IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 21 February 2008 (all times are UTC)
| 00:19 | <lns> chup, I taped it - in the process of putting it on my computer, then to Youtube
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| 00:20 | it was cloudy until just after the full eclipse
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| 00:40 | <chup> cool
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| 02:35 | <rcy> I'm looking to create a very simple netboot system, preferrably something deb based. I've been using ltsp for this, but just using the local console on each of the nodes.
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| 02:36 | Is there a decent alternative to ltsp for this? Basically I'm looking at not starting gdm/ldm on the thinclients, and just a local shell
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| 02:38 | <achandrashekar_> Hello all. I have a full ltsp setup in edubuntu going with dhcp failover. However, Im having a heck of a time with the ldap authentication portion. It uses libnss which causes a lock up on boot of the klog daemon. Ive tried to check the /etc/passwd files as well as the group files for the presence of nvram and klog and they are there. I also added the soft_boot yes in ldap,conf. The system simply hangs still though
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| 02:38 | . Has anyone else run into this?
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| 02:38 | Id like to get a fix going to resove this.
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| 02:41 | <johnny> rcy, what happens if you set one of the SCREEN_01 to a shell in lts.conf ?
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| 02:41 | i forget if that lets you use the account on the remote machine
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| 02:41 | err.. excuse me.. SCREEN_O2
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| 02:41 | err SCREEN_02
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| 02:42 | <rcy> johnny: thats what ive been doing. i get a server login screen via gdm, hit Ctrl Alt F1 and log in locally
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| 02:42 | im just continuing to install such setups, and ltsp seems a bit heavyweight for this maybe
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| 02:42 | <johnny> you don't have to use gdm at all i bet
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| 02:42 | err
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| 02:42 | ldm
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| 02:42 | you can just drop directly to a shell
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| 02:42 | iirc
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| 02:42 | <rcy> yeah, thats what im doing
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| 02:43 | <johnny> i mean without ctrl alt f1
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| 02:43 | <rcy> oh, yeah, probably i can disable the display manager... though that seems to be setup differently than in a usual debian system, ie no /etc/rc2.d/gdm script to chmod -x or whatever
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| 02:44 | <johnny> yeah, i'm sure vagrantc would know
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| 02:44 | <rcy> im just curious if ltspers here know a simple way to customize ltsp at installation time, to not install any of the X stuff, for instance. or if theres a diskless linux project that is more geared to this kind of thing
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| 02:44 | <johnny> just ask him tomorrow
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| 02:44 | i wouldn't bother with any other project
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| 02:44 | i haven't heard of any that are doing the things ltsp is doing and has that momentum behind it
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| 02:45 | <rcy> really im not interested in the thin client stuff, which ltsp is all about, but just diskless debian
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| 02:45 | <achandrashekar_> cant that be set to drop to shell in lts.conf?
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| 02:45 | meaning no loading of X ?
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| 02:45 | <johnny> yes achandrashekar_ that's what i said to him :)
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| 02:45 | <achandrashekar_> heh..right :)
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| 02:45 | <johnny> rcy, you mean you dont have powerful enough servers?
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| 02:45 | i'm hoping to get time to work on the local apps spec for ltsp
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| 02:46 | <rcy> no, i am using ltsp for workstations quite nicely. but im deploying test networks, where i want to boot machines to standalone systems for rescuing/administration etc
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| 02:46 | as an alternative to popping in a rescue floppy or cdrom
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| 02:47 | i guess id be happy to find out what the right way to disable all the remote login/gdm/ldm stuff is
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| 03:01 | johnny: you mentioned some changes to ldm that you had made, i think
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| 03:01 | what have you done?
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| 03:04 | <johnny> oh, that was just integrating gadi's patch in an deb so i could put it on my server
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| 03:04 | in the python based ldm
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| 03:04 | it was my first deb creation
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| 03:06 | <rcy> ldm seems sorta wonky to me
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| 03:06 | <ogra_cmpc> rcy, somewhere on the ubuntu wiki there is a description how to create a pxe boortmenu on ubuntu
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| 03:07 | <rcy> ogra_cmpc: yeah, ive no problem creating a pxe boot menu
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| 03:07 | <ogra_cmpc> just create a second choot with ltsp-build-client and the --chroot option, add that there and modify to your needs as recue system
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| 03:07 | <rcy> theres a good example in the install/netboot directory of the debian installation iso
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| 03:08 | <ogra_cmpc> well, if all you want is a console login, remove ldm in that second chroot and set a rootpw
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| 03:09 | <rcy> ogra_cmpc: ideally id like to do that based on mac address, so i could still have the regular login on some clients
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| 03:09 | so in lts.conf, i guess
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| 03:09 | <ogra_cmpc> nope
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| 03:09 | <achandrashekar_> and you can define that in dhcp.conf right?
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| 03:09 | <ogra_cmpc> in dhcpd.conf :)
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| 03:10 | <achandrashekar_> dhcpd...that is
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| 03:10 | :)
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| 03:10 | <ogra_cmpc> well, even easier
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| 03:10 | <rcy> thats where i put some other client specific stuff, like what X resolution to use, or how many screens to setup, etc
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| 03:10 | <achandrashekar_> create a workstations block in dhcpd.conf
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| 03:10 | and then do it with the macs
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| 03:10 | <rcy> im not clear how i would get what i want by mucking with dhcp... i want to boot the same ltsp chroot on these different machines
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| 03:10 | <achandrashekar_> and you should be good
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| 03:10 | <ogra_cmpc> if you use a recent release with nbd support you just give a different filename directive and poiint that to the other nbd port
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| 03:11 | (in the pxelinux.cfg/default file)
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| 03:11 | <achandrashekar_> ahh..interesting.
