IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 8 May 2012 (all times are UTC)
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| 01:19 | <alkisg1> vagrantc: apt-get, ssh etc present interactive prompts for important questions (e.g. do you trust this server?). A usual parameter to run non-interactively is --yes, and also that's the purpose of the `yes` utility.
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| 01:20 | I'm thinking it would make sense to use that in ltsp-update-image for a "Your distro defaults to NFS, are you sure you want to switch to NBD?" prompt...
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| 01:20 | So to avoid the prompt, one would run ltsp-update-image --yes <other params>. Is that OK?
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| 01:21 | <vagrantc> once you decide to switch, it should stop prompting ... i'm not so fond of the --yes parameter
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| 01:23 | i don't see it documented anywhere in ssh, and it didn't do anything when prompted
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| 01:24 | <vagrantc> alkisg1: why not a commandline explicity to disable that particular behavior?
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| 01:24 | <vagrantc> ouch! :P
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| 01:26 | <alkisg> Sorry bad connection
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| 01:27 | vagrantc: apt-get --help | grep Yes
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| 01:27 | ssh <server that you haven't connected before>
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| 01:27 | rm <read only file>
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| 01:27 | etc
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| 01:28 | But if you say no, no it is, I'll use the other parameter we were saying
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| 01:28 | I was also thinking to use --yes in the ltsp-cleanup tool, as it deletes accounts etc so I'd like a confirmation there
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| 01:29 | It won't be in the path, it's a helper script in /usr/share/ltsp/ltsp-clean (part of ltsp-client-core), but still, it shouldn't delete logs, caches, accounts, regenerate keys etc without some special parameter or prompt
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| 01:30 | (of course ltsp-update-image wouldn't prompt the second time)
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| 01:30 | <vagrantc> it just seems like --yes is so ambiguous .. it could maybe the second time you run it it's prompting for something completely different
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| 01:31 | <alkisg> Indeed, but I guess the developers that used it thought it would be too much to have a parameter for each question, and I thought that since others use it, it would be easier to understand
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| 01:32 | <vagrantc> we don't have lots of potentially interactive questions ... yet... ? :)
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| 01:33 | the prevention i wanted was to avoid switching to NBD just because someone ran ltsp-update-image ... but it should be easy to intentionally switch...
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| 01:34 | and there are different types of NBD images ... btrfs/ext* vs. squashfs image and who knows what other arbitrary images might surface over time.
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| 01:34 | <alkisg> Let's solve the easy case first, ltsp-cleanup, how would you prefer to run that one, to make sure users don't accidentally run it and delete their accounts?
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| 01:35 | <vagrantc> so what's ltsp-cleanup do?
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| 01:35 | when does it get run?
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| 01:35 | should it even be in $PATH?
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| 01:35 | <alkisg> ltsp-update-image runs: chroot $ROOT /usr/share/ltsp/ltsp-cleanup --yes
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| 01:36 | But what if a user finds it in /usr/share/ltsp/ltsp-cleanup and decides to run it, and loses his accounts?
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| 01:36 | <vagrantc> and what prompt is it supressing?
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| 01:36 | <alkisg> This will prepare the disk for network publishing, by deleting logs, caches and
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| 01:36 | by removing or regenerating sensitive data like user accounts and host keys.
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| 01:36 | read -p "Are you sure you want to do that [Y/n]? " yes
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| 01:37 | The first use case is to run ltsp-update-image --source=/
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| 01:38 | <vagrantc> i wouldn't even bother to prompt... force them to use the correct arguments.
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| 01:38 | <alkisg> So ltsp-update-image would make a COW/AUFS etc and run it there, chrooted
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| 01:38 | ltsp-cleanup has no arguments
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| 01:38 | It operates in its installation, /etc/passwd ...
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| 01:39 | <vagrantc> you're proposing to add --yes as an argument, with a prompt that could potentially do the same thing ... i'd say don't have it prompt at all, and output a useage message when it's called with no arguments
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| 01:39 | <alkisg> Ah, but keep the --yes argument, ok
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| 01:39 | Is "yes" a right name in that case?
