IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 23 May 2017 (all times are UTC)
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| 09:29 | <question1000> alkisg: back. with better luck this time?
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| 09:29 | <alkisg> question1000: eh, I have a few minutes if you're ready
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| 09:29 | <question1000> ok!
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| 09:29 | everything is running...
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| 09:29 | what to do?
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| 09:31 | <alkisg> question1000: first of all, remind me the issue... what was it?
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| 09:31 | Epoptes not running as root on the clients/
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| 09:31 | with if-up etc?
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| 09:32 | <question1000> ok. it's like this: epoptes works fine as long as a user is logged in (ubuntu 16.04). but i can't control any pc any more the user has logged out. you already told me that the process "socat ...." has to run twice: once with user-rights and once with admin-rights. the second one is not running any more when the user logs out
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| 09:33 | <alkisg> OK run vnc to me from the server:
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| 09:33 | !vnc-dide
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| 09:33 | <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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| 09:33 | <alkisg> And, have a client booted and logged in
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| 09:34 | <question1000> ok. one sec
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| 09:36 | done
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| 09:37 | <alkisg> I haven't received any connections
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| 09:37 | <question1000> last message: making connection to client on host ...
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| 09:37 | Port 5500
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| 09:37 | <alkisg> Can you ping srv1-dide.ioa.sch.gr ?
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| 09:38 | <question1000> yes, 81.186.20.0
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| 09:38 | <alkisg> Maybe you mistyped something
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| 09:38 | Do you have access to xorg?
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| 09:38 | If you are running from ssh, you don't
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| 09:38 | Run it from an x session
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| 09:38 | E.g. try to run xterm
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| 09:39 | And from xterm, try: x11vnc -connect 81.186.20.0
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| 09:39 | <question1000> it's an ubuntu xterm ... just tried the IP-adr
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| 09:39 | maybe a firewall-problem=?
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| 09:41 | <alkisg> Dunno
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| 09:41 | !vnc-edide
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| 09:41 | <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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| 09:41 | <alkisg> You can also try it from epoptes
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| 09:41 | <question1000> ok. next try
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| 09:41 | <alkisg> And you could also try `sudo service ufw stop` before that
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| 09:42 | <question1000> ... connecting ....
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| 09:43 | * alkisg hasn't received anything | |
| 09:45 | <question1000> i think it's a firewall problem ... i will add a rule to accept port 5500
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| 09:53 | <question1000> ok. conncected!
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| 09:53 | got it
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| 09:57 | ok
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| 09:57 | <alkisg> question1000: the problem is that you have epoptes installed on the clients
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| 09:57 | You only want epoptes-client on the clients
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| 09:57 | Remove epoptes, and you'll get the red monitor thumbnails
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| 09:58 | <question1000> ok, in that case I know why ... we use only ONE image for all computers.
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| 09:58 | <alkisg> And yet you don't use ltsp? Weird :D
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| 09:59 | That's what ltsp does best, boots all PCs from one image
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| 09:59 | Anyway, you can chmod -x /usr/sbin/epoptes, and it will be fine too
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| 09:59 | <question1000> no. it's not via ltsp ...
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| 09:59 | <alkisg> I understand that you're not using LTSP, and I'm suggesting that it might be easier if you did run LTSP
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| 09:59 | <question1000> we are using a solution called "LINBO" ... it's booting via PXE and copies a server-based image to all PCs
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| 09:59 | <alkisg> Anyways, problem solved.
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| 10:00 | <question1000> ok. very nice
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| 10:00 | thank you for support!
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| 10:00 | <alkisg> I would prefer ltsp to linbo, but it's your call :)
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| 10:00 | np
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| 10:00 | <question1000> now I know what to do.
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| 10:00 | thanks
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| 10:01 | when it works with chmod -x it's the best solution for us!
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| 10:13 | <question1000> bye. great support -- great program!
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| 10:13 | <alkisg> bye
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| 16:33 | <indaiano> olá, algum brasileiro?
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| 16:44 | <alkisg> Hello. This channel is english only
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| 16:46 | <indaiano> ok, sorry
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| 16:50 | My English is crap, but I need help setting up cifs partitions on LTSP terminals. What is the best way to do this? Can it be the same as in GPOs?
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| 16:53 | <alkisg> LTSP doesn't have any code for managing cifs
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| 16:53 | I think one way is to mount samba shares on the server, and have clients access them though the server
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| 16:53 | I think some people have done it directly on ltsp fat clients too, but I don't know the steps involved
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| 16:54 | <||cw> as long as the utilities are in your client image, you can use the normal mount configuration options
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| 16:55 | or, just use smb:// urls in the file managers
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| 16:55 | which is best if you need each user to have their own permissions when logging in
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| 17:07 | <indaiano> The assemblies depend on users/passwords and changes in '/etc/fstab'. I'm looking for a more automated way like GPO for example. Something I could set up for all users at once. Taking into account AD groups, etc.
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| 17:29 | <raphr> indaiano: I have done this kind settings with home shares available both via samba and NFS. login password are from AD for both sessions. But others windows shares are only available by entering login/password again on the desktop session.
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| 17:42 | <raphr> alkisg: hi. Have you ever think about adding iPXE support ?
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| 17:44 | <alkisg> raphr: I'm not sure what you mean; I'm already using ipxe with ltsp in hundreds of schools
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| 17:45 | Do you mean http instead of tftp?
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| 17:45 | <raphr> alkisg: yes
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| 17:46 | <alkisg> There's a thought that in ltsp 6, the settings daemon, ltspd, will also support serving the kernel via http
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| 17:46 | But it's just 1 line to run that, nothing difficult...
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| 17:46 | <raphr> AFAIK ltsp-update-kernel is pxelinux/tftp only.
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| 17:46 | <alkisg> python -m SimpleHTTPServer
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| 17:46 | ltsp-update-kernels updates the dir
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| 17:47 | How it is served, via tftp or http, is not a matter of updating the kernels
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| 17:47 | But a matter of dnsmasq/tftpd-hpa/simplehttpserver/apache/nginx etc configuration
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| 17:47 | A web server needs to be configured to point to the tftpboot dir
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| 17:50 | <raphr> ipxe script is a bit different but ltspd is a good thing
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| 17:50 | <alkisg> Also note that ipxe doesn't work in all cards
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| 17:50 | Even with undi
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| 17:50 | So tftp as the base should always be there
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| 17:55 | <raphr> true. But if it works, classroom boot would be faster.
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| 18:01 | <raphr> I have only tested wiht custom ipxe script and a compatible PC. image loading is smooth. I wonder if it would be a good idea to build ipxe native script within ltsp-update-kernel.
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| 18:09 | <alkisg> Sure, it'd be fine. It would make booting 1-2 secs faster
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| 18:10 | As only the kernel and initrd are loaded via http, vs tftp
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| 18:27 | <raphr> :) dunno. It is said that http can handle concurrent request better. another idea would be entry point with centrally managed client settings. But ltspd seems more suited solution. this was just an idea.
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| 19:10 | <||cw> indaiano: either way, it's not really much different than implementing on a desktop. the challenge with thin client is multiple users. the challenge with fat client is kerberos as the clients are dynamic.
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