IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 15 April 2020 (all times are UTC)
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| 07:16 | <NecTal> Hello. Is there a possibility to make programs run on ltsp server like in the old ltsp or not? Since with the new ltsp everything runs in thinclient it seems that gigabyte brix computers with 4gb ram and gigabyte network is not enough when you use usual programs such as chromium-browser, zoom and etc.
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| 07:17 | Even intel nuc with 4gb ram is not enough.
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| 07:17 | <alkisg> What CPU model exactly? grep model /proc/cpuinfo
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| 07:17 | To run programs on the ltsp server, you'd use xfreerdp, x2go etc
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| 07:17 | vnc...
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| 07:18 | But let's see if you have another issue first
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| 07:26 | <NecTal> Intel Nuc has Inter(R) Celeron(R) CPU J3455 @ 1.5GHz.
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| 07:26 | <alkisg> https://www.cpubenchmark.net/cpu.php?cpu=Intel+Celeron+J3455+%40+1.50GHz&id=2875 has score 2278, it should run chromium-browser fine
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| 07:27 | Can you boot a live cd / usb stick / local installation, and compare?
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| 07:27 | LTSP should perform as fast as a local installation
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| 07:28 | <NecTal> It runs great until you use multiple programs that use a lot of ram. Like chromium-browser with multiple tabs and zoom.
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| 07:28 | <alkisg> If you exhaust RAM, you need to buy more RAM
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| 07:29 | <NecTal> That is one possibility yes.
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| 07:29 | <alkisg> What are your server specs, CPU and RAM?
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| 07:31 | <NecTal> AMD FX(tm)-6300 Six-Core Processor and 16gb of ram.
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| 07:31 | <alkisg> And how many clients?
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| 07:31 | <NecTal> 7.
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| 07:32 | <alkisg> https://www.cpubenchmark.net/cpu.php?cpu=AMD+FX-6300+Six-Core&id=1781 has 4039 score, and with 16 GB RAM it's not something special
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| 07:32 | 7 clients with 4 GB RAM each => 32 GB RAM, they already have more
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| 07:32 | So you wouldn't get any benefit by using remote desktop to the server anyway, it would be worse
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| 07:33 | <NecTal> Okay.
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| 07:33 | <alkisg> So if you need more RAM, just buy more RAM, LTSP can't make Linux need less RAM, it's just using Linux
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| 07:33 | 7 clients with 4 GB RAM each => 28 GB RAM, they already have more ==> meh I need more coffee, 28 not 32 :D
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| 07:35 | <NecTal> Okay. I will try with more ram. I think 8gb should be safe.
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| 07:35 | <alkisg> Maybe you could even move some from the server to a client
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| 07:35 | If they're compatible
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| 07:36 | <NecTal> Right now it seems that server doesn't need as much ram as it use to need.
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| 07:36 | <alkisg> Are you using the server as a client too?
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| 07:36 | *for desktop logins
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| 07:36 | <NecTal> No.
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| 07:36 | <alkisg> Then 4 GB should be fine for the server
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| 07:37 | <NecTal> Okay.
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| 07:37 | <alkisg> You could even swap the server disk and put it to a client
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| 07:37 | And use your server as a client instead
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| 07:37 | The server doesn't need a lot of CPU/RAM
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| 07:38 | <NecTal> Okay.
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| 11:30 | <eu^451222052> Hello everyone. I have a problem with LTSP 20.04 chrootless client. I have configured /etc/ltsp/ltsp.conf SCREEN_07=xfreerdp, but it's booting into shell. If i manually do xfreerdp 172.x.x.x from xterm then it works. Any ideas?
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| 12:39 | <Teridon> if I modify ltsp.conf, do I have to regenerate the image?
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| 12:40 | <eu^451222052> ltsp initrd
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| 12:40 | no need to regenerate
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| 12:41 | <Teridon> thx
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| 12:41 | <eu^451222052> *if chrootless
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| 12:43 | <Teridon> I'm... mostly.. chrootless. The gov't makes me separate the partitions (/var, /home,, /var/log, /boot, / (etc...) all on separate partitions)
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| 12:43 | so right now I'm making my image with == ltsp image /,,/boot,subdir=boot,,/usr,subdir=usr,,/var,subdir=var
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| 12:44 | <eu^451222052> yeah, then you\re fine with ltsp initrd
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| 12:44 | after modding ltsp.conf
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| 12:47 | <Teridon> again, thank you. I'll confirm for anyone reading the logs that running `ltsp initrd` did indeed work (changes to ltsp.conf were indeed applied to the client)
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| 12:53 | <Teridon> If I wanted to add multiple lines to GDM3_CONF or LIGHTDM_CONF, how would I do that?
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| 12:54 | line continuation with \
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| 12:54 | ?
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| 12:54 | eu^451222052 is now known as Ted334 | |
| 12:56 | <alkisg> Teridon: You can continue without \
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| 12:56 | VAR="line1
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| 12:56 | line2"
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| 12:56 | <Teridon> cool, ty
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| 12:56 | <alkisg> Ted334: eerrm, the new LTSP doesn't have SCREEN_x parameters at all
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| 12:58 | <Ted334> okay, ty... but how do i get it to boot right into rdp session?
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| 12:59 | <alkisg> Ted334: it's the same as you'd do it in non-ltsp standalone workstations,
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| 13:00 | some methods are described in the wiki, https://github.com/ltsp/community/wiki/Single-guest-session-over-NFS
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| 13:00 | There are other pages there too, check for rdp to the menu to the right
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| 13:00 | Essentially it's autologin to a custom session
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| 13:01 | <Ted334> oh, thank you alkisg, I'll check it out :)
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| 13:01 | <alkisg> https://github.com/ltsp/community/wiki/xfreerdp
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| 13:01 | np
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| 13:28 | <Teridon> I just tested lightdm autologin-user in my LIGHTDM_CONF settings, and the client did indeed automatically login as that user. However, it does not mount the user's home directory. I assume this is because it needs the password to do the SSHFS mount(??). Can I somehow set this up with an SSH keypair?
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| 13:33 | <alkisg> Teridon: it's possible to provide the user password in ltsp.conf
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| 13:33 | <Teridon> I see, thanks
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| 13:36 | <alkisg> It's base64-encoded, see the ltsp.conf man page for an example
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| 13:36 | !ltsp.conf
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| 13:36 | <ltspbot> ltsp.conf: Configuration file for LTSP: https://ltsp.org/man/ltsp.conf/
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| 13:36 | <alkisg> EXAMPLES To specify a hostname and a user to autologin in a client: ...
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