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| 01:39 | *s/right/appropriate/
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| 01:40 | * vagrantc would like an argument more like --purge-lots-of-important-informmation-no-really | |
| 01:40 | <vagrantc> if you got rid of the prompt, --yes doesn't make any sense ... but i don't see a good reason to have a prompt :)
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| 01:41 | alkisg: can it detect if it's being run chrooted?
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| 01:41 | and would it ever not be run from a chroot?
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| 01:41 | <alkisg> Yup
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| 01:41 | hm....
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| 01:42 | Very rarely, e.g. if someone was cloning an installation and wants to clean it up, renegerate ssh keys etc
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| 01:42 | I.e. if we decide to implement a cloning solution with ltsp :P
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| 01:42 | <vagrantc> wow. this will be like lessdisks all over again...
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| 01:43 | <alkisg> Well we have booted clients that have access to the nbd image, so cloning is very easy from there ;)
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| 01:44 | OK, so, a good name for that --purge-lots-of-important-informmation-no-really parameter?
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| 01:48 | <alkisg> $ add-apt-repository --help | grep yes
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| 01:48 | -y, --yes Assume yes to all queries
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| 01:48 | <vagrantc> so it purges users and edits /etc/passwd* (and other files?
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| 01:48 | alkisg: but there should be no queries :P
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| 01:49 | <alkisg> I'm not convinced yet that that's true for normal scripts... for postinst scripts, sure, I totally agree
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| 01:49 | <vagrantc> well, for this particular case, it seems like a useful safeguard
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| 01:50 | <alkisg> OK, good, cause I've written the code already :P Let's move to ltsp-update-image
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| 01:50 | <vagrantc> heh
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| 01:50 | <alkisg> I only want a way to switch debian to NBD without editing configuration files, so a command line parameter
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| 01:51 | <vagrantc> which type of NBD ?
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| 01:51 | <alkisg> It's your call, is it --switch-to-nbd or something?
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| 01:51 | Why does that matter?
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| 01:51 | NBD doesn't care about the fs
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| 01:51 | <vagrantc> doesn't ltsp-update-immage generate the squashfs image?
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| 01:51 | or we figured that out with all our other parameters?
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| 01:52 | <alkisg> Yes, it might be squashfs, btrfs, ext3 etc, depending on the --type, but the point here is the switch from NFS to NBD, right?
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| 01:52 | <vagrantc> sure.
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| 01:52 | so --configure-nbd sounds good to me.
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| 01:52 | or maybe --configure-nbd-server ?
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| 01:52 | hmmm... or --enable-nbd
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| 01:53 | <alkisg> What happens with the bootprompt_options?
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| 01:53 | <vagrantc> that's a good question ... it kind of depends on how the pxe menus generation ends up
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| 01:53 | i think for starters, it should just switch to NBD with the bootprompt_opts
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| 01:54 | long-term, i'd like to to leave both enabled in pxelinux.cfg/default
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| 01:54 | <alkisg> Good plan
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| 01:54 | <vagrantc> and provide a way to select the default.
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| 01:54 | <alkisg> Now, to see how will it detect and save the default NFS vs NBD option...
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| 01:54 | Will we ship a conf file with the default bootprompt_options?
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| 01:54 | <vagrantc> (and optionally enable a menu to select between them)
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| 01:55 | that doesn't give much flexibility for the admin to choose
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| 01:55 | alkisg: i was wondering if we could define the options in a way where they could configure different entries...
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| 01:55 | BOOTPROMPT_OPTS0, BOOTPROMPT_OPTS1 ?
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| 01:56 | <alkisg> Sounds good, let me think about it...
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| 01:56 | <vagrantc> then 0 could be NBD, 1 could be NFS ... or you flip the order?
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| 01:56 | <alkisg> Very good!
