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


Channel log from 17 February 2020   (all times are UTC)

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03:57
<alkisg>
hank7: I'll be available in 2-3 hours, if you're still around I'll be able to help then
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06:38
<alkisg>
hank7: ping me if you want help
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12:00
<Tottle>
Hello,
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12:00
<Tottle>
Hello,
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12:02
<Tottle>
Hello,I want to report, that when I type e. g. 'sudo echo "Test"' into my terminal at a ltsp computer and than CTRL-C than I got a segementation fault. Could this be an potential security risk or is this normal due to some e. g. ssh internals?
12:23
<alkisg>
Tottle: strange, I don't think anyone has reported anything like this
12:23
Tottle: does this happen on the ltsp server, or on a client?
12:23
Also, which ltsp version?
12:37
<Tottle>
This happens only on the client. The version that I'm using is the default Ubuntu 18.04 apt version:
12:37
$ dpkg-query -W ltspltsp 20.01-1~202001301202~ubuntu18.04.1
12:44
<alkisg>
Let me test here...
12:50
Tottle: yes, it happens on sshfs but not on nfs (which I use so I haven't seen that)
12:50
I believe it's a bug with sudo and locks on sshfs
12:50
It should be reported there
12:51
<Tottle>
Ok, yes I'm using sshfs. Will you create an github issue
12:52
<alkisg>
No
12:52
It needs to be reported in sudo and sshfs, not in ltsp
12:52
We cannot solve that from the ltsp side
12:53
<Tottle>
Ah ok
12:53
<alkisg>
I don't know where sudo maintains its code and bug tracker
12:53
You'd need to report it there
12:54
<Tottle>
Ok did you know which line of sudo/sshfs code or code segment this comes from in ltsp
12:54
<alkisg>
There's no code for that in ltsp
12:54
<Tottle>
Ok
12:54
<alkisg>
ltsp doesn't have the "sudo" word anywhere in its code
12:55
<Tottle>
ok
12:55
<alkisg>
It's like using libreoffice and finding a bug; ltsp doesn't have "libreoffice" anywhere in its code either
12:56
<Tottle>
Ok, i thought it could have something to do with ltsp (or ssh in ltsp, now)
12:57
<alkisg>
The same thing would happen if you used sshfs for /home in any pc
12:57
So it's either a bug in sudo or in sshfs
13:00
<Tottle>
Ok, I will further investigate and report it
13:00
<alkisg>
Great
13:00* alkisg tests a bit too...
13:16
<alkisg>
Tottle: the problem might be "sudo on nfs", and not "sshfs or home related"
13:17
I don't have enough time now to look into it more
13:26
<Tottle>
Ok so at the moment this is nothing that breaks something up, it's only strange. If I have time, I will also look further. Thank you for your time!
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16:19
<eu^5252118115>
Hello!I try to create users but the system swears /usr/share/ltsp/client/login/pamltsp:181/u no further visibleWhat to do?
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17:13
<alkisg_web>
eu^5252118115 press ctrl alt f1 and try to login there
17:13
And tell us the error message
17:17
Better ctrl alt f2
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17:49
<eu^5252118115>
Yes! Says that sshfs: not found
17:51
How to create? I'm just setting up the first time
17:59
<alkisg>
eu^5252118115: did you follow the installation page?
17:59
!install
17:59
<ltspbot>
install: To install LTSP: https://ltsp.org/docs/installation/
18:00
<alkisg>
eu^5252118115: the --install-recommends there is supposed to install sshfs for you
18:00
If you're using linux mint and you didn't use --install-recommends, then that was the problem
18:03
<eu^5252118115>
Yes linux Mint use -install-recommends
18:03
<alkisg>
eu^5252118115: dpkg -l sshfs
18:03
On the server. What does that show?
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18:08
<eu^5252118115>
sshfs 2.8-1 amd64 filesustem client based on SSH Fi
18:08
<alkisg>
eu^5252118115: did you run `ltsp image` after you installed sshfs?
18:08
Why isn't it available on the client?
18:09
Are you using a VM, or chrootless?
18:09
If you're using a VM, then you need to install LTSP in the VM too
18:14
<eu^5252118115>
I use VirtualBox VM thanks. It’s just that on my native system I had a IP conflict
18:16
Systems are identical only in downloadable no LTSP
18:17
As I understand it, put LTSP without setting
18:20
Thanks
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