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| 03:11 | <ogra_cmpc> the nbd setup uses the ports instead of the root-path directive from dhcp
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| 03:12 | <achandrashekar_> is there an advantage to that?
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| 03:12 | <rcy> im missing something. i want machine A to boot a regular ldm login. machine B to just have a single screen that i can log into locally
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| 03:12 | <ogra_cmpc> achandrashekar_, not really, its just the way it works ...
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| 03:12 | <achandrashekar_> rcy: well if you want to do that..then option A presented by ogra_cmpc is a good one.
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| 03:13 | there is a guide out there....for setting up failover dhcp that has some sample directives in it....if you search on google you can see a nice sample of that
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| 03:13 | <ogra_cmpc> rcy, right so you need a MAC based section in your dhpcd config that serves the second client from a different chroot
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| 03:13 | <achandrashekar_> look at the dhcpd.conf files..and there are good examples of it.
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| 03:14 | <rcy> i see. i was just thinking of using the same chroot, but just not offering the ldm on some machines via lts.conf
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| 03:14 | <ogra_cmpc> you *can* do everything in a single chroot but thats a security risk i wouldnt take
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| 03:14 | it means you need to enable logins on your default chroot
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| 03:14 | <rcy> which are mounted read-only though
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| 03:14 | <ogra_cmpc> right
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| 03:15 | but offer a fine platform to do harm to your net
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| 03:15 | <achandrashekar_> ;)
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| 03:15 | <rcy> true, i see
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| 03:15 | <ogra_cmpc> read only only counts for the squashfs/nfs part
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| 03:15 | you are able to install software there if you gain root rights
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| 03:16 | <achandrashekar_> newb question here...not to deviate..but what exactly does squashfs do?
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| 03:16 | <ogra_cmpc> the running system usue the ram as writeable space
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| 03:16 | achandrashekar_, it contains the compressed chroot which is provided as redonly part of sa unionfs via nbd to the clients
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| 03:17 | * ogra_cmpc needs to go to a usable keyboard | |
| 03:19 | <ogra> ahh, better
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| 03:20 | <achandrashekar_> is there a detailed read somewhere of how ltsp 5 works?
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| 03:21 | im very curious now...past the typical "do this..then this..guides"
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| 03:21 | they leave alot unanswered
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| 03:21 | <rcy> so i can just do ltsp-build-client --base /opt/ltsp-foo, and point some clients to that chroot via dhcp
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| 03:22 | <ogra> https://help.ubuntu.com/community/UbuntuLTSP/LTSPWithoutNFS not really detailed .. but describes the difference between nfs and nbd
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| 03:22 | rcy, i'D do ltsp-build-client --chroot recovery ... buut yes
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| 03:23 | <ogra> the advantage of having the recovery chroot is that you can install apps in there you wouldnt want in the regular one etc
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| 03:23 | which might be helpful for recovery :)
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| 03:24 | <rcy> ogra: yeah, im convinced... thanks for the advice
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| 03:24 | <ogra> i know vagrantc was pondering to add a bootmenu by default for quite some time ... but that never happened ...
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| 03:24 | i actually think it would make senseto have a memtest option in such a menu
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| 03:25 | <rcy> --chroot is not an option on ltsp-build-image on debian etch
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| 03:25 | i have both a gutsy nbd ltsp, and debian nfs ltsp servers
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| 03:25 | <ogra> ltsp-build-image ??
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| 03:26 | you mean ltsp-build-cilent ?
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| 03:26 | <rcy> yes.
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| 03:26 | <ogra> ah
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| 03:26 | k
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| 03:26 | i know debian-edu sus some own script called similar
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| 03:26 | s/sus/uses/
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| 03:26 | <johnny> ogra, in your hardy work with ltsp, you're not running into trouble with stale gvfs mounts?
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| 03:26 | <ogra> *sigh*
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| 03:27 | johnny, to be honest i havent tried the latest ltspfs yet
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| 03:27 | <johnny> huh? not ltspfs
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| 03:27 | gvfs
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| 03:27 | <ogra> if i do i'll fix it :)
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| 03:27 | well, ltspfs is the only thing thats touching gvfs
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| 03:28 | <rcy> ogra: edubuntu has an ltsp-update-image script, is that what you mean?
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| 03:28 | <johnny> i'm having trouble with local users atm
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| 03:28 | <ogra> rcy, no, thast for the squashfs
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| 03:28 | <johnny> not even with ltsp , but i assumed it would cause a problem there too
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| 03:28 | <ogra> debian-edu uses a special script on their CD tahst was renamed
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| 03:28 | <rcy> ah ok. thats a variant i havent seen
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| 03:29 | the confusion never stops
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| 03:29 | i have noticed how much faster the squashfs arrangement is compared to the nfs one
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| 03:29 | <ogra> johnny, nope, not that i'm aware of ... sftp works pretty odd though ... instead of having a folder on the desktop you need to keep the mount open all the time which gives you automatically two folders
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| 03:29 | but upstream knows about that and promised it would be fixed for final
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| 03:30 | so i'm not worried about that
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| 03:30 | <johnny> the problem comes after you logout
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| 03:30 | the mounts are still there in mount
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| 03:31 | for a user system, they are usually logging back on, or turnning off the computer.. so they would never notice
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| 03:31 | but on a multi user system.. it seems like it could cause a problem
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| 03:33 | <ogra> well, the mouts will be owned by the users anyway
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| 03:33 | <johnny> yes, but the thing should clean up after itself
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| 03:33 | <rcy> ogra: i cant find a --chroot option in gutsy's ltsp-build-client either
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| 03:33 | <ogra> so technically that shouldnt cause any probs
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| 03:34 | <johnny> it's causing a problem wiht sabayon too..
