IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 19 December 2014 (all times are UTC)
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| 06:05 | <work_alkisg> vagrantc: I tested using only ipxe *instead* of pxelinux, it worked fine, and it has support for everything you want about scripting, ifcpu etc
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| 06:05 | work_alkisg is now known as alkisg | |
| 06:06 | <alkisg> I.e. undionly.(k)kpxe
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| 06:07 | It also supports uefi, so it's an additional reason to switch to ipxe instead of pxelinux
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| 06:07 | <vagrantc> alkisg: nice!
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| 06:07 | * alkisg booted uefi too, although only 64bit so far, will try 32bit today | |
| 06:07 | <alkisg> *netbooted
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| 06:08 | <vagrantc> alkisg: so, instead of downloading pxelinux.0, you tell it to load undionly.kpxe ?
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| 06:08 | <alkisg> Yup
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| 06:09 | It's also possible to do it conditionally
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| 06:09 | E.g. "if it's an ipxe booted client, e.g. ipxe.lkrn, direct it to ipxe.cfg directly"
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| 06:09 | <vagrantc> alkisg: undionly doesn't appear to be shipped in ipxe
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| 06:09 | <alkisg> if it's plain pxe, direct it to undionly.pxe
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| 06:10 | vagrantc: it's there in debian
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| 06:10 | And in ubuntu too
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| 06:10 | <vagrantc> where?
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| 06:10 | oh, it's in ipxe
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| 06:10 | <alkisg> /usr/lib/ipxe/undionly.kkpxe
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| 06:10 | And ipxe.pxe too
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| 06:10 | <vagrantc> what's the diff between kpxe and kkpxe ?
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| 06:11 | <alkisg> The kk version was supposed to work in more cases, and to offer the feature to reuse the pxe ip
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| 06:11 | But in newer versions the plain k version is sufficient
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| 06:11 | <vagrantc> this is really good news
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| 06:11 | <alkisg> About the "reuse ip" ==> we have all the pxe stack variables in ipxe.cfg!!!
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| 06:11 | I.e. we can go on with a single dhcp request
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| 06:12 | We can pass the info in kernel parameters, and possibly as a file inside the initramfs too
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| 06:12 | Or use it to boot via http(s)...
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| 06:12 | <vagrantc> so hopefully it's as reliable as pxelinux with a broad spectrum of clients...
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| 06:12 | <alkisg> Right, that's my only concern
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| 06:13 | It's very actively maintained though
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| 06:13 | Better than pxelinux
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| 06:13 | <vagrantc> yes, thats exciting
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| 06:14 | <alkisg> The per-client configuration would be done with "if mac=xx" though, not in separate files
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| 06:14 | (replacing pxelinux.cfg/01-mac-address)
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| 06:15 | If it works fine, we can only leave ipxe in tftp, and put the rest, kernels, config etc, in ltspd
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| 06:15 | Served over http(s)
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| 06:15 | So that way even the kernel command line would be from lts.conf
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| 06:16 | Not sure how arm fits in all that
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| 06:16 | (not that pxelinux supported arm...)
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| 06:19 | * alkisg goes on to try loading an i386 kernel from an uefi netbooted client... | |
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| 06:34 | <Hyperbyte> Hey Alkis, good morning. :-)
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| 06:34 | <alkisg> Hi Jan!
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| 08:28 | <work_alkisg> Hyperbyte: I was thinking that we could host a couple of files at ltsp.org/boot, like ipxe.efi... and then download those files from ltsp-config
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| 08:28 | work_alkisg is now known as alkisg | |
| 08:28 | <alkisg> But the ltsp.org server seems extremely slow and unreliable... right?
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| 08:41 | <Hyperbyte> alkisg, that's a php problem I think.
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| 08:42 | Sometimes requests time out / stay active or something... then the server bogs down with requests.
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| 08:42 | Something like that. I could probably fix it.
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| 08:43 | <ame> i cant able to install java in chroot can anyone pls help me
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| 08:43 | <alkisg> Hyperbyte: it's extremely slow in ssh connections too...
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| 08:43 | I don't think it's php related, I think the hosting company sucks :)
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| 08:43 | <ame> hi alkisg
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| 08:43 | <alkisg> ame: did you try ltsp-pnp?
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| 08:43 | There's no chroot there so it'll be easier for you to manage
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| 08:44 | <ame> cant we install in chroot??