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| 01:56 | <vagrantc> or do like SCREEN_DEFAULT
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| 01:56 | i.e. BOOTPROMPT_OPTS_DEFAULT=02
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| 01:56 | <alkisg> Since one may have multiple chroots, the default won't help on a per-chroot basis
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| 01:57 | <vagrantc> sure
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| 01:57 | <alkisg> Hmmm also it might be helpful to be able to define different options per chroot
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| 01:57 | I386_CMDLINE_01=xxx
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| 01:58 | <vagrantc> well, the way BOOTPROMPT_OPTS currently works, it's per-chroot ... i wasn't thinking of multiple chroots/NBD images yet.
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| 01:58 | <alkisg> I think we should split bootprompt options to 2 parts
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| 01:58 | <vagrantc> but i know you're going to fix all that :)
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| 01:58 | <alkisg> Part handled by the chroot and part by the server
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| 01:58 | E.g. the Ubuntu chroot knows about vt_handoff=7 and the Debian server knows about boot=nfs etc
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| 01:59 | Or about the nbd export name...
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| 02:02 | <vagrantc> so BOOTPROMPT_OPTS[0-9] could be on a per chroot basis ...
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| 02:02 | and the default for thatc particular chroot could also be defined on a per-chroot basis.
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| 02:02 | and server-side, it would define which chroot is the default.
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| 02:02 | <alkisg> OK that's good enough for now. The chroot doesn't know the nbd export name, but the server can fix that
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| 02:03 | <vagrantc> could even use sub-menus for each chroot, with the default being the topmost entry
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| 02:03 | this is gonna rock when we get it right :)
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| 02:03 | <alkisg> :)
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| 02:04 | And I assume we're not going to ship a conffile in ltsp-client-core, right?
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| 02:04 | <vagrantc> doesn't seem worth doing, really.
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| 02:05 | alkisg: although maybe a /usr/share/ltsp/foo.conf that gets overridded by /etc/ltsp/foo.conf
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| 02:05 | alkisg: are you sleeping these days? :P
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| 02:05 | <alkisg> OK, now for the nbd vs nfs part, how is it detected and where is it stored?
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| 02:05 | Haha I was travelling all day and now I couldn't sleep :(
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| 02:05 | <vagrantc> ah
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| 02:06 | alkisg: so if /etc/exports or /etc/exports.d/* defines an entry for /opt/ltsp ?
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| 02:06 | <alkisg> I think only ubuntu defaults to nbd, so we could decide per distro if the default is nbd or not
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| 02:06 | Is that part about /etc/exports* valid for all distros? Do they ship such a configuration file?
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| 02:06 | <vagrantc> dunno.
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| 02:07 | <alkisg> And the "saving" part can be the existence of /etc/nbd-server/config, if that too is cross-distro
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| 02:07 | <vagrantc> saving?
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| 02:07 | <alkisg> So that the --enable-nbd parameter isn't needed the second time
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| 02:08 | <vagrantc> well, they could have /etc/nbd-server/config regardless of weather they're using it for LTSP
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| 02:08 | <alkisg> Ah wait
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| 02:08 | The bootprompt_options need to be saved when one switched to nbd
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| 02:08 | <vagrantc> they're not *likely* to have /opt/ltsp configured in /etc/exports unless they want NFS
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| 02:08 | <alkisg> So they'd be saved in the chroot, right?
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| 02:09 | <vagrantc> alkisg: could be.
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| 02:09 | the server can read the chroot's files easier than the other way around
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| 02:09 | <alkisg> The problematic case is this: one has /opt/ltsp in /etc/exports, and runs ltsp-update-image --enable-nbd one time, ok
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| 02:09 | What about the second time? Will it generate NFS or NBD?
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| 02:09 | <vagrantc> should do both
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| 02:09 | <alkisg> Errr
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| 02:09 | <vagrantc> defaulting to NBD
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| 02:10 | <alkisg> Will it refuse to run if the user doesn't put --enable-nbd or not?