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| 03:34 | sabayon clobbers the home dir after pkill -u
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| 03:34 | <ogra> rcy, i'm sure its there :)
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| 03:34 | <johnny> but since the mount is still there, the clobber fails
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| 03:34 | <ogra> indeed
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| 03:34 | <johnny> so now i have a bunch of /tmp/sabayon-temp-home-blahblah
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| 03:34 | and no saved profile
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| 03:36 | <rcy> ogra: ok, yeah its there. its just not in the manpage
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| 03:37 | <ogra> oh, yeah thats outdated
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| 03:37 | --help or --extra-help has it though
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| 03:37 | <rcy> good to know
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| 03:37 | <johnny> sounds like what we all need
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| 03:37 | --extra-help
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| 03:37 | <rcy> --help-me-harder
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| 03:37 | <johnny> i'll try to remember that whenever i start a new project
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| 03:38 | and magically volunteers will appear
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| 03:38 | <ogra> well, the help text is generated automatically ...
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| 03:38 | so if you add options it will show up in there
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| 03:38 | that would mean you have a huuuge helptext at some point :)
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| 03:39 | <rcy> i have a habit of reading manpages before running commands. looks like i should also do --help
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| 03:39 | <johnny> i was making a joke ogra :)
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| 07:19 | <cliebow_> anyone using vmware in hardy?
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| 07:21 | * ogra_cmpc is vboxer | |
| 07:23 | <johnny> now if only i could get the vbox additions working there :(
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| 07:23 | still no dice
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| 07:25 | i wish i could get 1280x1024 res working
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| 07:25 | as well
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| 07:25 | is that even possible ogra_cmpc ?
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| 07:26 | <ogra_cmpc> no idea
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| 07:26 | <cliebow_> ogra_cmpc, ive patched the source of vmware..but guess i am still in dependency hell
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| 07:26 | <ogra_cmpc> i restrict my graphics ram to 2M ... that forces 800x600
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| 07:27 | <johnny> I CRASHED MY VBOX
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| 07:27 | :(
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| 07:32 | <cliebow__> /usr/lib/vmware/bin/vmware: /usr/lib/vmware/lib/libpng12.so.0/libpng12.so.0: no version information available (required by /usr/lib/libcairo.so.2)/usr/lib/vmware/bin/vmware: /usr/lib/vmware/lib/libpng12.so.0/libpng12.so.0: no version information available (required by /usr/lib/libcairo.so.2)
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| 07:32 | dang sorry to flood
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| 07:49 | <Guaraldo> Hi all...
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| 07:50 | <cliebow_> Ho!
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| 07:50 | <Guaraldo> ltspbot: seen sbalneav
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| 07:50 | <ltspbot> Guaraldo: sbalneav was last seen in #ltsp 2 weeks, 0 days, 22 hours, 51 minutes, and 13 seconds ago: <sbalneav> What are we looking at?
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| 07:50 | <Guaraldo> ltspbot: seen jammcq
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| 07:50 | <ltspbot> Guaraldo: jammcq was last seen in #ltsp 4 days, 22 hours, 3 minutes, and 16 seconds ago: <jammcq> ah, cool
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| 07:50 | <Guaraldo> Hi, cliebow_...
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| 07:52 | <cliebow_> jammcq is mia!
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| 07:53 | !seen sbalneav
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| 07:53 | <ltspbot> cliebow_: sbalneav was last seen in #ltsp 2 weeks, 0 days, 22 hours, 53 minutes, and 56 seconds ago: <sbalneav> What are we looking at?
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| 07:53 | <cliebow_> they are gonna get fired if they keep it up
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| 07:53 | <ogra_cmpc> busy guys :)
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| 07:53 | <cliebow_> yeah...
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| 07:54 | <ogra_cmpc> jammcq working towards his first billion, scottie fixing cottages :P
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| 07:55 | <johnny> billion?
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| 07:55 | <ogra_cmpc> zillion :)
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| 07:56 | i'm not sure if he passed the million already so i took the next bigger unit :p
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| 07:56 | <Blinny> I guess, by and large, the whole open source movement doesn't pay handsomely.
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| 07:56 | <cliebow_> hah!
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| 07:57 | <johnny> that depends on who you are
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| 07:57 | seems to be paying off for google :)
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| 07:58 | possibly paying off for novell and redhat
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| 07:58 | haven't yet seen a looser federation of developers growing up yet tho
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| 07:58 | <ogra_cmpc> Blinny, it fills my fridge
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| 07:58 | <cliebow_> so what is this "no version information available" error starting vmware
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| 08:03 | * Blinny hifives ogra_cmpc! | |
| 08:03 | * ogra_cmpc claps back | |
| 08:04 | <Blinny> (You were the reason I included 'by and large' in that statement ;)
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| 08:11 | <cliebow_> !G
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| 08:11 | <ltspbot> cliebow_: "G" is Gadi!!!!!!!!!!!!!!!!!!!!!!!!
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| 08:31 | <vlt> Hi all, what's the command to connect to an LTSP server (the `ssh -X` way) from a "fat client" running linux from local hd, not from PXE?
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| 08:32 | I tried `ssh -XC user@ltspserver startkde` from within X (KDE), but got "KDE seems to already running on this display". Then I tried the same from shell on VT1 but couldn't connect to an X server. Then I tried `X :2` and `ssh -XC user@ltspserver DISPLAY=client_ip:2 startkde` which idn't work either.
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| 08:32 | What am I missing here?
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| 08:35 | <Gadi> you need to be running a separate xserver first. like: Xnest -ac :1; export DISPLAY=:1; ssh -XC user@ltspserver startkde
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| 08:35 | oh, and good morning, cliebow_
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| 08:39 | <cliebow_> 8~)
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| 09:00 | <vlt> Gadi: Thank you. I was so close, only forgot "export". Still got a problem: The fonts look like crap. Does the local X need to know some special font files?
