lik eth eorange too :)
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| 03:28 | okay sleep time for me
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| 05:46 | <ltspuser_55> Hi all,
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| 05:46 | can anybody tell me if LTSP can be implemented with Red Hat Enterprise Linux ?
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| 05:48 | <Takyoji[laptop]> It certainly should, I don't see what would limit it at all.
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| 05:48 | considering that it would be a massive showstopper for an enterprise product to not be able to do such.
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| 06:01 | <ltspuser_55> Its LTSP that needs to certify Red Hat Enterprise Linux not the other way around. I'm sure it will work as well, the question is if it will get supported.
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| 06:01 | and Thanks!
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| 07:02 | <work_alkisg> ltspuser_55: I don't think anyone is maintaining LTSP on Fedora or RHEL at the moment. It was maintained some years ago, but I don't think it is now.
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| 09:59 | <andygraybeal_> morning
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| 11:06 | <ltspuser_90> Hi all I am having problem getting thin clients on ubuntu 10.04
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| 11:06 | I need help
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| 11:43 | <jimjimovich> anyone have a good solution for allowing remote desktop access for users from home?
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| 11:43 | tried xrdp and it doesn't work :(
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| 13:52 | <Bootless> hey guys i have a question. i setted up an ltsp cluster environment with 5 appserver and i want to use a ldap server for authentication. i have 2 networks (10.88.88.X -> admin network and 10.99.99.X -> client network) the ldap authentication against the admin network works but not for the client network. hope anyone can help
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| 14:07 | <sbalneav> Morning all
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| 14:09 | Bootless: Is there routing between the two networks? As well, I'd need to see the relevant LDAP config files.
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| 14:24 | <ltspuser_67> Hi! I'm using an Ubuntu 12.04 with ltsp
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| 14:24 | in a LDM session how can I eject a pen usb?
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| 14:31 | <ltspuser_67> it's possible?
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| 14:34 | <sbalneav> ltspuser_67: You don't need to eject.
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| 14:34 | Just wait two seconds and pull the stick out.
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| 14:55 | <sbalneav> ltspuser_67: You there?
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| 15:03 | <ltspuser_67> so
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| 15:03 | it's not possible to have the eject option
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| 15:03 | right?
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| 15:03 | wait two seconds after what?
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| 15:03 | if I paste a file with 200MB
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| 15:04 | I wait until is finished and then wait 2 seconds and pull??
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| 15:04 | it's safe?
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| 15:05 | <ltspuser_67> and format? it's possible?
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| 15:22 | <sbalneav> ltspuser_67: yup, after it's finished writing, it automatically unmounts.
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| 15:23 | ltspuser_67: No, formatting isn't possible, at least on a regular thin client config. We just use ltspfs to mount the stick.
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| 15:33 | <cbeserver> hi everybody... I know you have a lot of work.. and I dont want to botter you... BUT!.. I need help... I am trying to set up an ltsp server 32 bit with 2 thin client... I use this website...http://www.thefanclub.co.za/how-to/how-create-ubuntu-1104-x64-ltsp-server-32bit-thin-clients
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| 15:34 | I know... this is for 64 bit... I though I could work
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| 15:35 | and has been working... until the point of create groups... When I tried to create a new user... say--- An unknown error accour--- and then I cant do anything else...
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| 15:35 | could you help me.. please
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| 15:39 | <sbalneav> cbeserver: I'd just use the command line tools to create a user.
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| 15:39 | <cbeserver> how?
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| 15:40 | <sbalneav> cbeserver: sudo adduser --gecos "Joe McIntosh" jmcintosh
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| 15:40 | passwd jmcintosh
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| 15:41 | sudo passwd jmcintosh, sorry
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| 15:42 | <Mip5> Hi Folks - I posted about this the other day, but couldn't stick around. I've been getting an error when I try to update the chroot. Steps I use to update chroot: http://pastebin.com/xsm1VRSe
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| 15:42 | <Bootless> sbalneav: sorry, just read it. got the solution. the home directory had wrong permissions and with autologin i couldnt see it. but thansk for you help :)
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| 15:43 | <Mip5> Here's the error I get: http://pastebin.com/uxnqifZa
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| 15:46 | I had this error once before, and wasn't able to get rid of it, so I built a new chroot (using the purge option). It worked fine, but then the error cropped up again on the next update.
