IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 13 February 2018 (all times are UTC)
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| 08:25 | Nickolia has joined IRC (Nickolia!1f2b1f78@gateway/web/freenode/ip.31.43.31.120) | |
| 08:28 | <Nickolia> Hello guys. I have a LTSP server running approx 30 fat clients. All clients are using network printers Brother mfc-l2700 and everything is ok. But i've a problem with usb printer attached to fat client Canon LBP2900
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| 08:29 | On server Canon is printing and everything is ok. Cups installed on server and in chroot
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| 08:30 | <alkisg> !print
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| 08:30 | <ltsp> I do not know about 'print', but I do know about these similar topics: 'fatclient-printers', 'printer'
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| 08:30 | <alkisg> !fatclient-printers
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| 08:30 | <ltsp> fatclient-printers: You can publish printers on your network so that fat clients see them, by launching "system-config-printer" and selecting Server → Settings → Publish shared printers connected to this system
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| 08:30 | <alkisg> Hmm no
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| 08:30 | !printer
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| 08:30 | <ltsp> printer: Quick how-to: RCFILE_01="/usr/sbin/jetpipe /dev/usb/lp0 9100 &" in lts.conf, reboot client, then go to server's add printer dialog, and specify network printer → jetdirect → ltsp123.local
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| 08:32 | <Nickolia> in lts.conf i have PRINTER_0_TYPE = U PRINTER_0_DEVICE = /dev/usb/lp0
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| 08:33 | How to connect printers i know. Ltsp is a system very admin friendly, but exactly with this printer i had a problem
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| 08:35 | Please tell where to dig. I spent on googling about 4 weeks for ltsp/printing/fat-clients before chating here
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| 08:37 | <alkisg> There are two ways to share printers
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| 08:37 | One with jetpipe and one with cups
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| 08:37 | <Nickolia> jetpipe and cups can live together?
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| 08:38 | <alkisg> Yes but for different printers
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| 08:39 | So first, install the usb printer to the server and make sure it works there
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| 08:39 | Then move it to the fat client and ping me
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| 08:39 | <Nickolia> Ok. Thanks. in a moment)
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| 08:55 | <Nickolia> I've connected to server. installed drivers and print a test page. Now it is attached to fat client. The client was also rebooted
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| 08:57 | In terminal when i print "lsusb" i see him
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| 08:57 | from client
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| 08:58 | Bus 001 Device 005 ID 04a9:2676 Canon inc CAPT device
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| 09:12 | 'm ready
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| 09:16 | <alkisg> Nickolia: ok, do you have epoptes installed?
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| 09:17 | !epoptes
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| 09:17 | <ltsp> epoptes: Epoptes is a computer lab administration and monitoring tool. It works on Ubuntu and Debian based labs with LTSP or non-LTSP servers, thin and fat clients, standalone workstations, NX clients etc. More info: http://www.epoptes.org
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| 09:17 | <Nickolia> yes/, and client is nearby alongside with server. I run a test machine
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| 09:18 | <alkisg> Cool
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| 09:18 | !vnc-edide
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| 09:18 | <ltsp> vnc-edide: To share your screen with me, open Epoptes → Help menu → Remote support → Host: srv1-dide.ioa.sch.gr, and click the Connect button
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| 09:18 | <Nickolia> Epoptes is a damn good tool- using it every day
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| 09:18 | <alkisg> Thanks, I'm one of the devs :)
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| 09:19 | <Nickolia> Wow) Thank you sir
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| 09:22 | open epoptes from server you mean?
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| 09:22 | <alkisg> Yes
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| 09:24 | <Nickolia> sorry for idiot question but where remote support is situated?
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| 09:25 | <alkisg> You mean in which menu?
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| 09:25 | Help menu → Remote support
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| 09:26 | If you find it difficult, just run this in a terminal:
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| 09:26 | !vnc-dide
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| 09:26 | <ltsp> vnc-dide: To share your screen with me, run this: sudo apt-get --yes install x11vnc; x11vnc -connect srv1-dide.ioa.sch.gr - this is a reverse connection, it doesn't need port forwarding etc.
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| 09:26 | <Nickolia> Ok. 1 minute
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| 09:28 | done
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| 09:28 | <alkisg> moment...
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| 09:28 | (saw it)
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| 09:39 | <alkisg> Nickolia: is that the correct model?
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| 09:40 | <Nickolia> yeap
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| 09:40 | <alkisg> Did it print?
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| 09:40 | <Nickolia> maybe reboot printer
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| 09:40 | no print
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| 09:40 | <alkisg> OK, try it
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| 09:40 | <Nickolia> reboot done
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| 09:41 | you see? on server i connect it via script that downloads driver and register pninter
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| 09:42 | just installing printers it doesnt work
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| 09:42 | <alkisg> That's why I prefer jetpipe
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| 09:42 | Because now you're supposed to install the printer to the server as well
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| 09:42 | And just tell it the ip address where it is
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| 09:44 | <Nickolia> so what to do know?