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| 09:06 | <Gadi> hmm... are they two totally different distros?
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| 09:07 | or, maybe its the compression
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| 09:07 | try dropping the -C
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| 09:13 | <vlt> Gadi: The server is Kubuntu Dapper's LTSP, the client runs Xubuntu 6.10.
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| 09:13 | <johnny> maybe xephyr would be better?
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| 09:14 | <vlt> Gadi: Why the compression?
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| 09:14 | johnny: Was that for me?
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| 09:14 | <johnny> sure
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| 09:14 | this isn't an ltsp specific question tho
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| 09:14 | general x usage..
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| 09:15 | <vlt> johnny: Yes, I must admit not knowing that much of how X really works ...
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| 10:14 | <jammcq> g'morning friends
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| 10:18 | <cliebow_> jammcq!!!!g'morning..
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| 10:28 | <warren> Oh fun.
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| 10:28 | the initscripts in ltsp-client are completely unusable
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| 10:28 | I have to write my own
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| 10:28 | however...
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| 10:29 | probably need to generalize stuff in them into a common "library" for us to share
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| 10:29 | any thoughts?
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| 10:30 | <Gadi> warren: you mean /etc/init.d/ ?
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| 10:31 | <warren> Gadi, yes
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| 10:31 | <Gadi> ltsp-client-*
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| 10:31 | which part is distro specific?
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| 10:31 | <warren> Gadi, start-stop-daemon
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| 10:31 | <Gadi> is it just paths?
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| 10:31 | <warren> and a few other things
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| 10:31 | * warren looks again | |
| 10:31 | <Gadi> doesnt that come from an lsb-base-function?
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| 10:31 | should be lsb-common
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| 10:31 | <warren> it doesn't appear to be LSB compliant either
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| 10:32 | Gadi, start-stop-daemon has always been a debian thing
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| 10:32 | according to searching google
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| 10:32 | <Gadi> huh
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| 10:32 | <warren> we've never had it
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| 10:32 | <Gadi> what do you use?
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| 10:33 | <warren> we have a "service" command from our functions script
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| 10:33 | <Gadi> hmm...
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| 10:33 | <warren> d_stop
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| 10:33 | d_start
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| 10:34 | <Gadi> there may not be a good way of generalizing
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| 10:34 | <warren> well, i'm trying to figure it out
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| 10:34 | <ogra> its unlikely
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| 10:34 | <Gadi> is there an LSB-compliant version?
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| 10:34 | <ogra> just make your own initscripts
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| 10:34 | <warren> you have stuff like start_sound()
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| 10:35 | configure_localdev()
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| 10:35 | <Gadi> thats defined there
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| 10:35 | <ogra> we should ship examples for them in the upstream source, but in the end thats the most distro specific part
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| 10:35 | <warren> we might be able to put that stuff into a shared library
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| 10:35 | <ogra> yeah
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| 10:35 | <Gadi> true
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| 10:35 | <ogra> i'm all for cutting them down
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| 10:35 | <warren> ltsp-core is almost usable
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| 10:35 | hmm
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| 10:35 | <Gadi> put then in ltsp_config
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| 10:35 | <ogra> but i ship my own initscripts in the debian dir and suspect vagrant does the same
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| 10:35 | <Gadi> it gets sourced anyway
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| 10:36 | *them
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| 10:36 | <warren> what is the difference between ltsp-core, ltsp-setup and ltsp-setup.default?
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| 10:36 | I don't understand
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| 10:36 | <Gadi> setup happens in rcS
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| 10:36 | <ogra> ubuntu is likely to diverge even more from debian here if we fully switch to upstart events instead of initscripts
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| 10:36 | <Gadi> core happens at end of rc2
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| 10:36 | <warren> our rc's are completely different
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| 10:36 | you need to explain what rcS and rc2 is
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| 10:36 | <Gadi> right
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| 10:37 | meaning
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| 10:37 | setup happens early
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| 10:37 | <ogra> warren, on debian based systems the default config for packages/services is defined in /etc/default
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| 10:37 | <Gadi> core happens at end
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| 10:37 | <ogra> ltsp-setup.default goes there and sets the defaults
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| 10:37 | (it gets sourced by the initscripts)
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| 10:38 | <warren> wouldn't a better name for ltsp-setup.default be something like ltsp-setup.conf?
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| 10:38 | ltsp-setup -> ltsp-early-setup
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| 10:38 | ltsp-core -> ltsp-late-setup
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| 10:38 | <ogra> ltsp-setup should initially do all setup of the client if possible ... that changed a bit over time, i moved some stuff over to ltsp-client since it was faster booting that way
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| 10:38 | but initially ltsp-client should only start the serices
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| 10:38 | <warren> what services?
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| 10:39 | <ogra> so -setup to setup, -client for pulse, ltspfs backends X or shell or whatever session is defined
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| 10:39 | <warren> # tmpfs/bind directions that get mounted with only directory structure
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| 10:39 | # preserved
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| 10:39 | rw_dirs="/var/lib/xkb /var/log /var/spool /var/tmp /tmp /var/lib/discover /etc/console-setup"
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| 10:39 | do you still use these bind mounts?
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| 10:39 | <ogra> vagrant does
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| 10:40 | i'm not sure how many people use nfs on ubuntu still
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| 10:40 | i suspect the majority uses the default
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| 10:40 | (nbd/squashfs)
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| 10:40 | <warren> # tmpfs directory mounted when using tmpfs/bind
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| 10:40 | tmpfs_dir=/var/lib/ltsp-client-setup
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| 10:40 | <ogra> but if you use nfs, bind mounting is needed
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| 10:40 | <warren> what is that directory used for?
