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


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

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08:45
<Eric3>
Hi guys. Using ltsp-pnp how can i configure my fat clients to use cups with my settings and ppd like a regular ubuntu client ? with ltsp chroot classic, i was configuring everything inside my chroot. But with pnp cleanup scripts remove printers.conf settings. I can remove 50-printers-conf cleanup script but is there a recommended way / good practise to achieve that goal ?
08:46
<alkisg>
You're supposed to port-forward the fat client printer on the server, and then setup the printer on the server itself
08:46
That way you can manage graphics driver installation etc with a GUI, not with a console
08:46
!jetpipe
08:46
<ltsp`>
jetpipe: (#1) Jetpipe -script has founded to be unstable in some cases. You can try C written (but limited) Jetpipe from GitHub https://github.com/bilange/jetpipe or switch it to USB/IP and use these scripts http://pastebin.com/Ltdi2TCL Support AIO devices as well., or (#2) jetpipe has a bug in some Ubuntu versions, to manually start it, put something like this in lts.conf: RCFILE_01="/usr/sbin/jetpipe /dev/usb/lp0 9100 &"
08:46
<alkisg>
RCFILE_01="/usr/sbin/jetpipe /dev/usb/lp0 9100 &"
08:47
So, you put that under a [mac-address] section, and then on the server you select add printer and put ltsp123.local there
08:55
<Eric3>
ok thank you
08:56
<alkisg>
np
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12:50
<mmarconm>
is there way to make a clean install using ltsp, without to make like a clone from orignal host ?
12:50
without the apps intalled on the original machine
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16:12
<Chap>
Hello! My fat clients think their hostname is different from the nameserver's hostname for them. Meaning, $ hostname on fat clients puts out ltsp415 and on the server the client's IP resolves to say host213. I've checked on the LTSP server in /etc/ltsp/dhcpd.conf and /var/lib/.../lts.conf and I can't see where hostname would be forced. Where are the places this could be set?
16:16
My server's dhcpd.conf does set ddns-hostname by pick(option host-name, second-option) so I'm guessing it's being requested by the fat client somehow... but I just can't find it!
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16:27
<alkisg_web>
Chap: what is your subnet mask? is it /24 or e.g. /16?
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16:29
<Chap_>
The incorrect hostname also shows in the bottom-right of ldm greeter on fresh boot so it's not fired by a login script
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16:31
<alkisg_web>
[19:26] <alkisg_web> Chap: what is your subnet mask? is it /24 or e.g. /16?
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16:34
<Chap_>
alkisg*: /16
16:34
And there are multiple subnets on this network
16:35
(clients are on a different /24 than the server)
16:40
I believe this is my fault, as I think I set this a *long* time ago, and it has propagated through updates we've made to dynamic dns
16:43
..but I just.can't.find.it! -- I thought ack-grep was my friend :(
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16:51
<alkisg_web>
Chap_: ltsp names are automatically set from the ip and the subnet
16:51
Normally the ltsp server doesn't know anything about the ltsp client hostnames
16:51
So, you declared them in /etc/hosts or in your dns server
16:51
And then you changed your subnet to /16, so the clients changed their hostnames, so now your /etc/hosts or dns is broken
16:52
So, just update your /etc/hosts or dns with the correct values
16:52
<Chap_>
alkisg_web: This has to be in the client tho right?
16:53
b/c the server's DNS looks a-ok (no reference to old name) and the server's /etc/hosts looks OK (no reference to old name)
16:54
<alkisg_web>
The ltsp client don't have disks. They can't store state.
16:54
All state is stored on the server
16:54
<Chap_>
Yes, I understand - by 'client' I mean 'image'
16:56
<alkisg_web>
No, the image doesn't have dns information that propagates to the server
16:56
Wait, maybe you're talking about epoptes?
16:56
How are you checking the client names?
16:57
<Chap_>
tty on fat client (ctrl+alt+f2) and $ hostname
16:57
<alkisg_web>
OK, that's what the client knows
16:57
<Chap_>
That shows the old one. On the server, who or w
16:57
<alkisg_web>
How are you checking what the server knows?
16:57
<Chap_>
which shows the new names
16:58
<alkisg_web>
Where did you put the "new names", in your dns server?
17:00
<Chap_>
New names handed out by /etc/ltsp/dhcpd.conf with a ddns-hostname = and then bind is updated when the lease is handed out
17:00
Yeah, new names are in bind
17:01
<alkisg_web>
OK, so to phrase your issue correctly, "your ltsp clients use autogenerated hostnames instead of the ones you defined in dhcp"
17:01
I.e., your dhcp is misconfigured
17:02
Go to a client vt1, and type ipconfig -n eth0 and see if the server sends the correct hostname or not
17:02
Run `locate ipconfig` to find it; it's somewhere in /usr/lib/klibc/bin/ipconfig
17:06
<Chap_>
Okay yeah! So ipconfig comes back with address, gateway, dns, domain but no hostname
17:06
<alkisg_web>
OK, so the solution is to configure your dhcp properly :)
17:06
Or just don't send the hostnames via dhcp at all, and put the correct hostnames in your dns,
17:06
i.e. the ones that are the same as the autogenerated ones
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17:09
<Chap_>
Ok. I'll look into reconfiguring dhcpd and handing out leases. Thank you alkisg_web!
17:09
<alkisg_web>
np
17:10
<Chap_>
I think I should continue to send hostnames as other clients (byod) get leases from this dhcp server
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