IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 24 October 2013 (all times are UTC)
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| 07:20 | <r0nn1> Hello, and HP Thin Client T5740 will work properly with LTSP?
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| 07:33 | <Hyperbyte> It should. I'm not a fan of the HP thin clients though. They're a bit expensive and the intel graphics that usually come with them don't work well in every circumstance
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| 07:56 | <r0nn1> That should work?
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| 09:10 | <engblom> Some of the school I am maintaining have really old hardware and i386 thin client is only possible, and some of the hardware is able to run amd64 fat client. Is it possible to have both i386 and amd64 served by the same server? Is it possible to decide by MAC which version ends up at a client?
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| 09:28 | <Hyperbyte> engblom, yes.
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| 09:28 | If you use something like ltsp-pnp, your server will auto detect if client needs to be thin or fat, depending on the amount of ram they have.
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| 09:33 | <engblom> The problem with if they should be fat or thin is solved by setting the RAM threshold in lts.conf. The problem is how I get both 32-bit and 64 bit distributed.
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| 09:33 | <Hyperbyte> With ltsp-pnp you can't
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| 09:33 | But do you really need to?
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| 09:34 | <engblom> For most cases 32-bit is enough. Now however, they want to do some heavy multimedia on some computers (more RAM than what 32-bit allows) and they need an updated official java plugin for some education software.
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| 09:34 | Oracle has not been making any 1.7 for 32-bit linux.
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| 09:35 | <Hyperbyte> You realize Ubuntu uses a pae kernel? That allows up to 64bit ram in 32-bit mode.
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| 09:35 | <engblom> It still does not solve the Java problem, which is the most important one.
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| 09:36 | <Hyperbyte> Well, then you need to maintain two LTSP installations.
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| 09:37 | <engblom> So multi-architecture support is thrown out? Many years ago I read about ltsp serving from same server i386, arm and ppc
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| 09:37 | <Hyperbyte> Keep this server your 32-bit thin client server one, and install another computer with 64-bit ltsp-pnp. Use that computer to build an image for fat clients, transfer that image to your main ltsp server, and specify which image to use for each client in your dhcpd.conf file
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| 09:38 | engblom, sure you can serve it with one server. You can't -maintain- all the different architectures from one server.
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| 09:38 | <engblom> Not even i386 and amd64 as the server itself is running amd64?
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| 09:38 | At this moment I am serving i386 clients from amd64 server.
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| 09:39 | <Hyperbyte> Hrm, yeah
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| 09:39 | Are you using ltsp-pnp?
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| 09:41 | <engblom> I am using Debian and their standard ltsp-server-standalone package for building the ltsp-chroot.
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| 09:41 | <Hyperbyte> I think with that it's possible while maintaining only one installation... since thin clients can use the 64-bit OS via remote X and you can build the fat clients from the host installation, thus getting the exact same installation for the fat clients that you have for the thin.
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| 09:42 | <engblom> With ltsp-build-client I can easily build both an i386 and an amd64 environment. (sometimes I have forgot to add the --arch i386 flag)
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| 09:43 | <Hyperbyte> Then you're doing exact what I said: maintaining multiple installations.
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| 09:43 | If that's no problem for you, then sure... that works.
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| 09:43 | *exactly
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| 09:43 | <engblom> How do I specify which ltsp-chroot should be booted?
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| 09:43 | <Hyperbyte> dhcpd.conf
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| 09:43 | Clients get told during boot which chroot to pick.
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| 09:44 | <engblom> Ok, so I specify there by MAC?
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| 09:44 | Would it be possible to make PXE-boot to try first amd64, and if it is not working, fail back on i386?
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| 09:44 | s/fail/fall/
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| 09:45 | <Hyperbyte> engblom, probably, but you can only PXE boot once.
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| 09:45 | So you'd have to PXE boot some bootloader that can detect 32-bit vs 64-bit and load a kernel via tftp accordingly and continue booting
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| 12:25 | <work_alkisg> engblom: there's ifcpu64 for that, it's supported by ltsp
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| 12:25 | it detects non-pae/pae/64 bit and automatically then sends the correct kernel
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| 12:56 | <engblom> work_alkisg: Thanks!
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| 13:42 | <bennabiy> Anyone else have issues when trying to dist-upgrade to 3.8 kernel?
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| 13:52 | <Mava> which distro ?
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| 14:03 | <other_other_joe> he's running Mint I believe
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| 14:08 | <||cw> I did a ubuntu 13.04 to 13.10 update the other day, was seamless. probably the smoothest ever, which is pretty much unheard of for ubuntu non-LTS upgrades
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| 14:12 | <other_other_joe> I'm still running kernel 3.2 myself so, not much help from me
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| 15:13 | <bennabiy> I got it working
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| 15:17 | <bennabiy> does anyone have a good rsync backup routine to backup the essentials on an LTSP server? I wrote one a few years back, but cannot remember everything I chose to backup
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| 16:56 | <other_other_joe> just rsync everything ltsp-update-kernel touches
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| 16:56 | I also keep the /opt/ltsp/$arch/images/ directory synced offsite
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| 17:12 | <bennabiy> you use fat clients?
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| 17:12 | for thin clients, wouldnt it be /opt/ltsp/images ?
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