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| 10:41 | <ogra> to store the original dirs iirc
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| 10:41 | <warren> Fedora has its own bind mounting and wouldn't use ethis
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| 10:41 | <ogra> its over a year ago that i had to do with that stuff, vagrant is your better bet
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| 10:41 | but it shouldnt go away since its needed for nfs
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| 10:41 | <warren> hmm
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| 10:41 | I think I'll just pull out what I need and put it into a separate library to source
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| 10:42 | and later that can be generalized with the initscripts in ltsp-trunk/client
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| 10:43 | ogra, does jetpipe belong in its own package?
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| 10:43 | and what is xrexecd?
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| 10:43 | <ogra> i think so, yes, but i wont make that change for this release in ubuntu
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| 10:43 | ask scottie
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| 10:43 | its his first step towards localapps
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| 10:44 | executing commands on the client triggered by xatoms you set on the display
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| 10:44 | <johnny> is that a viable method?
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| 10:44 | <ogra> but its far from being done and requires scottie to put some time into it
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| 10:44 | yes, thats a fine method
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| 10:45 | for the future we should attach a dbus session through that ... this way it will become possible to attach the users session to the client hal for example
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| 10:45 | that means direct HW interaction from the session :)
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| 10:46 | so setup tools for headphones would just work for example ... the usb printer you plug in triggers an automatic setup etc etc
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| 10:47 | nearly everything we need to work around at the moment due to being networked would be solved by such a functionallity
| |
| 10:48 | anyway, dinnertime ...
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| 10:52 | <Blinny> Woah. D-Bus is a really good idea.
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| 12:08 | <klausade> ot, but anybody know what the time now is in california, usa?
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| 12:09 | <cliebow_> like 10 am
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| 12:09 | <klausade> cliebow_: thanks
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| 12:10 | <cliebow_> sure!
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| 13:01 | <sonjag> Hello all. Can anyone tell me if there is a user named "flash"? I do have the flashplugin-nonfree installed. It seems to be taking a lot of CPU usage and I'm wondering if it's supposed to even be there.
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| 13:03 | <milesd> sonjag, having a user created called 'flash' isn't an indication of any software being installed
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| 13:03 | sonjag, since you called it flashplugin-nonfree I'm assuming you're on ubuntu or debian, yes?
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| 13:03 | <sonjag> milesd, I have Edubuntu 7.04.
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| 13:05 | <milesd> sonjag, try running: dpkg -s flashplugin-nonfree
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| 13:05 | <Gadi> flash is the user who runs very fast - or whom peter parker punches
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| 13:05 | <milesd> sonjag, that'll tell you if it was installed via a deb package
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| 13:06 | sonjag, whatever else might be on your disk placed there outside of the package management system (say, by firefox) isn't so easy to track down
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| 13:07 | sonjag, you also might want to check to see if you have gnash installed, that's the OSS flash player implementation
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| 13:08 | sonjag, IME, it works for just about everything but it's pretty CPU intensive. Based on your description, I just wonder about it.
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| 13:09 | <sonjag> milesd, yes I have the flashplugin-nonfree installed but not gnash. I'm not wondering if that's installed, just wondering if it uses this acct to run anything (like cupsys of cups).
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| 13:09 | <Gadi> sonjag: type: id flash
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| 13:11 | <milesd> sonjag, Is the suid bit set?
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| 13:11 | <sonjag> Gadi, Thanks. I will try that when I bring the server back up. I actually shut it down cuz it was killing my internet connection.
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| 13:11 | milesd, what is suid? How can I tell if the bit is set?
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| 13:12 | <milesd> sonjag, well, in order to run something as a different user than the one who started the thing, the loader has to change the stack's "effective user id" entry
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| 13:12 | sonjag, and in order to do that, it has to have permission
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| 13:12 | sonjag, the suid bit is in the file permissions structure for any given file in the file system
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| 13:13 | <sonjag> milesd, ah, you mean like sudo. How can I tell if the bit is set?
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| 13:13 | <milesd> sonjag, and you should be able to see which permission bits are set by doing an ls -l <filename>
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| 13:13 | * Gadi thinks Sherlock Holmes is da man - Elementary, my dear sonjag, elementary | |
| 13:13 | <milesd> sonjag, no, not sudo, that's a wrapper, this is just a permission bit like read, right and execute
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| 13:14 | <Gadi> what about left?
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| 13:14 | <sonjag> milesd, okay, but what file am I looking for permission on?
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| 13:14 | <lns> sonjag, no - the flash plugin does not have a special user
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| 13:14 | <sonjag> Gadi, you crack me up... do you drink a lot of coffee?
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| 13:14 | <Gadi> too much
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| 13:14 | <milesd> sonjag, ...oh... actually, that's a good question, I'm not sure how a browser invokes a plug-in
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| 13:15 | <sonjag> lns, okay, so can I pkill the user flash without harming my install if it reappears?
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| 13:15 | * Gadi imagines very carefully | |
| 13:15 | <Gadi> those plugins can be nasty if you dont invoke them gently
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| 13:15 | sonjag: server back up?
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| 13:16 | <lns> umm
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| 13:16 | soneyka, you have a 'flash' user ?
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| 13:17 | <sonjag> milesd, lns and Gadi the joker-- you guys are great. I'm going to go start 'er up again. Give me a few minutes... I'll let you know how it goes. Thanks for all your help... just wanted to make sure this wasn't some scary thing that I should nab before putting it back on my network (it's been a tough day ;)
| |
| 13:17 | <Gadi> GO ELLIS EAGLES!
