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


Channel log from 23 February 2019   (all times are UTC)

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17:17
<umhello>
G'day everyone. I am having some issues. I installed LTSP and built a client, but on PXE boot I get an error. Can anyone help? pic related: https://i.imgur.com/2ixxbO0.png
17:20
<alkisg>
umhello: distro/version/howto that you followed?
17:20
Start with: sudo ltsp-info | nc termbin.com 9999
17:22
<umhello>
18.04 lts
17:22
the official tutorial was followed
17:22
except with the option of --fatclient-desktop lubuntu-desktop in ltsp-build-client
17:23
the command says No LSB modules are available.
17:23
<alkisg>
The command also says a termbin.com/qwer url
17:23
That's what is needed
17:23
<umhello>
ah yes one sec
17:23
https://termbin.com/5rly
17:24
<alkisg>
OK first of all you don't have the ppa in your chroot
17:24
ltsp-client 5.5.10-1build1
17:24
ltsp-server 5.18.04+t201809080524~ubunt
17:25
<umhello>
yeah I think I might not have it is that a problem
17:26
<alkisg>
Yes
17:26
But not the one you show in the screenshot
17:26
Did you run all the steps, configure dnsmasq and all?
17:26
Are you using proxydhcp or read dhcp?
17:26
Describe your setup a bit more
17:27
*real
17:28
<umhello>
so uh just now I did the ltsp-config dnsmasq--noproxy-dhcp thing with the wget
17:28
from the tutorial
17:28
and restarted network-manager
17:28
same error still
17:29
also I kinda have no idea what the diff between proxydhcp and read dhcp is
17:29
but basically what my setup is
17:30
so I have this server on digitalocean (which I connect to directly through openvpn, allowing for dhcp)
17:30
and I need to use a virtualbox machine to use it for pxe boot
17:30
the dhcp technically works since it's not endlessly loading but I see the error
17:30
but the fact the error is a thing is a problem :D
17:35
any ideas on what could be done :/
17:42
alkisg?
17:48
any other information I could supply that could help?
17:51
also offtopic but when will the website be back up
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17:58
<alkisg>
umhello: I didn't understand your setup
17:58
You have a remote server and a VM client inside that remove server?
17:59
Why don't you test ltsp locally first, so that you understand how it works, before trying fancy stuff?
17:59
<umhello>
yeah I think I kind of realized I might of messed up the pxe part by using nat
18:26
currently wondering though
18:26
it is possible to use ltsp on a remote server right
18:27
like, have a computer from another ip connect to a server with ltsp and use it as a fat client
18:28
<alkisg>
umhello: this makes no sense, you need lan bandwidth for that
18:28
Use x2go or rdp for remote servers
18:29
If/when houses get gbps connections to the internet, then it might be doable
18:32
<umhello>
so x2go can be then used for a fat client like setup right
18:32
cause basically I'd need to have remote fat clients, and been thinking if that can be done with ltsp
18:33
<alkisg>
umhello: do "fat clients" mean "netbooted operating system" for you?
18:34
x2go is "remote desktop, from a local disk/os to a remote pc"
18:34
What do your clients have? E.g. if they have windows already, then use x2go/rdp, not ltsp
18:35
Describe your hardware and the connections involved. How many clients, how many servers, how many users, bandwidth, existing OS etc
18:38
<umhello>
well kind of. the idea was to use virtual machines that could connect to the server with ltsp since it allows for having each user access their files on the vm and also have the list of applications and stuff like that they would have centralised
18:39
so a netbooted os that would be used as a fat client is a nice thing to have
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18:53
<alkisg>
umhello: so you're playing with some idea, or are you trying to deploy something specific to your computer labs etc?
18:54
<umhello>
both really
18:55
<alkisg>
OK, please answer the questions above then...
18:55
How many users, bandwidth, etc etc
18:56
I answered the idea part, "bad idea", but maybe something in your specific situation isn't exactly like I think it is, and it might help you
18:57
<umhello>
bandwidth - 1 tb on the server per month for now but that's because it's in testing. the internet is pretty fast here so that's not a problem
18:58
users - at the moment a few, but would be increased into 10+ later. the idea was basically to use this as a working environment
18:58
like, remote work environment.
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19:06
<alkisg>
is your internet speed 100 mbps? 10 mbps? 1000 mbps?
19:08
<umhello>
~100 if connected to the server over vpn
19:11
<alkisg>
umhello: how are the clients going to boot over vpn?
19:11
They need an OS first, to get vpn
19:12
<umhello>
well, the idea was to use virtual machines as the working environment
19:12
so the host os would be connected to the vpn
19:15
<alkisg>
If you already have an OS, why on earth would you NETBOOT another os?
19:15
Instead of just remote desktoping into it?
19:15
What is the host os, windows, linux?
19:17
<umhello>
remote desktoping into it would be more resource intensive for the server though
19:19
<alkisg>
You'd need 1 gbps ram per client or so
19:21
Imagine this
19:21
Loading libreoffice needs 150 mb
19:21
That's megabyte, not megabits per second or anything else
19:21
So, suppose that 10 users need to open libreoffice
19:22
That means that they'd need to download 1.5 GB from your server
19:22
Time it. In how much time can your server send 1.5 GB? E.g. in 1 minute?
19:22
Is it acceptable for libreoffice to open in 1 minute?
19:22
Then ok
19:23
I think that you'd need a script for local synching of the VM
19:23
That way, your / would be local, and your /home remote
19:23
That would save a lot bandwidth, and would be rather acceptable
19:27
<umhello>
~1 min
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