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| 16:10 | <Mip5> ls
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| 16:10 | <elias_a> ls -la :P
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| 16:12 | <Mip5> yeah - gotta pay attention to which window has the focus.... ;-)
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| 16:12 | <johnsonmlw> Hi all... how do I get all home directories to mount on a fat client (as opposed to just that user's home directory)?
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| 16:13 | (ubuntu 12.04)
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| 16:15 | <johnsonmlw> I have LOCAL_APPS_EXTRAMOUNTS=/home in lts.conf but that doesn't seem to work
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| 16:19 | <cbeserver> sorry... I got this error..... http://pastebin.com/Fu14fi9q
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| 16:19 | sbalneav....
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| 16:19 | could you check please
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| 16:23 | Ok.. let me see if I understand... with the command line.... "sudo adduser --gecos." This is the comand..... then. "Joe McIntosh"... is a name, Just a name which I can change it right?.. and jmcintosh is a password???
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| 16:23 | or isnt?
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| 16:24 | <Mip5> So, I got the error again: http://pastebin.com/Y0tR4Crd - but I get no errors when I run: sudo ltsp-update-kernels
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| 16:31 | <sbalneav> cbeserver: The username is "jmcintosh"
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| 16:31 | The --gecos sets the users real name.
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| 16:31 | passwd jmcintosh changes the password for the user jmcintosh
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| 16:33 | <Mip5> Here's the content of /var/lib/tftpboot/ltsp/i386 - it looks like the kernel is there. http://pastebin.com/Buw9rYXc
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| 17:11 | <Mip5> BTW - how should I setup printing for thin clients on 12.04? I added the printer to the admin account, and it shows up there and prints, but it isn't showing up for the clients
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| 17:22 | <cbeserver> sorry sbalneav!.. I was in a class... Thanks for the info!.. I will do it again...
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| 17:23 | * vagrantc waves to sbalneav | |
| 17:25 | <cbeserver> hmmm... I used the command, and got this error ... well the same error before.... http://pastebin.com/Fu14fi9q
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| 17:28 | somebody help me please...
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| 17:28 | <vagrantc> patience, cbeserver
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| 17:28 | <alkisg> cbeserver: it's not an ltsp problem
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| 17:28 | Just remove /etc/group.lock or the equivalent file
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| 17:29 | It was some problem that was solved in a recent ubuntu update
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| 17:29 | ls -lha /etc/*lock should show you the lock file
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| 17:29 | And update your server... :)
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| 17:38 | !learn update-grub as One method to avoid update-grub errors in chroots is to override it with a symlink to /bin/true: ln -s /bin/true "$CHROOT/usr/local/sbin/update-grub"
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| 17:38 | <ltsp> The operation succeeded.
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| 17:38 | <alkisg> Mip5: ^
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| 17:40 | <sbalneav> vagrantc: Hey ho!
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| 17:40 | <cbeserver> thanks! alkisg
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| 17:40 | working..
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| 17:40 | <alkisg> Cool
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| 17:41 | <cbeserver> sorry.. I am learnin.. I put... sudo remove ls -lha /etc/*lock
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| 17:42 | and order.. not found..:(
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| 17:48 | <alkisg> cbeserver: what's the output of this?
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| 17:48 | ls -lha /etc/*lock
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| 17:48 | Without the "sudo remove" in front of it
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| 17:49 | <cbeserver> http://pastebin.com/85uekYYZ
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| 17:50 | <alkisg> cbeserver: ok, now run: sudo rm /etc/*.lock
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| 17:50 | <cbeserver> done...
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| 17:50 | deleted.