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| 13:17 | <lns> LOL Gadi
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| 13:18 | sonjag, I've dealt with Flash in LTSP extensively so any questions you have you can ask me
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| 13:18 | <sonjag> lns, yes... and I don't know who/what it is. I was getting what looked like a DOS attack today from the LTSP server, so I shut them down, got my network back up and am now looking to get LTSP back up
| |
| 13:18 | <lns> I'm not a dev but I've probably dealt with 99% of the flash issues that are encounterable
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| 13:19 | <sonjag> lns, I'm not sure it is a flash issue... I just associated the name with the unfamiliar account I saw at the top of top.
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| 13:19 | <Gadi> sonjag: you sure you don't have any jocks named Flash?
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| 13:19 | <lns> sonjag, I'd check out the user if i were you, but it's not a flash plugin issue
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| 13:19 | <Gadi> or a Fred Lash, perhaps?
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| 13:19 | klausade has joined #ltsp | |
| 13:19 | <sonjag> Gadi, darned Fred.
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| 13:19 | <warren> How does start-stop-daemon work?
| |
| 13:19 | * warren trying to reimplement it | |
| 13:20 | <sonjag> Thanks all... I'm off to test things out. You guys are great!
| |
| 13:20 | <Gadi> !pastebot
| |
| 13:20 | <ltspbot> Gadi: "pastebot" is The LTSP pastebot is at http://pastebot.ltsp.org. Please paste all text longer than a line or two to the pastebot, as it helps to reduce traffic in the channel. A link to the content will be pasted in the channel.
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| 13:20 | <lns> sonjag, =)
| |
| 13:20 | Completely OT, but if anyone wants to see the lunar eclipse from last night I posted my video (coincidentally on youtube, which requires...FLASH!)
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| 13:20 | http://www.youtube.com/watch?v=dLmWb6fFbKg
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| 13:22 | <Gadi> warren: http://ondenon.univ-st-etienne.fr/cgi-bin/man/man2html?start-stop-daemon+8
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| 13:29 | <warren> Do the latest distros use /etc/init.d/nbd-client and /etc/init.d/nbd-server?
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| 13:38 | <Gadi> we dont in LTSP
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| 13:38 | we start it out of inetd
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| 13:39 | <warren> ok just making sure
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| 13:39 | I see those files in debian
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| 13:42 | ogra, mind if I move the current files in ltsp-trunk/client/initscripts/* to ltsp-trunk/client/initscripts/debian? I will have a Fedora directory in there for my own version.
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| 13:42 | ogra, my version will be LSB compliant and likely work fine on any RPM distro
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| 13:42 | might be in a "RPM" directory
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| 13:52 | achandrashekar has joined #ltsp | |
| 13:53 | <achandrashekar> hello. Im having some issues with libnss and ldap in ubuntu with ltsp. The issue is that it hangs on boot when reaching klog daemon. Can some one assist?
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| 13:55 | its been plaguing the authentication component needed for single logon management for ltsp. Any help is appreciated.
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| 13:55 | <Gadi> achandrashekar: you installed ldap and libnss in the chroot?
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| 13:56 | <achandrashekar> nope outside of chroot.
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| 13:56 | to have the abiltity to manage logons for all users
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| 13:56 | <Gadi> so what hangs on boot? the srver?
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| 13:56 | er, server
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| 13:56 | <achandrashekar> yes.
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| 13:56 | the server(s) both now
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| 13:56 | and there appears to be a bug report.
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| 13:56 | but no answers
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| 13:57 | <Gadi> sounds like you followed the wrong howto :)
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| 13:57 | <achandrashekar> Really???
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| 13:57 | <Gadi> what distro?
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| 13:57 | <achandrashekar> 7.10 ubuntu
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| 13:57 | edubuntu really
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| 13:57 | * Gadi has ldap auth working fine | |
| 13:57 | <Gadi> can you get to a prompt?
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| 13:58 | <achandrashekar> nope no prompt
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| 13:58 | it hangs on the login prompt with no password field
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| 13:58 | <Gadi> you may have to boot from a liveCD
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| 13:58 | <achandrashekar> next
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| 13:58 | <Gadi> and then mount the filesystem
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| 13:58 | <achandrashekar> actually I went into rescue mode
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| 13:58 | <Gadi> ah, ok
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| 13:58 | <achandrashekar> and when i remove the ldap paramater in nsswitch.conf it boots again
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| 13:59 | add the ldap parameter and 'wham' it freezes up again
| |
| 13:59 | so Ive tried these ---
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| 13:59 | <Gadi> when dealing with auth, always make sure its right before you reboot
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| 13:59 | :)
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| 13:59 | <achandrashekar> 1) switch the rc daemons for ldap to start with S10 instead of S18 ...didnt fix it
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| 13:59 | 2) check the soft_boot yes
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| 13:59 | nope
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| 14:00 | <Gadi> my slapd starts at S19
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| 14:01 | <achandrashekar> 3) right..i was told that trying to get it to start at S10, would boot before network stuff came up ...and hence its a trick
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| 14:01 | but that didnt work either
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| 14:01 | Gadi: are you using 7.10
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| 14:01 | * Gadi nods | |
| 14:01 | <achandrashekar> and it works with no issues and ldap?
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| 14:01 | <Gadi> no issues
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| 14:01 | Im happy to share any files you want
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| 14:01 | but, get urself to a prompt first
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| 14:02 | <achandrashekar> if you could send me the files perhaps via email that'd be great..
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| 14:02 | specifically what version of libnss did you use
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| 14:02 | and the ldap.conf files and nsswitch
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| 14:02 | but im not sure "where" things are broken
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| 14:03 | you can use this email if you wish
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| 14:03 | achandra@linuxpresence.com
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| 14:03 | <Gadi> ii libnss-ldap 255-1ubuntu2
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| 14:03 | ii libnss3-0d 3.11.5-3
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| 14:03 | <achandrashekar> cool i will copy these down
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| 14:04 | <Gadi> achandrashekar: its prolly easier if we work it out here
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| 14:04 | <achandrashekar> ill have to get back to you on it...i have students in the class right now... is it possible to get back to you my time about 3pm PST?
