IRC chat logs for #ltsp on irc.freenode.net (webchat)


Channel log from 10 December 2019   (all times are UTC)

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06:18
<Suresh>
Hi sir how to use x11vnc in ltsp over internet(Not local network)
06:18
<alkisg>
Suresh: eh, you use it normally, can you explain where you had problems with it?
06:19
Here's an example, if you do this, then you VNC to me:
06:19
!vnc-dide
06:19
<ltspbot>
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.
06:19
<Suresh>
I tried with x11vnc with local network(Same network) in ltsp, it's working but out side the or other network not working
06:21
<alkisg>
OK if I understand you correctly, this problem is completely unrelated to LTSP, and you just didn't do the appropriate port forwarding for VNC to work
06:22
You need to enter your router settings and port forward 5900 to the VNC server
06:25
<Suresh>
Ya sir, exactly i want to implement x11VNC server in my ltsp with out port forwarding method
06:26
<alkisg>
alkisg => Internet => router (ip=1.2.3.4) => vnc server (ip=192.168.1.123)
06:26
alkisg cannot access the vnc server without port forwarding in this ^ setup
06:27
It's a limitation of NAT networks. If you have NAT (normal router), you need port forwarding
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06:42
<Suresh>
Exactly i want to know this operation sudo apt-get --yes install x11vnc; x11vnc -connect srv1-xx.xx.xxx- this is a reverse connection, it doesn't need port forwarding.
06:42
please help me.
06:44
<alkisg>
Suresh: it doesn't need port forwarding from you, because *I* did port forwarding
06:44
You need port forwarding at least on one of the sides
06:48
<Suresh>
Sir Please help me. How to do this (Brief)
06:58
??
07:01
<alkisg>
Suresh, this isn't related to LTSP, I've sent you a PM in case you want to hire me to help you with port forwarding etc
07:02
<Suresh>
ok sir please sent the details
07:03
<alkisg>
Can you see the "alkisg" tab where I'm talking to you in private?
07:03
<Suresh>
I closed it sir.
07:03
ok got it sir.
07:04
<alkisg>
OK, let's talk there for details
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12:13
<test-94354>
hi
12:13
has anyone installed a 2x client on LTSP?
12:14
<uumas>
What do you mean by a 2x client?
12:15
<test-94354>
rdp client 2x by Parallels Co.
12:18
https://www.parallels.com/ru/products/ras/download/client/
12:18
alternative freerdp
12:19
I added it to /usr/share/ltsp/screen.d/
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12:21
<test-94354>
But the application starts and show an error
12:21
segfault
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12:22
<test-94354>
If you boot into fat client mode the application works
12:25
var. $PATH to the libraries written
12:28
Dec 10 15:28:03 ltsp166 kernel: [ 68.407720] appserverclient[1469]: segfault at 10 ip 00000000004ca556 sp 00007ffc8e5405b0 error 4 in appserverclient[400000+5a2000]
12:28
core.#012#012Stack trace of thread 1469:#012#0 0x00000000004ca556 n/a (appserverclient)#012#1 0x00000000004c43c0 n/a (appserverclient)#012#2 0x00000000004c4739 n/a (appserverclient)#012#3 0x0000000000488fd4 n/a (appserverclient)#012#4 0x000000000042154b n/a (appserverclient)#012#5 0x00007f674c36fb97 __libc_start_main (libc.so.6)#012#6
12:28
0x0000000000428ee9 n/a (appserverclient)#012#012Stack trace of thread 1475:#012#0 0x00007f674c46503f __GI___select (libc.so.6)#012#1 0x00007f674d6855cf n/a (libQtCore.so.4)#012#2 0x00007f674d59ae3c n/a (libQtCore.so.4)#012#3 0x00007f674d3086db start_thread (libpthread.so.0)#012#4 0x00007f674c46f88f __clone (libc.so.6)
12:28
kernel: [ 70.693780] appserverclient[1481]: segfault at 10 ip 00000000004ca556 sp 00007ffe3ac613c0 error 4 in appserverclient[400000+5a2000]
12:28
thread 1481:#012#0 0x00000000004ca556 n/a (appserverclient)#012#1 0x00000000004c43c0 n/a (appserverclient)#012#2 0x00000000004c4739 n/a (appserverclient)#012#3 0x0000000000488fd4 n/a (appserverclient)#012#4 0x000000000042154b n/a (appserverclient)#012#5 0x00007fa6f76f3b97 __libc_start_main (libc.so.6)#012#6 0x0000000000428ee9 n/a
12:28
(appserverclient)#012#012Stack trace of thread 1487:#012#0 0x00007fa6f77e903f __GI___select (libc.so.6)#012#1 0x00007fa6f8a095cf n/a (libQtCore.so.4)#012#2 0x00007fa6f891ee3c n/a (libQtCore.so.4)#012#3 0x00007fa6f868c6db start_thread (libpthread.so.0)#012#4 0x00007fa6f77f388f __clone (libc.so.6)
12:28
appserverclient[1491]: segfault at 10 ip 00000000004ca556 sp 00007ffebe132bb0 error 4 in appserverclient[400000+5a2000]
12:28
0x00000000004ca556 n/a (appserverclient)#012#1 0x00000000004c43c0 n/a (appserverclient)#012#2 0x00000000004c4739 n/a (appserverclient)#012#3 0x0000000000488fd4 n/a (appserverclient)#012#4 0x000000000042154b n/a (appserverclient)#012#5 0x00007f53f91e2b97 __libc_start_main (libc.so.6)#012#6 0x0000000000428ee9 n/a (appserverclient)#012#012Stack
12:28
trace of thread 1497:#012#0 0x00007f53f92d803f __GI___select (libc.so.6)#012#1 0x00007f53fa4f85cf n/a (libQtCore.so.4)#012#2 0x00007f53fa40de3c n/a (libQtCore.so.4)#012#3 0x00007f53fa17b6db start_thread (libpthread.so.0)#012#4 0x00007f53f92e288f __clone (libc.so.6)
12:29
any ideas?