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| 17:51 | <alkisg> ok, now try adding your users
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| 17:51 | <cbeserver> ok..
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| 17:52 | YES! YES! YES! .. ups..sorry for scream....
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| 17:52 | works now!
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| 17:52 | I will update the server now...
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| 17:52 | <alkisg> If you updated before, you wouldn't have the problem :)
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| 17:53 | <cbeserver> :p heheh... sorry
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| 17:55 | hey, man your a master! cool
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| 17:56 | <Mip5> alkisg: I see your post about ln -s /bin/true "$CHROOT/usr/local/sbin/update-grub" - I don't understand it. Is there an error in reporting, and this fixes it?
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| 17:57 | <alkisg> Mip5: you put an error in pastebin above, and this command solves it
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| 17:57 | What's your chroot? /opt/ltsp/i386?
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| 17:57 | <Mip5> alkisg: yes - that's my chroot
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| 17:58 | <alkisg> OK, then run this on your server: sudo ln -s /bin/true /opt/ltsp/i386/usr/local/sbin/update-grub
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| 17:58 | <Mip5> okay - brb
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| 17:58 | <alkisg> From then on, you'll no longer have update-grub problems in your chroot
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| 17:58 | <Mip5> Sweet!
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| 18:01 | alkisg: Cool! - that did it!
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| 18:02 | <vagrantc> why do chroots have grub in them at all?
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| 18:02 | some overly silly dependency
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| 18:05 | <alkisg> ubuntu-desktop, yeah
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| 18:06 | <Mip5> Not to return to the mundane, but how should I go about printing for thin clients?
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| 18:06 | <alkisg> I think that even if you purge it, it's pulled in again on kernel updates
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| 18:07 | Printer servers should just work, no configuration needed
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| 18:07 | *Printers on the ltsp server
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| 18:08 | <Mip5> I think I ssh'd into the server, forwarded the X session, and then launched a browser and pointed it at cups to add the printer. Is there a better way?
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| 18:10 | <alkisg> Errr what?
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| 18:10 | You plug in a printer on the ltsp server
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| 18:10 | Then login to a thin client and print
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| 18:10 | No configuration necessary
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| 18:10 | No cups configuration necessary either, thin clients are server-side sessions so the printer is local to them
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| 18:14 | <Mip5> It's a network printer - so I added it to the server. I don't have vnc going (not sure how to make that happen), so I ran ssh -X me@server to connect to it, then launched firefox , and it displayed on my screen. I entered 127.0.0.1:631, and added the printer. It didn't show up as an option for the thin clients.
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| 18:15 | <alkisg> All this ssh -X stuff is because you don't have local GUI access to your server, right?
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| 18:15 | <Mip5> yes
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| 18:15 | <alkisg> !x2go
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| 18:15 | <ltsp> x2go: x2go is an NX-based suite of applications that allow logging in to a remote X server from any OS. It's much more efficient than VNC over slow network. More info: http://www.x2go.org/
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| 18:16 | <alkisg> That's for remote sessions
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| 18:16 | For local sessions, just use a thin client
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| 18:16 | (x2go works much better than VNC for LAN too)
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| 18:16 | Launch the gnome printers dialog and check that the printer is there
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| 18:16 | If not, add it.
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| 18:17 | <Mip5> really? and add the printer using the thin client? I thought I wasn't supposed to do any admin stuff on a thin client login.
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| 18:17 | <alkisg> A thin client session is a server session
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| 18:17 | Fat clients are another story...
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| 18:18 | <Mip5> Aren't fat clients the default for 12.04
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| 18:19 | <alkisg> No
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| 18:21 | <Mip5> Well, I'm pretty sure I've set these up as fat clients. When I run ps aux and grep for instances of firefox, I don't see any, but I'm sure that the students all have firefox running
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| 18:22 | I figured that was because they were fat clients, and so the server didn't see the sessions. I can see that about 20 students are logged on, so I know the lab is in use.