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| 14:05 | ill be able to focus and not have students ask me "what is 3+5 ??? in an algebra 2 class" at the same time :)
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| 14:06 | <Gadi> algebra 2 should at least have a variable
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| 14:06 | :)
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| 14:07 | * Gadi will be gone by then, but we can pick it up 2moro | |
| 14:07 | <Gadi> if ur around
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| 14:13 | <sgonzalez> Gadi, milesd, lns: Sonja here again (Go Ellis Eagles). After rebooting, the flash user has not reappeared at the top of top. It is running/logged in (id flash returns uid, gid and groups info on it) so I'm not sure what it is but doesn't seem out of control now. Just thought I'd follow up. Thanks for your help!
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| 14:14 | <Gadi> sgonzalez: is the server using network auth?
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| 14:14 | or is flash a local user?
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| 14:14 | <achandrashekar> Gadi: sounds good. thanks
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| 14:14 | <sgonzalez> Gadi, how can I tell?
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| 14:15 | <Gadi> if you don't know who it is, or you think it to be phony, you may want to remove it
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| 14:15 | grep flash /etc/passwd
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| 14:15 | does that return anything?
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| 14:15 | <sgonzalez> Gadi, no
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| 14:16 | Gadi, but flash is in my AD... I will disable that... I don't think I need it for anything.
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| 14:17 | <Gadi> there ya go
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| 14:17 | poor Fred
| |
| 14:17 | a moment of silence for poor Fred Lash
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| 14:17 | <rjune> ?
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| 14:17 | <sgonzalez> Gadi, I should have thought of that earlier... I wasn't thinking about AD users. Stuck on thinking it was part of Adobe's Flash. Thanks!
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| 14:18 | <Gadi> np
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| 14:18 | Sherlock Holmes
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| 14:19 | he is da man
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| 14:19 | rjune: !!
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| 14:19 | <rjune> Gadi !!!
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| 14:19 | <Gadi> rjune: whats up with you lurking on this channel under a different name?
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| 14:19 | you dodging me?
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| 14:19 | :)
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| 14:19 | <rjune> my wife uses my computer someimtes
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| 14:19 | her nick is jemstone
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| 14:19 | <Gadi> ah, so she's dodging me
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| 14:20 | shouldve known
| |
| 14:20 | <jammcq> heh, I would too
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| 14:20 | <Gadi> hey hey
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| 14:20 | look who the cat dragged in
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| 14:20 | <rjune> naa, we like Gadi
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| 14:20 | <Gadi> poor cat
| |
| 14:20 | <jammcq> no cats here
| |
| 14:20 | * Gadi names the cat Fred Lash | |
| 14:20 | <rjune> why not Frank?
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| 14:20 | <Gadi> mmm.... franks....
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| 14:20 | <jammcq> and beans?
| |
| 14:21 | <Gadi> no beans for you!
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| 14:21 | <rjune> I got no sound until I fix my speakers
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| 14:21 | I accidently cut through the volume cable. Doh!
| |
| 14:21 | <Gadi> lol
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| 14:21 | splice splice splice
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| 14:22 | u computer guys - always need a program to fix computer probs
| |
| 14:22 | :)
| |
| 14:22 | <rjune> wasn't there a hebrew holiday recently?
| |
| 14:22 | * Gadi hands rjune electrical tape | |
| 14:22 | <Gadi> hmm...
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| 14:23 | rjune: you changing the subject?
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| 14:23 | <rjune> I need more then electrical tape.
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| 14:23 | I'm breaking out the solder
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| 14:23 | naaa
| |
| 14:23 | thought I remember hearing about one
| |
| 14:23 | <Gadi> heh
| |
| 14:23 | you do know we sprinkle them out pretty evenly
| |
| 14:24 | there's always one recently
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| 14:24 | :)
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| 14:24 | <rjune> LOL
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| 14:31 | <cliebow_> Gadi:or is it Mr. Lash..have another coffee!!
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| 14:32 | <rjune> let's give him something to calm him down.
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| 14:32 | <cliebow_> Ollld Maaan Riiiiba...
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| 14:32 | <Gadi> or his arch enemy - ming the mercilous
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| 14:32 | <cliebow_> 8~)
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| 14:33 | <Gadi> ogra: I hacked in the command line thingy to lightbrowser - still too heavy for a 333MHz CPU with no cache
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| 14:43 | ciao, guys - hasta manana
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| 15:03 | cesar__ has joined #ltsp | |
| 15:04 | <cesar__> hello people
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| 15:04 | I have a question
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| 15:05 | Can I install one client ltsp over a flash memory?
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| 15:06 | now I am using a boot image for a client ltsp from floppy disk and it's working fine
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| 15:07 | but .. a floppy disk can broke easy
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| 15:08 | sorry for this question... in google I not found much information about this
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| 15:13 | <lns> cesar__, i know it can be done, but i haven't done it before so i don't know the specifics
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| 15:14 | <cesar__> thanks
| |
| 15:16 | I was thinkig if this is posible
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| 15:18 | <lns> cesar__, i would think that ltsp can boot from *any* bootable media
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| 15:18 | the easiest (and most supported), is always PXE though
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| 15:19 | <cesar__> mmm.... I have a flash memory of 512 Mb
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| 15:21 | may be this flash memory is big for this work... but I haven't other small flash memory
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| 15:22 | <sutula> cesar__: I've used Netboot with a floppy or CD. I don't see why a USB stick wouldn't work just as well.