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| 02:10 | <vagrantc> i.e. create the squashfs?
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| 02:10 | <alkisg> Yes
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| 02:10 | <vagrantc> it would be ideal if it didn't.
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| 02:10 | <alkisg> So it need to save something somewhere
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| 02:11 | If it can't rely on /etc/nbd-server/config, then it needs to write something somewhere else
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| 02:11 | <vagrantc> alkisg: could either ... drop a file iin /etc/ltsp/ltsp-update-image.conf or maybe in /var ?
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| 02:12 | what about /etc/ltsp/ltsp-update-image.conf having an ALLOWED_METHODS variable ?
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| 02:13 | then you could have --enable-nbd add NBD to the options
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| 02:13 | or /var/cache/ltsp/ltsp-update-image/methods/{NBD,NFS,$FOO} ?
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| 02:14 | * vagrantc reads up FHS | |
| 02:14 | * alkisg lights a cigar and thinks... :D | |
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| 02:15 | <vagrantc> hmm /var/cache isn't quite right ... maybe /var/lib
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| 02:16 | yeah, /var/lib/ltsp seems more appropriate
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| 02:16 | <alkisg> Btw, the NBD or NFS parts of bootprompt_options shouldn't be included in bootprompt_options
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| 02:16 | <vagrantc> or /etc/ltsp/something
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| 02:16 | <alkisg> They should be put by ltsp-update-kernels depending on if it's called for NFS or NBD
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| 02:17 | <vagrantc> so ltsp-update-image and ltsp-update-kernels need to share the same information, yes?
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| 02:17 | <alkisg> No, ltsp-update-image will just call something like ltsp-update-kernels --nbd
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| 02:17 | <vagrantc> ah, sure.
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| 02:18 | but if someone runs ltsp-update-kernels, it should know that previously that meant just do NBD
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| 02:19 | <alkisg> ltsp-update-kernels reads the kernels from inside nbd files so it knows if it's nbd or not
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| 02:19 | <vagrantc> ok.
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| 02:19 | that's something you can easily infer.
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| 02:20 | <alkisg> ...ok so ltsp-update-image doesn't need to know anything about bootprompt_options, it just needs to know if it should abort for the novice user that doesn't know that the default is nfs
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| 02:20 | <vagrantc> so if you have an NBD squashfs image created from /opt/ltsp/i386, and the server detects NFS, it should add an entry for each in the boot menu (weather the menu is displayed or not)
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| 02:20 | <alkisg> How about checking for /etc/nbd-server/conf.d/ltsp* ?
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| 02:21 | <vagrantc> well, ltsp-update-image is what creates /etc/nbd-server/conf.d/ltsp*
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| 02:21 | <alkisg> "add an entry for each one" => yup
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| 02:21 | <vagrantc> (at least currently)
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| 02:21 | what else would create those?
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| 02:22 | <alkisg> True, so the first time that a user runs ltsp-update-image in debian, that file isn't there, and if --config-nbd isn't specified, it aborts,
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| 02:22 | while the second time, that file is there, and the --config-nbd option isn't needed anymore
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| 02:22 | <vagrantc> exactly.
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| 02:22 | that handles the default cases pretty well
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| 02:22 | <alkisg> I think I have all that I need for now, let me sum it up:
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| 02:23 | 1) ltsp-cleanup --yes
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| 02:23 | <vagrantc> :P
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| 02:23 | <alkisg> 2) ltsp-update-image checks for /opt/ltsp in /etc/exports*. If it's there,
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| 02:23 | 3) it checks for /etc/nbd-server/conf.d/ltsp*, if it's not there, it aborts
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| 02:24 | 4) If --config-nbd is specified, it doesn't abort, but creates those files
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| 02:24 | 5) If /etc/nbd-server/config doesn't exist, it creates it _and_ restarts nbd server
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| 02:24 | Sounds ok?
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| 02:25 | <vagrantc> should there be a correlary --config-nfs ?