12:30
<uumas>
test-94354: I don't, alkisg can probably help.
12:31
<alkisg>
Back, reading...
12:31
Ah, LTSP5, noone works on that anymore :)
12:31
!install
12:31
<ltspbot>
install: To install LTSP: https://ltsp.org/docs/installation/
12:31
<test-94354>
script screen.d
12:31
#!/bin/sh
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12:32
<alkisg>
He wasn't kicked for the previous flood, and he got kicked now for 2 lines? :D
13:13
<meo>
¯\_(ツ)_/¯
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13:39
<elec332>
Hello. Is it possible to mount samba shares with password on a ltsp 19 client?
13:40
Normally you'd use pam_mount.so, but that doesn't seem to work in this case
13:40
<vagrantc>
ah, ltsp 19 does mess with pam a bit; it might be overwriting some configuration?
13:41
look at the relevent configuration files in /etc/pam.d/
13:41
from a booted system
13:42
<elec332>
Is seems to be using a fake user of some sort. I added extra mount entries in the Pam files, but they are ran before the user logs in
13:45
<vagrantc>
it uses the users from the server and effectively adds them at boot... there's a way to disable that behavior and manually configure if you use some other authentication scheme
13:46
<elec332>
I use LDAP, so I already have the empty 54.sh file
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14:55
<alkisg>
elec332: with an empty pam-54.sh override, ltsp shouldn't be any different from normal non-ltsp clients
14:56
(you could use OMIT_FUNCTIONS=xx in ltsp.conf instead of an empty pam-54.sh file)
14:56
Also, there's nothing about "fake users"... what user do you mean?
15:00
vagrantc: ltsp 19.12 has been tested without users reporting any issues; you may upload it to unstable if you want
15:00
It solves some issues with fuse3 in unstable
15:00
*testing too
15:01
<vagrantc>
will be a week at the earliest, but yay :)
15:21
<elec332>
I have mount.so in common-password and common-auth
15:21
And both get executed before a user logs in
15:21
And not when a user does log in
15:25
<alkisg>
elec332: if you cat those files after boot, aren't they are you expect?
15:25
From what you describe, ltsp has nothing to do with pam in your setup
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15:31
<elec332>
The Pam files still contain the mount.so entries on the clients
15:32
<alkisg>
elec332: do you see them modified by ltsp in any way? They shouldn't be
15:32
I don't think LTSP touches your setup; something else sounds misconfigured,
15:32
<vagrantc>
/8/8
15:32
<alkisg>
also, pam-auth is called at user login, I'm not sure what you mean "executed before a user logs in"
15:35
<elec332>
The problem is they are called before the user logs in, as user gdm
15:36
<alkisg>
Whatever you did there, should be unrelated to ltsp, and it should be the same as if it was a non-ltsp client
15:36
LTSP didn't touch pam, didn't do anything with GDM etc
15:36
<elec332>
When the system boots up, right before you are taken to the login screen I see the error messages from pam_mount failing to mount
15:37
OK, I'll see what's borked
15:37
<alkisg>
That sounds like you put them for gdm too
15:37
So gdm runs them for the gdm user when it starts
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15:37
<alkisg>
But again, not related to ltsp at all; it sounds like you're following some broken how-to
15:39
<elec332>
It's not gdm, I just deleted its home folder and it hasn't reappeared after a reboot
15:40
<alkisg>
pam-auth gets called even without a home folder
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15:45
<alkisg>
test-94354: freenode kicked you because you pasted too many lines
15:45
!paste
15:45
<ltspbot>
paste: To avoid channel flooding, please upload text longer than 3 lines to http://paste.debian.net. Don't forget to paste the resulting URL here.
15:53
<test-94354>
ok
15:55
sent the config screen.d and after that I disconnect.
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18:23
<alkisg>
test-94354: did you read my comments about installing the new ltsp instead of the old one?
18:23
!install
18:23
<ltspbot>
install: To install LTSP: https://ltsp.org/docs/installation/
18:40
<test-94354>
no. not read
18:42
how can I install the new version?
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18:47
<alkisg>
test-94354: I just pasted a link, read it :)
18:47
...To install LTSP: https://ltsp.org/docs/installation/
18:49
<test-94354>
ok. I'll try to install.
18:50
thanks
18:52
I hope the error with 2x rdp client will solved
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18:56
<alkisg>
The new ltsp doesn't have screen.d at all
18:56
You just define a session however you want it
19:07
<test-94354>
it is very good
19:10
I can use the distr Linux Mint 19?
19:11
<alkisg>
Yes
19:52
<elec332>
Is ltsp19 tested against Ubuntu 18.04 or 19.04?
19:54
Because with a clean install (18.04) with ltsp and LDAP I get the following issues:
19:55
Libre Office doesn't work. Firefox prompts everyone to make a profile. Konversation (KDE app) irc client doesn't work. And mounting samba in Pam doesn't work either
19:55
<alkisg>
elec332: it's tested in 16.04, 18.04, 18.10, 19.04, 19.10, and 20.04
19:57
elec332: start with a normal installation, then start tweaking things, so that you know which of your tweak broke things
19:59
elec332: it's very possible that sambe home has issues; noone tested that
20:03
But of course that's completely unrelated to ltsp
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20:32
<elec332>
Looks like that's it
20:32
I'll fiddle with permissions for it this weekend
20:32
<alkisg>
It's usually a problem with remote locks
20:32
Not permissions
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