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| 15:22 | (assuming your BIOS supports booting from USB)
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| 15:25 | <cesar__> yes.. I will run the bios setup for client ltsp and try get information about this is possible for this old machine
| |
| 15:25 | but
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| 15:26 | the flash memory I put with ide adapter
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| 15:27 | and then it is detected how a ide disc.... similar a common hard disk
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| 15:28 | <sutula> I haven't dealt with that...perhaps others have. But Netboot can boot from pretty much anything the BIOS will boot from.
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| 15:29 | <cesar__> I don't understand how can I put the current image in the floppy disk into the flash memory
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| 15:30 | <sutula> cesar__: man dd ?
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| 15:31 | <cesar__> dd if=fd0 flashmemory
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| 15:31 | something similar to this
| |
| 15:31 | * sutula nods affirmatively | |
| 15:31 | <cesar__> ok
| |
| 15:31 | thanks
| |
| 15:32 | <sutula> cesar__: I don't know how the flash does it's boot blocks though, but that's a good first try
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| 15:33 | <cesar__> yes
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| 15:40 | <lns> cesar__, flash drives have a special boot-bit i think
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| 15:41 | not sure if all support it, i'm sure you can google it
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| 15:41 | <cesar__> mm.. ok
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| 15:51 | <warren> Where are start_printer and cdpinger? can't find them in the sources
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| 16:05 | <sutula> warren: I see cdpinger in ltspfsd (in Debian) but don't see start_printer anywhere
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| 16:05 | <warren> sutula, in debian what command tells you which package a file came from?
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| 16:06 | ah, I see cdpinger
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| 16:07 | <sutula> warren: dpkg -S
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| 16:09 | http://www.debian.org/distrib/packages is also helpful if you don't (yet) have it installed
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| 16:31 | <warren> Is there any reason why it should be called /var/lib/tftp/ltsp/i386/pxelinux.cfg/default
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| 16:31 | instead of /var/lib/tftp/ltsp/pxe/pxelinux.cfg/default ?
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| 16:31 | Eric Harrison wanted to change that in fedora but he didn't explain why
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| 16:32 | <jammcq> the 'i386' is so we could also netboot other architectures
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| 16:32 | <warren> i don't understand
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| 16:32 | <jammcq> the 'pxelinux.cfg/default' file needs to be in the same directory as the boot loader
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| 16:32 | err, pxelinux.bin needs to be in the same directory as pxelinux.cfg
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| 16:33 | so if you had a pxelinux.bin for a PPC, it would have to be in a different directory, to avoid the conflict
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| 16:33 | <warren> PPC uses pxe?
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| 16:33 | we don't even have a pxelinux.bin
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| 16:33 | for i386
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| 16:33 | <jammcq> well, what'ever it's called
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| 16:33 | <warren> is that normal?
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| 16:33 | <jammcq> it's a boot loader
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| 16:33 | <warren> oh
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| 16:34 | I'm told by people here that other archs don't use a thing called PXE
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| 16:34 | it makes no sense to call the PXE directory i386 because you could have both i386 and x86_64 kernels in there.
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| 16:34 | <jammcq> but what if they did?
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| 16:35 | <warren> jammcq, they simply don't use PXE. They use other things from tftpboot
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| 16:35 | <jammcq> in LTSP-4.2, we didn't have a 'pxe' directory
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| 16:35 | we only had separate directories for the archs
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| 16:35 | <warren> /var/lib/tftp/ltsp/ can contain other archs while /var/lib/tftp/ltsp/pxe/ can contain the PXE stuff
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| 16:35 | <jammcq> so how will you separate the individual archs?
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| 16:36 | <warren> hm
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| 16:36 | I guess
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| 16:36 | <jammcq> comingling kernels and bootloaders for multiple architectures into the same directory seems messy
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| 16:36 | <warren> I guess i386 and x86_64 both in the "pxe" directory might be confusing
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| 16:36 | ok... renaming
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| 16:36 | <jammcq> could be
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| 16:36 | btw, I was up at Michigan Tech yesterday. Their computer labs are all using Fedora 7
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| 16:37 | thought you might like to hear that
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| 16:37 | <warren> horray
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| 17:46 | <lns> If anyone is interested in poking through it, I've created a wiki page detailing my specific procedures for installing LTSP on Ubuntu Gutsy: http://lns.wikidot.com/lnsclientltspserverinstallprocedures
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| 17:46 | Please feel free to steal any information and use it anywhere else
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| 17:56 | <vlt> Hello. Any idea why `ssh -X ltsp-server xeyes` works, but `ssh -X some-client xeyes` returns "Error: Can't open display:"? X11Forwarding yes
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| 17:56 | on the client
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| 17:58 | Just noticed something: When I connect to the client `echo $DISPLAY` is empty while it is "localhost:10.0" on the server. Why doesn't the client know $DISPLAY?
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| 18:27 | xbase-clients is installed on the client. What else could be missing?
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| 19:49 | <bigc2135> hello
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| 19:50 | ?
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| 19:50 | can someone help me here?
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| 20:06 | <steph_> Hi everybody. If I want to use the local soundcard on the client side, do I have to install the server daemon on the client?
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| 20:07 | <MacIver> ltsp should already have pulse running on the client
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| 20:08 | <steph_> Is it a pulse client?
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| 20:09 | Because I see ltsp-client and ltsp-server on the repository...
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| 20:19 | <MacIver> steph_: what do you mean?
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| 23:54 | <lns> steph_, what distro are you using?
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| 23:55 | For Ubuntu, you should just have to install PulseAudio on the server (whether or not it has a sound card). The clients should have a PA client.
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| 23:55 | https://wiki.ubuntu.com/PulseAudio
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