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| 02:25 | <alkisg> In which tool?
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| 02:26 | <vagrantc> ltsp-update-image ?
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| 02:26 | <alkisg> ...I don't think one should generate an nbd image to configure nfs
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| 02:27 | It's actually ltsp-update-NBD-image...
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| 02:27 | <vagrantc> historically.
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| 02:27 | <alkisg> So, ltsp-update-image --config-nfs would just configure nfs, or would it also generate an nbd file?
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| 02:27 | <vagrantc> for debian, at least for the forseeable future, i'll be using NFS by default still...
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| 02:28 | here's the other odd use-case ...
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| 02:28 | actually not so odd ...
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| 02:28 | NFS with NBD swap
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| 02:28 | alkisg: maybe ltsp-configure-services --config-nfs --config-nbd --config-nbd-swap ?
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| 02:29 | and then ltsp-update-image calls that
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| 02:29 | <alkisg> vagrantc: I'm missing something... --config-nfs would put /opt/ltsp in /etc/exports.d, right?
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| 02:29 | Or do you mean something else?
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| 02:29 | <vagrantc> yeah, basically.
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| 02:29 | although it would need to check if exports.d was supported
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| 02:30 | (and fall back to /etc/exports)
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| 02:30 | <alkisg> I don't think it's appropriate to put that functionality in ltsp-update-image, because it doesn't do anything else nfs-related
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| 02:30 | <vagrantc> alkisg: hence ltsp-configure-services :P
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| 02:30 | <alkisg> Sure, that would make sense
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| 02:31 | But it would be a separate tool, one that ltsp-update-image would call
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| 02:31 | <vagrantc> that's what i'm thinking, to make sense of it.
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| 02:31 | say you wanted NFS support on ubuntu ...
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| 02:32 | dunno if that makes it overly complicated
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| 02:32 | <alkisg> One or more services configuration tools would make sense, for dhcp, dnsmasq, nfs, nbd...
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| 02:32 | <vagrantc> i guess i could ship /etc/nbd-server/conf.d/ltsp_swap.conf by default
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| 02:33 | (although it wouldn't be enabled unless the appropriate nbd-server configuration was enabled)
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| 02:33 | * alkisg needs to remember to exclude ltsp_swap.conf when searching for /etc/nbd-server/conf.d/ltsp* files | |
| 02:33 | <vagrantc> yup.
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| 02:33 | <alkisg> vagrantc: is nbd-server installed as a dependency of ltsp-server in debian?
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| 02:34 | <vagrantc> it's a recommends of ltsp-server, and a depends of ltsp-server-standalone
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| 02:34 | so it should usually be installed
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| 02:35 | but it's possible that it's not.
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| 02:35 | <alkisg> So we're missing an easy way for the debian user to create /etc/nbd-server/config
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| 02:36 | (just for NFS + NBD swap)
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| 02:36 | So the ltsp-update-services tool makes more sense
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| 02:37 | It'd also be reusable by postints script, e.g. ubuntu could call it on ltsp-server.postinst
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| 02:38 | And ltsp-server-dnsmasq could call it for the dnsmasq configuration, and ltsp-server-standalone for the dhcp configuration...
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| 02:38 | Parker955_Away is now known as Parker955 | |
| 02:40 | <vagrantc> editing /etc/nbd-server/config wouldn't be appropriate to run from postinst in debian
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| 02:40 | nor would editing /etc/exports
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| 02:40 | but *.d is fine.
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| 02:40 | <alkisg> Editing no, but creating yes
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| 02:40 | <vagrantc> no
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| 02:40 | <alkisg> If nbd-server/config doesn't exist, it's not appropriate to create it on postinst? And restart nbd-server?
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| 02:41 | <vagrantc> it's not ok to create or modify other package's configuration files unless they provide a standard means of doing so.
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| 02:41 | <alkisg> (e.g. in ubuntu, where we're sure we want it)
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| 02:41 | It's not an nbd-server configuration file
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| 02:41 | It's not shipped at all
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| 02:41 | <vagrantc> yes it is.
