Tracking Down Ubuntu BASH Session Closing
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@JaredBusch said in Tracking Down Ubuntu SSH Session Closing:
@scottalanmiller said in Tracking Down Ubuntu SSH Session Closing:
When you sudo to root (aka sudo -i su) it literally types in "exit" and you drop to your user after X seconds. Then as the user, it types "logout" in your session and the session drops.
have never even heard of something like this.. how the hell would anything type characters into your sessions.
IKR? It's really odd.
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@IRJ what's odd here is that it will time out as you are typing. So it isn't a timeout in the normal sense. You can run a command, and run another say within one second. Literally that fast. And it might kick you in between.
And when it does, it puts "logout" into the session.
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Just tested one and I logged in and within two seconds it had logged me out again.
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@scottalanmiller said in Tracking Down Ubuntu SSH Session Closing:
Just tested one and I logged in and within two seconds it had logged me out again.
Could it be some strange cron job or something? Or did this start after a system upgrade?
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Can you scp files?
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I would try to download some config files so I could look at them
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@IRJ said in Tracking Down Ubuntu SSH Session Closing:
Can you scp files?
I'm sure that I can. I'll get some.
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@dafyre said in Tracking Down Ubuntu SSH Session Closing:
@scottalanmiller said in Tracking Down Ubuntu SSH Session Closing:
Just tested one and I logged in and within two seconds it had logged me out again.
Could it be some strange cron job or something? Or did this start after a system upgrade?
Could be, definitely. But I looked and haven't found one.
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Created a new user from scratch. Same issue just seconds after first login.
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I'm pretty sure that it is not SSH related, because sudo sessions get closed, too.
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I've switched my shell to zsh and so far, no logouts.
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If I use zsh, I'm good. If I enter BASH from zsh, I get kicked out after several seconds. Definitely is something to do with BASH.
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@IRJ TMOUT variable never appears in /etc
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I manually set the TMOUT variable to 0 to disable it, and it still happens. So that is not what is being used.
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Tried disabling AppArmor, but that did nothing.
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Try this command first to bypass bash settings
ssh -t <host> dash -
@IRJ said in Tracking Down Ubuntu BASH Session Closing:
Try this command first to bypass bash settings
ssh -t <host> dashUsing ZSH is what I am doing, works fine, too.
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@IRJ said in Tracking Down Ubuntu BASH Session Closing:
https://askubuntu.com/questions/404424/how-do-i-restore-bashrc-to-its-default#404428
Pretty confident that it is none of those. They are all vanilla.
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@IRJ brand new users have the issue, too.
