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


Channel log from 22 November 2017   (all times are UTC)

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04:22
<vas>
Hi
04:23
Can anyone tell me ltsp-pnp is possible in ubuntu version 16.04
04:23
And i am looking for using more softwares like freecad,aurdino and some other designing tools
04:31
<vagrantc>
!ltsp-manager | echo vas
04:31
<ltsp>
vas 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
04:31
<vagrantc>
vas: that documents a frontend that should work
04:33
it should also be possible using the manual methods
04:34
you'll probably want to use the ppa:
04:34
!greek-schools-ppa | echo vas
04:34
<ltsp>
vas greek-schools-ppa: https://launchpad.net/~ts.sch.gr/+archive/ppa/ supports LTS Ubuntu releases with newer LTSP versions, bug fixes etc
04:41
<vas>
Thanks Vagrant..Lemem check and revert back to you if i have any concern
04:41
<vagrantc>
just ask in the channel, i might not be around
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05:51
<alkisg>
JerryT: try setting this in lts.conf: X_SMART_COLOR_DEPTH=False
05:51
That's another issue that the new xorg might have caused :)
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06:46
<janzik^Teacher-U>
Γεια σας, χρειαζομαι επειγόντως βοήθεια
06:47
Εστεισα το ματε 16.0.4 αλλά οι σταθμοι εργασίας κολλάνε με το prompt (initramfs)
06:48
<alkisg>
Καλημέρα janzik^Teacher-U
06:48
<janzik^Teacher-U>
o server πρεπει να έχει την ip 10.128.114.50.
06:48
<alkisg>
Εδώ είναι το αγγλικό κανάλι, το ελληνικό είναι στο /join #ts.sch.gr
06:48
<janzik^Teacher-U>
πως μπαινω
06:49
<alkisg>
Γράψε: /join #ts.sch.gr
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07:22
<JerryT>
alkisg, that cause poor colors/resolution?
07:23
<alkisg>
JerryT: no, that causes more color/resolution and it goes a bit slower
07:23
The default for thin clients is 16 bit, this forces 32 bit
07:24
<JerryT>
Gotcha, I can't really tell right now cause I'm not in the office but judging by my laptop's camera the room lit up when I rebooted.
07:24
So I think that worked.
07:25
I'll know for sure in the morning when I get in.
07:25
<alkisg>
JerryT: why are you forcing them to be thin clients instead of fat?
07:25
Doesn't fat mode work better for you?
07:26
<JerryT>
Actually I want them to be FAT
07:26
But I had an issue with our voip software
07:26
<alkisg>
(11:06:29 μμ) JerryT: It seems that the video is just an issue if we set FATCLIENT=False
07:26
<JerryT>
Really wierd one
07:26
<alkisg>
That makes them *thin*
07:26
Ah sorry
07:26
I didn't read your second sentence there :)
07:27
voip usually has issues in thin mode, so yeah that's rather strange
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07:27
<JerryT>
Well the issue was it couldn't bind to a socket
07:28
And it also couldn't find system libraries.
07:28
<alkisg>
You should troubleshoot those issues instead of forcing fat mode
07:29
<JerryT>
Yah, I spent a couple days on google and what not but I couldn't find anything regarding it.
07:29
Felt like the only one that's ever experienced it, lol.
07:30
<alkisg>
I don't remember you asking here or in the list about it...
07:30
<JerryT>
True, I think I stumbled in here after I had given up on that.
07:30
I'll take a look real quick and see if remotely I can reproduce it.
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07:43
<max2206>
Hi, I need your help
07:44
<alkisg>
Hello max2206
07:45
<max2206>
I install ltsp on ubuntu server 16.04 everything works except a thin client
07:45
<alkisg>
What error message do you see?
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07:50
<max2206>
error only in work nbd-server he write me "nbd_server Client is not authorized to access"
07:51
but I created file "/etc/ltsp/nbd-server.allow" ind insert ip and mask my network
07:53
<alkisg>
Delete /etc/ltsp/nbd-server.allow and try again
07:54
Do other clients work?
07:54
By default, there is no ip checking
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07:57
<max2206_>
I remove file
07:58
but I not connect on freerdp to my server
07:58
<alkisg>
Freerdp is not nbd
07:58
What is the error message?