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| 02:41 | it's not an nbd-server *conffile* but it is a *configuration file*
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| 02:41 | <alkisg> But nbd-server doesn't ship it at all...
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| 02:41 | <vagrantc> doesn't matter :P
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| 02:42 | <alkisg> Isn't that the same as putting a file in a .d configuration directory?
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| 02:42 | <vagrantc> so what we really need is to get nbd-server to ship a default config that uses /etc/nbd-server/conf.d
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| 02:42 | <alkisg> (if the configuration file doesn't exist at all?)
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| 02:42 | <vagrantc> alkisg: nope.
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| 02:43 | <alkisg> (05:42:15 πμ) vagrantc: so what we really need is to get nbd-server to ship a default config that uses /etc/nbd-server/conf.d ==> true
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| 02:43 | But I don't know in my mind if a configuration file isn't there, it's the same as dropping a conf.d/file
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| 02:43 | There's no editing involved
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| 02:43 | <vagrantc> http://release.debian.org/wheezy/rc_policy.txt
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| 02:44 | section 3
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| 02:45 | <alkisg> Read it, still not getting it :)
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| 02:45 | <vagrantc> alkisg: if nbd-server reads that configuration file as part of it's init scripts or whatever, it's still configuring that service.
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| 02:45 | <alkisg> True, and dnsmasq reads /etc/dnsmasq.d/* too, and we're allowed to drop a file there
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| 02:46 | <vagrantc> because that's a widely used convention to configure packages
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| 02:46 | but creating a non-existing configuration is not something you can do from postinst
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| 02:46 | <alkisg> We're allowed to configure a service; we're not allowed to modify it's conffile and cause prompts on upgrades without external tools etc
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| 02:46 | <vagrantc> "Packages must not modify other packages' configuration files except by an agreed upon APIs (eg, a /usr/sbin/update-foo command).
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| 02:46 | "
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| 02:47 | <alkisg> We're not modifying anything though
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| 02:47 | We're creating something that doesn't exist
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| 02:47 | <vagrantc> creating =something that's not there is modifying it.
| |
| 02:47 | before you created it, it had one behavior
| |
| 02:47 | after you created it, it had another
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| 02:48 | <alkisg> Same as conf.d
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| 02:48 | <vagrantc> and the sole purpose of that file is to configure another package
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| 02:48 | alkisg: but that's an agreed upon mechanism
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| 02:48 | <alkisg> Nope I'm still not seeing it. Anyway, so... what do we do?
| |
| 02:48 | Parker955 is now known as Parker955_Away | |
| 02:48 | <vagrantc> like i said, we need to see if we can get nbd-server to ship a default /etc/nbd-server/conf.d
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| 02:48 | <alkisg> But that will make nbd-server run by default, while now it doesn't
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| 02:49 | I think Wouter did that intentionally
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| 02:49 | So the first package that needs nbd-server would do it (or the sysadmin manually)
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| 02:49 | <vagrantc> so we could ask for an update-nbd-server option that creates the configuration file.
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| 02:49 | <alkisg> Cool
| |
| 02:49 | <vagrantc> or ask for them to ship a fiile
| |
| 02:50 | and behave appropriately if nothing useful is configured
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| 02:50 | <alkisg> So for now, we don't do anything in postinst, we do it in ltsp-update-image, and we let the user manually do it for NFS+NBD swap
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| 02:51 | And if Wouter supports it, then we can call it from postinst
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| 02:51 | Right?