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| 09:47 | <alkisg> Nickolia: well...
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| 09:47 | From what I'm reading, this one ships with its own spooler
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| 09:47 | So basically there are three ways to proceed,
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| 09:48 | <Nickolia> i have 7 of them)
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| 09:48 | all the same model
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| 09:48 | F*king Canon
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| 09:48 | <alkisg> 1) using jetpipe means you'd have to tell the canon spooler to forward to jetpipe on the client. I don't know how to do that because it's specific to that canon driver
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| 09:48 | 2) using cups in the clients, means you'd first install the canon drivers to the chroot
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| 09:49 | or (3) connect the printer to the server, but since you have 7, scratch that
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| 09:49 | So maybe go with (2) in this case
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| 09:49 | <Nickolia> ive installed it in chroot already
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| 09:50 | yesterday
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| 09:52 | <alkisg> Nickolia: did it print?
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| 09:52 | <Nickolia> nope
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| 09:53 | did client or printer need reboot to changes take effect?
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| 09:56 | <alkisg> Did it print now?
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| 09:57 | <Nickolia> negative
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| 09:57 | also no
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| 09:58 | <alkisg> OK let's give it a reboot
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| 09:59 | <Nickolia> you are very ัััะด
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| 09:59 | cool)
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| 09:59 | <alkisg> It's my job :)
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| 09:59 | <Nickolia> for me its an unreal task. For now at least
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| 10:05 | <alkisg> Nickolia: did you unplug the printer?
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| 10:05 | <Nickolia> no
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| 10:05 | <alkisg> It doesn't show up in lsusb
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| 10:05 | Can you reboot the printer?
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| 10:05 | <Nickolia> i see
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| 10:05 | sec
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| 10:06 | done
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| 10:07 | when you type reboot- it doesnt reboot just logout
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| 10:07 | is it norm?
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| 10:07 | <alkisg> If I type it as the user, yes
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| 10:08 | If i type it as root, no
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| 10:09 | Is it booting now?
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| 10:10 | <Nickolia> it is showing that ccpd.service is stop job running
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| 10:11 | <alkisg> ok hard-reboot it
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| 10:11 | press the reset button
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| 10:11 | <Nickolia> done- loading
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| 10:11 | <alkisg> Stupid printers, yeah :)
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| 10:12 | <Nickolia> nobody is loving canon
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| 10:13 | Can i dissapeare for 10 minutes. Need to help to user
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| 10:13 | ?
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| 10:14 | <alkisg> Nickolia: I'm done :)
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| 10:14 | I think you have misconfigured your chroot cups.conf
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| 10:14 | So cups isn't working normally there
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| 10:23 | <Nickolia> i need to reinstall cups?
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| 10:25 | <alkisg> Reinstalling a package doesn't affect its configuration
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| 10:26 | So anyway this takes a longer time than I can give for free support.... if you ever end up needing professional support, ping me :)
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| 10:26 | <Nickolia> Thank a lot for this. What price of support is?
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| 10:27 | <alkisg> Let me PM you
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| 10:27 | <Nickolia> n.gavriluk26@gmail.com
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| 10:27 | <alkisg> No here in IRC
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| 10:27 | You should see a window now where I'm talking to you
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| 10:28 | Or a tab, named alkisg
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| 18:10 | <Nickolia> #ogra
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| 18:11 | <alkisg> # is for channels, ogra_ is a person :D
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| 18:11 | <ogra_> well, sometime i feel like a channel :)
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| 18:12 | <alkisg> Channeling positive energy!
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| 18:34 | <Nickolia> I was learning hoe it works)
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| 21:01 | <gizmo__> hi all. I'm unable tp complete the ltsp-build-client --arch i386 due to dependency issues with mint-artwork-comon and mint-meta-core
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| 21:01 | any thoughts on how to resolve
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| 21:01 | <alkisg> !ltsp-manager
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| 21:01 | <ltsp> ltsp-manager: LTSP Manager is a GUI tool that makes LTSP maintenance easy. It's the recommended way to install LTSP in common setups. More info: http://wiki.ltsp.org/wiki/Ltsp-manager
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| 21:02 | <alkisg> !ltsp-pnp
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| 21:02 | <ltsp> ltsp-pnp: ltsp-pnp is the recommented method to install and maintain LTSP for "usual" setups. Since it doesn't involve chroots, it requires little to no command line to maintain it. It automatically supports both thin and fat ltsp clients. https://help.ubuntu.com/community/UbuntuLTSP/ltsp-pnp
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| 21:02 | <alkisg> gizmo__: try these methods instead of ltsp-build-client, they're more distro-agnostic
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| 21:02 | <gizmo__> installing on linuxMint 18.3
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| 21:02 | <alkisg> Which ubuntu version is that?
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| 21:03 | > Linux Mint 18.3 features Cinnamon 3.6, a Linux kernel 4.10 and an Ubuntu 16.04 package base.
