IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 17 October 2014 (all times are UTC)
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| 07:31 | <alkisg_web> !nbd-client
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| 07:31 | <ltsp`> nbd-client: To try mounting the NBD image from the client initramfs: nbd-client 192.168.67.1 -N /opt/ltsp/i386 /dev/nbd0
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| 07:36 | <penchal> hi
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| 07:37 | i am not able to install ubantu in my pc
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| 07:38 | <work_alkisg> Ask in the ubuntu channel then, not in #ltsp...
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| 07:41 | <penchal> i am not able to install LTS
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| 07:41 | can u help me out?
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| 07:44 | <work_alkisg> Ask in #ubuntu
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| 07:53 | <joamuran> Hello! we have a little question about local apps...
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| 07:54 | <work_alkisg> !ask
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| 07:54 | <ltsp`> ask: Don't ask to ask a question, simply ask it, and if someone knows the answer, they'll respond. Please hang around for at least a full hour after asking a question, as not everybody constantly monitors the channel.
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| 07:54 | <joamuran> we are using local_apps to launch firefox because we need to lauch some flash web applications impossible to launch in remote due to the load on server
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| 07:56 | so, we have a problem when users want to print something downloaded from firefox. The printer is connected to server. But when users download any document, the document is saved on client and the printer is unavailable
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| 07:57 | <joamuran> The ask is if is possible launch firefox in remote, but flash plugins in local
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| 07:57 | <work_alkisg> !fatclients
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| 07:57 | <ltsp`> fatclients: You may find some info about the Ubuntu/LTSP implementation of fat clients at https://help.ubuntu.com/community/UbuntuLTSP/FatClients
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| 07:57 | <work_alkisg> Have you read about that? ^
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| 07:58 | It makes local apps, printers etc much more easier to manage, since everything is local (via nbd/sshfs etc of course)
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| 07:59 | <joamuran> yes, we used to use fat clients, but there are problems with printing, so we decided to use clients as thin clients
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| 08:00 | the common situation is using fat clients
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| 08:00 | <work_alkisg> What problems with printing?
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| 08:01 | <joamuran> sharing printer... problems with cups...
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| 08:01 | not related with ltsp
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| 08:01 | <work_alkisg> Printers don't work with cups and you expect them to work with ltsp?
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| 08:01 | I don't think that's very optimistic... :)
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| 08:01 | *I think it's too optimistic...
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| 08:03 | <joamuran> it can work in server and thin clients, the problem is that they use a printer counter written in java (!""·%$%!"!"*), and does not seem to work very fine...
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| 08:05 | <work_alkisg> Anyways, no, while it would be very nice if flash ran locally and firefox remotely, I don't think anyone has found any way to do it
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| 08:05 | <joamuran> An ugly manner to solve it is using two menu entries, one for firefox in local and other in remote... so, they can select firefox to launch deppending on they want to do...
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| 08:05 | I supposed that...
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| 08:06 | Thank you anyway
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| 08:07 | <work_alkisg> I think you should focus on getting the printers working normally...
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| 08:07 | I.e. without ltsp first, and then try to make them work with ltsp
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| 08:09 | <joamuran> yes... that's the solution, but the printing service is managed by an external support, and it seems difficult to contact them...
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| 08:09 | we only were looking for a temporal solution...
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| 08:12 | Other question not related to it... any weeks ago we were takling there and anybody told anything about ltsp version 6.Do you know when is planned to release it? Or where can we follow its development and state?
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| 08:15 | <work_alkisg> It's progressing very slowly, so no dates etc
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| 08:16 | Maybe in a couple of years...
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| 08:17 | <joamuran> Thanks! Sure that it will be a great advance!
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| 10:23 | <work_alkisg> !alkisg-todo
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| 10:23 | <ltsp`> alkisg-todo: (#1) support xnbd-proxy for local caching: https://bitbucket.org/hirofuchi/xnbd/wiki/Home#!scenario-2-simple-proxy-server-distributed-copy-on-write, or (#2) replace "kernel memtest86+.bin" with "linux memtest86+.bin", see r1516
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| 11:39 | <chitta> hi
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| 15:09 | <wellington> Anyone know where I can find the picture starting the ltsp?
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| 15:11 | Anyone know where I can find the picture starting the ltsp?
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| 15:16 | <vagrantc> wellington: don't really understand your question...
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| 15:22 | <ogra_> i guess he wanted a photo from a bootscreen :)
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| 16:10 | <alkisg> vagrantc: have you ever looked into UEFI support in LTSP?