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| 02:51 | <vagrantc> right
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| 02:51 | <alkisg> Thanks vagrantc all that was very constructive :)
| |
| 02:51 | When I manage to wake up in ...noon I'll start the implementation
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| 02:52 | <vagrantc> i know it seems pedantic, but i know that's how it's treated in debian
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| 02:52 | (or at least, i've had RC bugs on my packages in the past about that)
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| 02:52 | <alkisg> I like/respect debian policy a lot, it's just that sometimes I don't understand it, or interpret it differently
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| 02:52 | <vagrantc> sure
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| 02:53 | * vagrantc files a bug on nbd-server | |
| 03:02 | * alkisg => pumpkin, a very late one even | |
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| 03:25 | <vagrantc> hrm.
| |
| 03:25 | nbd-server is prevented from moving to testing, and we're actually depending on features in it... ugh.
| |
| 03:28 | it's been stuck for 76 days... but it looks like there's a patch.
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| 03:38 | <qwebirc42171> i just upgraded from ubuntu 11 to 12 and my clients cannot boot anymore. they get a nbd-client usage error and then drop to busybox. any ideas?
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| 04:01 | <vagrantc> did you also...
| |
| 04:01 | nevermind.
| |
| 04:01 | upgrade the chroot ...
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| 08:28 | <mealstrom> hi, how to set at ltsp clients to use TCP at RSYSLOG service to connect to rsyslog server
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| 08:28 | ?
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| 08:32 | <mealstrom> configure_syslog() udp is hardcoded
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| 08:32 | from file: *.* @${SYSLOG_HOST:-$SERVER} .. Need to be done like @@ to use TCP
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| 08:55 | <Hyperbyte> Spurgeon! :>
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| 09:08 | <alkisg> For anyone interested, I'm rewritting ltsp-update-image, here are its new options, which are quite different from the old ones, comments welcome: http://paste.debian.net/167827/
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| 09:09 | E.g. it was agreed that <arch> wasn't a good name so I selectd <chroot> instead, which is also used by ltsp-build-client
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| 09:17 | <mealstrom> can you update nfs home mounting with option like nfs_version=4 ?
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| 09:17 | by default it is nfs_v3 and is hardcoded
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| 09:17 | <alkisg> Is that a kernel parameter?
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| 09:18 | <mealstrom> yes. it is hardcoded with mount -t nfs -o bla bla lba
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| 09:19 | <alkisg> mealstrom: are you talking about fat clients/localapps home mounting?
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| 09:19 | <mealstrom> yes
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| 09:19 | <alkisg> That can be done with the newly introduced FSTAB_x options
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| 09:19 | <mealstrom> oh, ok )
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| 09:19 | <alkisg> So you can define in lts.conf whatever you want to put in the client fstab
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| 09:19 | I don't think any distros have that code yet though
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| 09:19 | Maybe 12.04
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| 09:20 | ...yeah 12.04 should have it
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| 09:20 | <mealstrom> ive got 12.04 at home, ill try to check that.
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| 09:24 | ive got problem with random freeze of fat clients. reboot only helps. mouse moves. desktop is freezed. ssh on client -- coudnt be done: it asks for password and then hangs. Any idea how to debug this? Ive managed to configure rsyslog, but there were nothing there.
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| 09:31 | <alkisg> There are no user accounts in the clients so you can't ssh there, unless if you unlock the root account
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| 09:31 | Anyway, back to programming...
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| 09:47 | <mealstrom> there is account of mine, at ltsp clients with root priv., but i cant log in there.
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| 09:50 | <alkisg> Check if you need to enable ssh root login
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| 09:50 | or if you need to run ltsp-update-image
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| 09:50 | I.e. reboot the client, press alt+ctrl+f1 and try to login there
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| 10:33 | <mealstrom> alkisg: ive tryed to log in -- even as root -- no luck. it nangs after ive entered password. like there was no network. (system ping is ok)
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| 10:33 | <alkisg> mealstrom: was that with the client running OK, or when it hanged?
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| 10:34 | Do that before you login to the client
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| 10:34 | <mealstrom> alkisg: when it hangs. i've tryed to login to see log files. i could not log in there. Ive log in there now, and waiting when it hangs. Cant gurantee when
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| 10:35 | <alkisg> Try it before you login to the client, to see if you have configured ssh and the root password properly
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| 10:43 | <mealstrom> when system isnt freezed -- i can log in as user with sudo group.