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| 21:03 | OK, it's ubuntu 16.04, so you can use ltsp-manager
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| 21:03 | <gizmo__> Its a distro based on ubuntu not a version of ubuntu
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| 21:03 | <alkisg> It's not a distro
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| 21:04 | <gizmo__> ok
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| 21:04 | <alkisg> Distro means that it has its own repositories
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| 21:04 | But anyway, semantics
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| 21:04 | <gizmo__> yes, but is makes heavy use of ubuntu repos also
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| 21:04 | will try ltsp-manager
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| 21:04 | <alkisg> Except for a few packages,it's ubuntu 16.04, so it should work fine with ltsp manager
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| 21:04 | OK
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| 21:05 | There are 6 pages in the wiki, follow them in order
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| 21:05 | You should be up and running in less than 1 hour
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| 21:06 | <alkisg> Btw, we ltsp developers recommend ubuntu 16.04 mate instead of linuxmint, because mint is broken in quite a few places, but I don't have time to explain it in details now... :)
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| 21:07 | Ubuntu MATE is a normal flavor of ubuntu, while linuxmint tries to be a distro without being a distro, and it ends up breaking a lot of stuff
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| 21:07 | <gizmo__> E: Unable to locate package ltsp-manager
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| 21:07 | I get the above message when trying to install
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| 21:08 | <alkisg> Did you run the add-apt-repository command?
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| 21:08 | <gizmo__> no. which repository should I add?
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| 21:09 | <alkisg> Read the wiki page
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| 21:10 | <gizmo__> I have been through several wikis none of which speak to this issue, which one are you referring to?
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| 21:27 | <alkisg> gizmo__: this wiki that I linked above
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| 21:27 | Here it is again:
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| 21:27 | !ltsp-manager
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| 21:27 | <ltsp> ltsp-manager: LTSP Manager is a GUI tool that makes LTSP maintenance easy. It's the recommended way to install LTSP in common setups. More info: http://wiki.ltsp.org/wiki/Ltsp-manager
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| 21:27 | <alkisg> If you click there, you'll find a small how-to, that explains everything
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| 21:48 | <gizmo__> I dropped offline while typing a response to ltsp-manager. I am only able to find a deb package based on Ubuntu 14.04. there does not seem to be any updated versions of this package as far as I was able to look. Has anyone been able to get ltsp to work on Linux Mint 18.03 or even Mint 17?
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| 22:02 | <||cw> gizmo__: it's going to be easier to use ubuntu mate 16.04 and just add whatever it is from mint that you find missing from ubuntu
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| 22:02 | which in my experience, mint just has extra bugs
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| 22:03 | <gizmo__> I understand. I have not seen unresolved dependency issues with the dependencies in question actually already installed.
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| 22:07 | <||cw> well, the current ltsp stable is only supported on ubuntu 16.04, so if you're not using that, you have a lot of work to do.
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| 22:07 | <gizmo__> Been plugging away at this for a week now and discoveed just about every gotcha out there isn settng up an ltsp server. I tried opensuse edulife and after imaging the iso to flash drive many times using three differnt apps two on windows and unetbootin on linux iI could not create a bootable flahdrive image
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| 22:07 | <||cw> including ubuntu 16.10 or 17.04.
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| 22:08 | <gizmo__> The dependency issues I found are on both Mint 17 and 18
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| 22:09 | <||cw> ltsp isn't just "a package". it's a complex integration of standard packages and custom modifications to them.
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| 22:09 | <gizmo__> Found out the hard way that edulife will not install via usb at all. So I installed mint 17 and now 18 as I already had those images on flashdrive
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| 22:09 | <||cw> so if you go changing any one piece, you have mod ltsp's integrations with distro aware conditional logic
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| 22:11 | <gizmo__> I get that. The thing is that Mint has this ltsp-server and ltsp-server-standalone in its repos. I kind of expected them to install properly. The config issues I am prepared to deal with
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| 22:11 | <||cw> if you're just starting with ltsp, you really need to use ubuntu 16.04 proper, even a netinst or minimal server OS install will do, but it needs to be 16.04
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| 22:11 | once you learn it how it works then work on porting to another distro.
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| 22:13 | take that up with mint. one of its flaws is that it pulls everything from ubuntu without any consideration if their changes affect any other packages
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| 22:13 | <gizmo__> I am prepared to do as you suggest but I downloaded edubutu, which is rated as the best ltsp distro for schools. (I am doing this for a school.) Thing is, its based on ubuntu 14.04. Will give it a spin first then try the 16.04 if that fails
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| 22:13 | <||cw> but also, if those are based on ubuntu 16.10+, ubuntu itself made changes that affect ltsp, and those are not yet resolved
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| 22:16 | <gizmo__> Have to admit this was easier to do in the old days even though it was more manual. I have to wait each time until the end of the process to discover that it has failed with no means of recovering.
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