07:59
<max2206_>
only ndbserver error in syslog
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08:00
<JerryT>
alkisg, when things are ran as a fat client how does that work? Is it almost like a liveCD?
08:01
<max2206_>
yes, run lubuntu with mount home directory with server
08:02
<alkisg>
max2206_: what is the error message on the client?
08:03
JerryT: yes, the root / comes from the server via nbd which is like booting from a usb disk, and then /home comes from the server via sshfs
08:04
<max2206_>
rdesktop couldn't be found but I install him and write option to lts.conf
08:08
<alkisg>
OK, so now do you see any error?
08:10
<JerryT>
So any ideas why a user wouldn't be able to bind() to sockets?
08:11
<max2206_>
on server only : Can't open authorization file /etc/ltsp/nbd-server.allow
08:11
<alkisg>
JerryT: exact error messages please
08:11
max2206_, no, we need error messages or screenshots of the client
08:11
<max2206_>
on client: rdesktop couldn't be found
08:11
<alkisg>
max2206_: do other clients work?
08:13
<JerryT>
single instance bind: : Operation not permitted
08:13
<alkisg>
JerryT: which port? under 1024?
08:14
<max2206_>
error on client:
08:16
<JerryT>
alkisg would strace show that possibly?
08:17
<max2206_>
rdesktop couldn't be found some destributions have now switched to xfreerdp instead of rdesctop you may want to change screen_xx entry to that instead
08:18
<alkisg>
max2206_: you don't answer to questions... do other clients work?
08:18
JerryT: when you run it in a thin client, does it work without using sudo?
08:18
(or without prompting you for password...)
08:19
<max2206_>
alkisg - sorry, no
08:20
<alkisg>
max2206_: what is your SCREEN_ entry in lts.conf?
08:21
<JerryT>
alkisg, yes
08:21
Without sudo
08:22
<max2206_>
SCREEN_07=rdesktop
08:23
<alkisg>
JerryT: so if you run this from a terminal on a fat client, that' s the only line that you see, single instance bind: : Operation not permitted ?
08:24
max2206_: and the rest of the rdesktop lines, the options etc
08:24
Just remove the password if you have one
08:25
JerryT: ah, a possibility is that it tries to create a socket inside sshfs instead of a real fs, and it fails
08:25
E.g. trying to create a socket under ~/
08:25
This isn't related to ports then
08:25
<JerryT>
Ohhhhhhh
08:25
<alkisg>
The workaround would be to divert it to a real file system like /run/user
08:25
<JerryT>
YES
08:26
<alkisg>
If you need professional help in troubleshooting this, ping me in PM, but it's not really ltsp related...
08:26
<JerryT>
It's trying to create it in ~/.Zoiper/zoiper.socket
08:26
I see that now in the strace
08:29
Ok, thanks. I may take you up on that.
08:29
I'm probably going to get some sleep and regroup my head in the AM.
08:30
<alkisg>
Cool
08:42
<max2206_>
thin client work ) I write to lts.conf "SCREEN_07=xfreerdp"
08:42
<alkisg>
Yes, that's the solution
08:46
<max2206_>
but now I do not have the ability to boot a thick client
08:47
<alkisg>
max2206_: it's difficult to communicate that way... put your lts.conf to pastebin if you want us to understand better.
08:49
<max2206_>
my conf: [default] SCREEN_07=xfreerdp LOCALDEV=True MODULE_01 = usb-storage RDP_SERVER=192.168.100.1 RDP_OPTIONS="--ignore-certificate --no-nla -d GPRC -a 32 -f -x l"
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08:51
<alkisg>
max2206_: how do you plan to use it as a fat client? with SCREEN_08=ldm?
08:55
<max2206_>
I created images
08:55
ltsp-build-client --dist xenial --arch i386 --fat-client-desktop lubuntu-desktop
08:58
<alkisg>
You can add SCREEN_08=ldm. This will allow you to press alt+ctrl+f8 to switch to ldm and login as a fat client
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09:07
<max2206_>
all work, thx U
09:08
<alkisg>
np
09:08
<max2206_>
I added "SCREEN_08=ldm" and have earned both types of client
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11:59
<lliurex>
exit
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17:26
<JerryT>
The files in /run/user/ what happens to them on shutdown, etc?