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| 16:11 | <vagrantc> no
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| 16:12 | probably should at some point
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| 16:12 | <alkisg> I think most things are in place nowadays, we could do it with just a bit of scripting
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| 16:23 | <JTEAM> Hi, I need some help on using LTSP with the objective to connect thinclients directly to a Windows RDP Server
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| 16:24 | <Hyperbyte> Hi
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| 16:24 | !ask
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| 16:24 | <ltsp`> ask: Don't ask to ask a question, simply ask it, and if someone knows the answer, they'll respond. Please hang around for at least a full hour after asking a question, as not everybody constantly monitors the channel.
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| 16:28 | <alkisg> In a nutshell, you run ltsp-build-client, and put SCREEN_07=xfreerdp <params> in lts.conf, it's quite simple but underdocumented
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| 16:39 | <Hyperbyte> -der ? ;-)
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| 16:39 | <JTEAM> Sorry but I'm not good on Linux! where can I find de lts.conf?
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| 16:39 | I'm using ubuntu 14.0
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| 16:45 | <Hyperbyte> !lts.conf
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| 16:45 | <ltsp`> lts.conf: (#1) http://manpages.ubuntu.com/lts.conf, or (#2) lts.conf manpage is available in the ltsp-docs package
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| 16:46 | <Hyperbyte> It's in /var/lib/tftpboot/ltsp/<arch>/lts.conf
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| 16:48 | <JTEAM> But I need to create it? Or is suposed to already have oe there?
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| 16:52 | <alkisg> You need to create it, start with these:
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| 16:52 | [Default]
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| 16:52 | SCREEN_07=xterm
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| 16:52 | When you get an xterm on the client, run xfreerdp to connect to the windows server,
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| 16:52 | once you get the correct xfreerdp command, put it in SCREEN_07...
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| 16:53 | <JTEAM> I tried to create it by the GUI but gives me deny on writting to folder
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| 16:55 | <alkisg> sudo gedit /var/lib/tftpboot/ltsp/i386/lts.conf
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| 17:22 | <vagrantc> alkisg: i vaguely recall you wanting to commit something to ltsp? memtest?
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| 17:28 | <JTEAM> After creatin the file do I need to update the image?
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| 17:29 | <vagrantc> not in tftpboot
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| 17:29 | JTEAM: you only need to update the image if you modify files in /opt/ltsp/
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| 17:33 | <JTEAM> When the thinclient starts It promps user and password, it's possible to do autologin?
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| 17:34 | <vagrantc> yes
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| 17:34 | but you need to configure one user per thin client on the server
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| 17:35 | <JTEAM> It's needed to have per device username and password?
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| 17:36 | <Hyperbyte> JTEAM, you cannot log in more than 1 computers with the same user and password.
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| 17:36 | Well actually you can, but most applications cannot be started twice.
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| 17:37 | And your settings can be overwritten
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| 17:44 | <vagrantc> unless you're able to do kiosk mode ... then you don't need any accounts on the server, but your users loose data between sessions
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| 18:20 | <alkisg> vagrantc: re: memtest, yes, undoing the relevant revision would be nice...
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| 18:20 | !alkisg-todo
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| 18:20 | <ltsp`> alkisg-todo: (#1) support xnbd-proxy for local caching: https://bitbucket.org/hirofuchi/xnbd/wiki/Home#!scenario-2-simple-proxy-server-distributed-copy-on-write, or (#2) replace "kernel memtest86+.bin" with "linux memtest86+.bin", see r1516
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| 18:20 | <alkisg> It's r2516, not 1516...
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| 18:20 | It would need to go to included-files-to-pxelinux (there's a variable but I don't remember its name), so that it ends up to the end of pxelinux.cfg/ltsp
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| 18:21 | And it would need to be "linux memtest", not "kernel memtest"
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| 18:21 | More on that tomorrow though, or maybe next week... :)
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| 18:22 | <vagrantc> alkisg: was hoping to get a new upstream version and upload to debian in the next few days
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| 19:03 | <alkisg> vagrantc: where would you like memtest/localboot in the menu?
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| 19:03 | In some "Other boot options" menu item in the end?
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| 19:05 | Also, since "linux" is better than "kernel" (skips unnecessary autodetection), maybe we should always use that one...
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| 19:06 | And, why not, support a file called "custom" if it exists, and just append it at the end of the "ltsp" file, it's just one line to do that
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| 19:10 | <vagrantc> alkisg: i like the idea of a submenu for memtest
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| 19:10 | alkisg: as long as "linux" vs. "kernel" works with fairly old versions, sure.
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| 19:10 | alkisg: regarding custom ... appends a file custom from where?
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| 19:10 | alkisg: otherwise, sure.
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| 19:11 | <alkisg> vagrantc: pxelinux.cfg/custom => a file made by sysadmin
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| 19:11 | E.g. I would use it to add "win98 boot disk.img" etc
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| 19:11 | Just a quick hack for a couple of user defined submenus
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| 19:11 | One line only, test -f && append the file
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| 19:13 | 'linux' works in at least syslinux 4.05, i.e. squeeze-backports, maybe even in plain squeeze...