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| 18:22 | <alkisg> If you have these as fat clients, you shouldn't be mentioning them as thin clients above :)
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| 18:22 | To publish printers on the LTSP server on the local network so that fat clients see them, use the gnome printers dialog
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| 18:23 | In its settings option, it has a setting for [v] publish printers on local network
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| 18:23 | <Mip5> okay - thanks
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| 18:24 | Will that do it, or will I need cups installed in the chroot (I recall coming across that somewhere)
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| 18:26 | <alkisg> You already have cups in the chroots, it's installed with the ubuntu-desktop for the fat clients
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| 18:26 | <Mip5> ah! excellent. Okay - this is great. I'll head over to the school now, and get this going. Thank you *so* much.
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| 18:26 | <alkisg> np
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| 19:01 | <blakes> Having a terrible time with network printing (LTSP 5, 12.04LTS). Some jobs just disappear, some jobs print, some applications don't see network printers. CUPS was crashing on the LTSP server when users try to print to one of two HP Laserjet4050 in our lab. So I put them on a separate box, set them up together in a Class.
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| 19:02 | On some thin clients, Acrobat won't find the printer, but it shows in the system settings. On other thin clients print job appear to print but never make it to the queue. and on some thin clients, LibreOffice can't find ANY printers.
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| 19:03 | If I remove the /home/[username]/.config folder, that seems to clear up some, but not all of the printer issues. I would pull my hair out, if I had any.
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| 19:05 | * vagrantc sympathizes with the apparent lack of anything more reliable than CUPS | |
| 19:07 | <andygraybeal_> blakes, that sucks man
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| 19:07 | <blakes> Thanks! I know you feel my pain. We have tremendous loads sometimes and I know that this has something to do with the problems.
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| 19:07 | Any ideas where i could look to fix this bastard?
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| 19:08 | <andygraybeal_> in 10.04 i have had no probs.. right now i'm still testing it out on 12.04 ... i will reember to test the printers
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| 19:09 | <blakes> Me too about 10.04. Was thinking about discarding CUPS on my LTSP server, then putting up another machine with 10.04 and running it as an independent print server
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| 19:09 | Only my windows users would have a cow
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| 19:10 | Was also thinking about writing a script that blew away all .config folders in all user homes... but that's kind of brutal.
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| 19:12 | Do you think this problem could have something to do with the users desktop config? Students are eager to set their desktops with strange fonts, large background images and so on. Would any of this have a bearing on why printing is all foobar?
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| 19:13 | <andygraybeal_> i'm gonna sit back and watch and maybe on of the elders will rspond.
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| 19:14 | <blakes> Oh... I should mention that we are using the gnome-session-fallback, rather than Unity (no I didn't remove Unity, just force the session selection).
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| 19:14 | <alkisg> Right, you should mention that :)
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| 19:14 | <blakes> :-D
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| 19:14 | <alkisg> First, there's a message that cups fails while cups doesn't fail, in gnome-fallback
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| 19:15 | See last 3 comments there: https://bugs.launchpad.net/ubuntu/+source/indicator-printers/+bug/842768
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| 19:15 | You disable the wrong panel applet for all users and that's solved
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| 19:15 | For acrobat + thin clients, you're not using localapps, are you?
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| 19:15 | <blakes> No... use localapps for firefox and chrome
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| 19:17 | <alkisg> Libreoffice only checks for printers when it's launched
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| 19:17 | <blakes> that bug doesn't apply. In ALL cases the user does not get any indication of a printing error.
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| 19:17 | <alkisg> So if you add some printer later on, the whole gnome sees it, but libreoffice doesn't
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| 19:18 | <blakes> Yeah.... that sounds interesting, but not quite there. A person can print and print then all of a sudden LibreOffice will not see any networked printers... all it will see is the Generic. This can happen during a single session of LibreOffice
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| 19:19 | <andygraybeal_> do you have thin or fat clients?
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| 19:19 | * vagrantc has been using monit to auto-restart cups when cupsd dies silenty on maximal debugging mode | |
| 19:19 | <blakes> thinclients
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| 19:20 | <andygraybeal_> vagrantc, does cups die a lot ? is this in 12.04?