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| 08:45 | <alkisg> Sure, if you want wait for someone to tell you how it's done in chroots. I'm just saying that without chroots it would be easier for you.
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| 08:45 | <ame> i have downloaded open jdk 7 and installed but when i am trying to run java it is saying "java: error while loading shared libraries: libjli.so: cannot open shared object file: No such file or directory"
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| 08:46 | And if i use ltsp-pnp it does not eat server RAm memory at all??
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| 08:47 | <alkisg> It's the same for the server ram
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| 08:47 | <ame> Can you please share a working document of how to configure ltsp-pnp
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| 08:47 | <alkisg> !ltsp-pnp
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| 08:47 | <ltsp`> ltsp-pnp: ltsp-pnp is an alternative (upstream) method to maintain LTSP installations for thin and fat clients that doesn't involve chroots: https://help.ubuntu.com/community/UbuntuLTSP/ltsp-pnp
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| 08:47 | <alkisg> It's the same link as yesterday :)
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| 08:47 | You just need to read it
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| 08:51 | <ame> But the user permission and file permission will still remains same right??
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| 08:51 | <alkisg> yes
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| 08:53 | <ame> So nothing needed just to change some configuration and to update the image...Not at all need to have an image in /opt/ltsp right??
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| 08:54 | <alkisg> To install ltsp-client etc and to run ltsp-update-image -c /, right
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| 09:02 | <ame> but from where it will take image??
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| 09:03 | <alkisg> From /
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| 09:05 | The clients will have the same programs as your server
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| 09:05 | <ame> we can also set permission for accessing application accordingly??
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| 09:05 | <alkisg> If you can set it up at the server, the clients will also get it
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| 09:12 | <ame> super but my concern is fully because on RAM consumption
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| 09:13 | <alkisg> The ltsp-client package consumes no ram at all on the server
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| 09:13 | <ame> super first i will try it virtual box and change it in server
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| 09:16 | And any architecture depends??
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| 09:17 | <alkisg> If you have even 1 client that is i386, you need an i386 installation on the server too
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| 09:17 | If all your clients are 64bit, then you can use an 64bit installation on the server too
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| 09:17 | Do read the page it contains answers to all those questions
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| 09:20 | <ame> ok
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| 09:44 | <alkisg> Bummer... ipxe.efi currently can't load a x86 kernel. But it's still better than syslinux.efi, which cannot even load a x64 kernel (i.e. it's completely broken)
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| 09:47 | So the only way currently to boot a x86 kernel from uefi (of course with secure boot disabled) is via grub/pxe
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| 09:59 | <ame_> The following packages have unmet dependencies: ltsp-server-standalone : Depends: ldm-server but it is not going to be installed Depends: ltsp-server but it is not going to be installed Depends: openbsd-inetd but it is not installable or inet-superserver but it is not installable Depends: squashfs-tools but it is not installab
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| 10:00 | why i am getting this error when installing the following packages:apt-get install --yes install dnsmasq ltsp-server-standalone ltsp-client ldm-ubuntu-theme
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| 13:59 | <pchater> Hey guys, just a quick question.... at work I am going to be setting up a ltsp server with thin clients using 2 architectures... running Debian Wheezy. How would we automatically select the architecture just need a bit of guidance.
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| 13:59 | We're using 32 and 64 bit images.
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| 14:18 | <pchater> Anyone? ^_^
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| 14:43 | <Hyperbyte> mhm
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| 14:44 | I haven't done it, but it's possible.
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| 14:44 | Should be doable by configuring the proper image for each client in your dhcp server config
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| 14:44 | And then just building two images.
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| 14:49 | <pchater> @Hyperbyte: I was actually thinking of a quick bash like if statement to detect if the arch is amd64 give amd64 image, etc.
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| 14:49 | However, that method would probably work best and which we are going to be doing it that way to handle our thins.
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| 14:50 | AFK. :)
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| 14:54 | <Hyperbyte> pchater, problem is that by the time you have the oppurtunity to do anything in bash, a kernel must be loaded and that also means you're past the point of choosing the correct architecture
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| 14:54 | It has to be done as part of the boot routine, before the kernel is loaded.
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| 14:54 | I'm not saying it's not possible to autodetect, but it's going to take more than bash.
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| 14:55 | You could also just run all your clients as i386, it shouldn't have too much negative impact on performance.
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| 14:56 | <pchater> We've just decided to go the usual way :P Mac Address it all to provide the image that way :)
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| 14:56 | just for simplicity and less p***ing about lol.
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