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| 10:43 | it isnt desktop user, just system one
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| 10:44 | crap. system dont want to freeze when im ready :D
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| 10:46 | <alkisg> (01:43:34 μμ) mealstrom: when system isnt freezed -- i can log in as user with sudo group. ==> with ssh?
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| 10:46 | Or in alt+ctrl+f1?
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| 10:57 | <mealstrom> even with alt+ctrl+f1 on system -- after password is entered it is just black screen. no shell promt
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| 10:59 | <alkisg> So you have a configuration problem unrelated to the freezes
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| 11:14 | <mealstrom> maybe you are right.
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| 13:28 | <Hyperbyte> alkisg, looks sexy (ltsp-update-image). :)
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| 17:44 | <mnemoc> hi, what's the tool that exports local printers on terminals using socket://....:9100 ? (ubuntu 11.04)
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| 17:45 | <muppis> !lts.conf | echo mnemoc
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| 17:45 | <ltsp> mnemoc lts.conf: http://manpages.ubuntu.com/lts.conf
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| 17:45 | <mnemoc> muppis: thanks :)
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| 17:45 | <muppis> no prob.
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| 17:50 | <mnemoc> muppis: do you know where that printing daemon writes it's logs?
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| 17:52 | jetpipe!
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| 17:52 | need to find why doesn't want to print....
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| 17:52 | <muppis> I think it doesn't as being quite simple piece of sofftware.
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| 17:53 | * dead_inside would recommend using cups | |
| 17:53 | <muppis> jetpipe is used by cups.
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| 17:55 | <mnemoc> after a recent update the terminals stopped printing... writting /dev/lp0 manually works fine, jetpipe is listening, but whatever is sent using cups gets... lost
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| 17:55 | <dead_inside> then you might be able to look at /var/log/cups/error_log for the error log
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| 17:56 | <muppis> mnemoc, you got lpt printer, not usb?
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| 17:57 | <mnemoc> muppis: yes, good old parallel printers
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| 17:57 | <muppis> The you might need to be specific in lts.conf
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| 17:58 | <mnemoc> it is, and jetpipe is running as it should: root 1281 0.0 1.4 8472 3356 ? S 21:45 0:00 /usr/bin/python /usr/sbin/jetpipe -b 9600 -y 8 -p none -x /dev/lp0 9100
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| 17:59 | it was working until yesterday when I stupidly decided to update the system....
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| 17:59 | <muppis> Did same for chroot as well?
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| 17:59 | <mnemoc> yes, I mean the chroot and then the images
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| 18:00 | E [08/May/2012:14:00:14 -0400] [Job 5505] Unable to convert file 0 to printable format!
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| 18:00 | E [08/May/2012:14:00:14 -0400] [Job 5505] Aborting job because it cannot be printed.
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| 18:00 | uhm....
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| 18:00 | dead_inside: thanks for the hint about looking at cups' log
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| 18:01 | <dead_inside> np
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| 18:01 | <mnemoc> so it's the cups running on the server which forgot how to deal with plain text and dot matrix printers :|
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| 18:03 | btw, does 12.04 know to handle terminals without graphic accelerator? (openchrome) or voodoo is required? .... I already destroyed the world, so I could take the chance to upgrade :p
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| 18:04 | s/voodoo/dark magic/
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| 21:40 | <tjfontaine> when using kiosk as the screen KIOSK_OPTIONS is broken, because kioskSession is not passing the arguments to the actual script being called (in ubuntu 12.04 at least) this was my solution http://paste.debian.net/hidden/bf6ef040/
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| 22:14 | <markit> tjfontaine: forgive my ignorance.. what is this "kiosk" stuff? KDE feature?
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| 22:15 | <tjfontaine> well I was going to answer
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| 22:15 | markit: no, it's a screen you can set for SCREEN_02 for instance, you can see the list in /usr/share/ltsp/screen.d by default most people use "ldm"
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