17:27
<vagrantc>
they're stored in ram, so when the power is removed, they're gone
17:28
which is the exact intention for all files in /run ... it's only supposed to be used for transient files for a "run"ning system
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17:52
<Psyco40>
hi all
17:53
<alkisg>
Hello
17:53
<Psyco40>
i have a problem with thin/fat Client, after boot always say "a new version of the system is availabe, rebooting in 10 sec
17:54
<alkisg>
That should happen when you run ltsp-update-image, not after client boot
17:55
Which distro/version?
17:55
<Psyco40>
ltsp run on a 16.04 ubuntu server 64 bit
17:56
<alkisg>
Do you have anything weird wrt nbd server?
17:57
<Psyco40>
nope
17:58
<alkisg>
dd if=/opt/ltsp/images/i386.img of=/dev/stdout bs=64 count=1 2> /dev/zero | sha1sum -
17:58
The code that checks that is in $CHROOT/usr/share/ldm/rc.d/I01-nbd-checkupdate
17:59
Compare the output of the above dd ^ with a similar dd from a client /dev/nbd0
17:59
If they're different, you have something weird in your nbd setup
18:00
If you want do just disable that behavior, put this in lts.conf: INIT_COMMAND_RM_NBD_UPDATE="rm -f /usr/share/ldm/rc.d/I01-nbd-checkupdate"
18:01
<Psyco40>
they are different
18:01
<alkisg>
You have root access on the client?
18:01
Doesn't it reboot?
18:02
dd if=/dev/nbd0 of=/dev/stdout bs=64 count=1 2> /dev/zero | sha1sum -
18:02
<Psyco40>
yes, i have a root access and yes, the client reboot
18:02
<alkisg>
You can get root access without the client rebooting if you put SCREEN_07=shell
18:03
<Psyco40>
i nou, i have enable it
18:28
after reboot client and server, the output of dd if=/opt/ltsp/images/i386.img of=/dev/stdout bs=64 count=1 2> /dev/zero | sha1sum - is tha same, but nothing change, always "a new version of the system is availabe, rebooting in 10 sec"
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18:44
<alkisg>
(08:00:47 μμ) alkisg: If you want do just disable that behavior, put this in lts.conf: INIT_COMMAND_RM_NBD_UPDATE="rm -f /usr/share/ldm/rc.d/I01-nbd-checkupdate"
18:44
It may be a problem with nbd kernel module that I reported a month ago
18:47
<Psyco40>
i tried disabling it but, after login bring me back to login window
18:48
<alkisg>
Erm, this is unrelated to nbd issues
18:48
Did it work before, or you never got it to work?
18:49
<Psyco40>
only with fat client, with thin client it never work
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18:49
<alkisg>
No login fails only for thin?
18:50
*now
18:50
<Psyco40>
before, now both the fat and thin client dont work
18:52
i have change this line in CMDLINE_LINUX_DEFAULT="init=/sbin/init-ltsp forcepae" to MDLINE_LINUX_DEFAULT="init=/sbin/init-ltsp quiet" in /opt/ltsp/i386/etc/ltsp/update-kernels.conf
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18:53
<Psyco40>
before this, thin client dosent boot, only fat client
18:53
and i have add LTSP_FATCLIENT=False in lts.conf
18:58
<alkisg>
Psyco40: which desktop environment?
18:58
opengl desktop environments have issues working over network
18:59
<Psyco40>
unity
19:01
<alkisg>
Yeah unity doesn't really work over the network
19:02
Go for mate if you want thins
19:02
It might be possible to get it to work but it'll be so slow it's not worth it
19:03
<Psyco40>
ok i try
19:03
<alkisg>
!ltsp-manager
19:03
<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
19:03
<alkisg>
This is the recommented way to install ltsp, it includes a link to the ubuntu mate cd
19:09
Btw why thin clients? Too old hardware?
19:10
<Psyco40>
pentium 3 or 4 with less the 512 mb ram
19:10
<alkisg>
Well then avoid unity at all costs :)
19:10
Go for mate, that's what I'm using here with p3/p4
19:10
Although p4 with > 2GHz cpu is better off with 1 GB DDR-1 as a fat client
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