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| 19:14 | * vagrantc forgets if pxelinux.cfg is both in /boot and /var/lib/tftpboot/ltsp/ARCH/ | |
| 19:15 | <vagrantc> alkisg: as long as it's supported in wheezy, i'm fine with it.
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| 19:16 | <alkisg> pxelinux.cfg is in chroot/boot/, and then copied to tftp
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| 19:16 | I think "linux" has been introduced along with "kernel", so yup we're fine wrt compatibility
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| 19:17 | <vagrantc> doesn't it require the linux.c32 ?
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| 19:17 | <alkisg> No
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| 19:17 | "kernel" means autodetect
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| 19:17 | <vagrantc> autodetect what? :)
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| 19:18 | <alkisg> linux, comboot, com, etc
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| 19:18 | while "linux.c32" means "alternative loader for linux kernels"
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| 19:18 | <vagrantc> ok.
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| 19:18 | <alkisg> http://www.syslinux.org/wiki/index.php/SYSLINUX#KERNEL_file
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| 19:19 | .bin means "cd boot sector"
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| 19:19 | <vagrantc> right
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| 19:19 | <alkisg> That's why it fails with "kernel" and succeeds with "linux"
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| 19:19 | It's the same as if we just renamed memtest.bin to memtest.somethingelse
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| 19:19 | <vagrantc> that simplifies the code a good deal.
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| 19:20 | <alkisg> I'm not in my development pc now, I'll try to commit that in the weekend
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| 19:20 | "Other boot options" sounds ok?
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| 19:20 | For a submenu?
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| 19:21 | Or should we just add them in the end without a submenu>
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| 19:21 | ?
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| 19:21 | * alkisg checks how grub does it in recent versions... | |
| 19:23 | <alkisg> Hmm, plain entry, ok, i'll copy the text from grub
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| 19:24 | We should probably include uefi support in jessie too though
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| 19:24 | <vagrantc> depends on how many options we're likely to see
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| 19:24 | <alkisg> It'll become muh more common until jessie eol
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| 19:24 | *much
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| 19:24 | <vagrantc> i don't even know where to start with UEFI
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| 19:24 | <alkisg> Nothing much... just some files ending with .efi
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| 19:25 | pxelinux, memtest, signedd kernels etc, it's just about file names though, nothing special
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| 19:25 | <vagrantc> kind of like the .nbi images of so much legacy pain?
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| 19:26 | <alkisg> E.g. I have laptops in UEFI and I have to enter the bios in order to switch them to legacy bios to netboot them, and then back to uefi to boot them locally
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| 19:27 | There are some dhcp-related changes too though, but just a couple of lines there as well nothing much
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| 19:28 | <vagrantc> worst case that can be added manually
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| 19:28 | <alkisg> Yup
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| 19:29 | <vagrantc> but generating the .efi files ... that would be better done in code, i'm guessing
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| 19:29 | <alkisg> No no the .efi files come with the packages
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| 19:29 | * vagrantc wishes update-kernels was split into modules | |
| 19:29 | <alkisg> memtest provides memtest.efi, syslinux provides pxelinux.efi etc
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| 19:29 | <vagrantc> aha
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| 19:29 | <alkisg> and linux-image provides linux-signed
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| 19:29 | <vagrantc> ipxe.efi ... :)
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| 19:29 | <alkisg> Right
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| 19:30 | Although if you're already netbooting, you'd use the other wrapper, whatsitsname... undionly.kpxe?
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| 19:30 | * vagrantc doesn't see memtest.efi | |
| 19:30 | <alkisg> Are you on amd64?
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| 19:30 | <vagrantc> yes
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| 19:31 | nor linux-signed whatever it's called
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| 19:31 | <alkisg> $ dpkg -S /boot/memtest86+.elf
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| 19:31 | memtest86+: /boot/memtest86+.elf
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| 19:31 | * vagrantc suspects Jessie's EFI support may be missing some bits | |
| 19:31 | <alkisg> vmlinuz-3.13.0-37-generic.efi.signed
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| 19:31 | <vagrantc> no such files
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| 19:31 | what are you on, Ubuntu? :P
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| 19:32 | <alkisg> Haha
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| 19:32 | Signed files can be used without uefi too, maybe jessie is too advanced and just doesn't name them "signed" :P
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| 19:32 | <vagrantc> so i guess not so urgent for Jessie, if none of the other bits are there...
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| 19:32 | <alkisg> (or it doesn't have the keys to sign them...)
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| 19:32 | OK, I'll stick to the non-efi changes
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| 19:32 | <vagrantc> yeah, i seem to recall there having been no real consensus on signed images for UEFI
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| 20:42 | <Xoonionieeiyiluu> what's up
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| 20:42 | -terminal is awesome
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