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| 19:20 | i'm running 10.o4 with no issue
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| 19:22 | <vagrantc> andygraybeal_: no, on debian squeeze
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| 19:22 | (which is similar generation to 10.04)
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| 19:22 | <andygraybeal_> okay, forgive me.. is .... okay thank you
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| 19:22 | <blakes> This printing does die in 12.04
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| 19:23 | Sorry for the gibberish.... helping a student with a printing problem right now.... errrh!
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| 19:23 | <andygraybeal_> i'm sorry for you blakes... i'm getting sloshed right now :)
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| 19:23 | slowly of course :)
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| 19:24 | i've been very desperate before and this channel always comes through.
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| 19:24 | <blakes> This student does not see the lab printer when printing from Acrobat, but sees others.
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| 19:24 | <andygraybeal_> i've found acrobat to really suck.. and i have been using the native linux pdf viewer on linux, the name escapes me now.
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| 19:25 | evince or something
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| 19:26 | i'm curious as to what 'evince' would do in this case if you have the patience for it.
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| 19:26 | <blakes> evince doesn't work with our student information system POS software so we HAVE to use acrobat
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| 19:26 | <andygraybeal_> okay, i'm sorry
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| 19:26 | sis's are always a bit awkward
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| 19:27 | i think the last sis i worked with was emulated 3270 stuff
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| 19:31 | <blakes> So this student was trying to print from GoogleDocs. When it pulled up the PDF, I told it to use evince... NO printers appeared, including the one physically attached to the ltsp server. WTF!
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| 19:31 | <andygraybeal_> and sudo /etc/init.d/cups restart ... does?
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| 19:32 | <blakes> I did that of course... it made no change. So I deleted the .config file in the user's home directory, still no joy.
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| 19:32 | All the while I was doing this, three other students printed successfully.
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| 19:33 | I am allowed to curse on this channel ;)
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| 19:34 | maybe I should reboot the server.... no joy can come out of that.
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| 19:36 | The only log entries look like this:
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| 19:36 | Oct 25 12:34:30 freyja kernel: [519461.313246] type=1400 audit(1351193670.339:17418): apparmor="ALLOWED" operation="unlink" parent=1 profile="/usr/sbin/cupsd" name="/run/cups/certs/0" pid=9377 comm="cupsd" requested_mask="d" denied_mask="d" fsuid=0 ouid=0
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| 19:43 | <andygraybeal_> i hope someoene helps you man, i'm sorry i can't
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| 19:43 | <blakes> glub....glub.... glub (that's me drowning)
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| 19:52 | <alkisg> stgraber, ogra_, highvoltage... any news on booting ubuntu on the zatab?
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| 20:10 | <highvoltage> hey alkisg
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| 20:10 | <alkisg> Hi highvoltage :)
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| 20:11 | <highvoltage> alkisg: ogra got it to boot and had it see all the RAM
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| 20:11 | <alkisg> With graphics and everything?
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| 20:11 | <highvoltage> alkisg: I don't think so
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| 20:11 | <alkisg> Nice start though... ogra_, any small how-to's to get there?
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| 20:12 | <highvoltage> alkisg: I doubt anyone is going to spend particular efforts on it, there are rumours on the blogosphere that ubuntu will be somewhat easy to install on the nexus 7, so maybe we'll end up just going with that as a development platform instead
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| 20:13 | <alkisg> Ah
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| 20:14 | * alkisg gets in waiting mode then, np... :) | |
| 20:17 | <vagrantc> there's always something shinier and newer
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| 21:05 | <andygraybeal_> wow nexus 7 highvoltage, i'm reading this: http://www.phonearena.com/news/Official-Ubuntu-demoed-on-a-Nexus-7_id35788
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| 21:05 | so in 13.04 it'll run on the nexus is the rumor?
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| 22:05 | <highvoltage> andygraybeal_: :)
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