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#26 2023-09-23 21:38:00
- hcjl
- Member
- From: berlin
- Registered: 2007-06-29
- Posts: 330
Re: [Solved] Login no longer possible after shadow update
Dear loqs & seth,
thank you very much for your help and patience. The problem was not with the /etc/pam.d/* files and eCryptfs but rather with the /etc/shells.pacnew provided by the new filesystem package. I merged them and overlooked the zsh entries which are not included in the new file. Since I use zsh as a shell, this led to disaster.
Thanks again & I owe you a beer. I'll set the post to solved.
Cheers hcjl
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#27 2023-09-23 21:47:04
- schard
- Forum Moderator
- From: Hannover
- Registered: 2016-05-06
- Posts: 2,129
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Re: [Solved] Login no longer possible after shadow update
Misery loves company: https://bbs.archlinux.org/viewtopic.php … 1#p2117141
Inofficial first vice president of the Rust Evangelism Strike Force
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#28 2023-09-23 21:52:51
- hcjl
- Member
- From: berlin
- Registered: 2007-06-29
- Posts: 330
Re: [Solved] Login no longer possible after shadow update
@schard: But at least you have not wasted the time of others ;-)
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#29 2023-09-24 07:36:27
- mongaikan
- Member
- Registered: 2023-03-08
- Posts: 1
Re: [Solved] Login no longer possible after shadow update
@schard: But at least you have not wasted the time of others ;-)
Well you certainly didn't waste mine since I had just the same issue with a comparable setup (fscrypt instead of ecryptfs) and started by downgrading pam and shadow before luckily stumbling on your thread and realized I too merged by mistake /etc/shells without including zsh as allowed login shells.
If anything you've just saved me hours of troubleshooting and made my day 
Cheers mate!
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#30 2023-09-24 07:51:52
- seth
- Member
- Registered: 2012-09-03
- Posts: 59,882
Re: [Solved] Login no longer possible after shadow update
I was about to say that maybe three years from now some random dude…
We also all learned that pam_shells fails pam completely silently on invalid shells (which seems a bug? it tells you when something's off w/ the etc/shells file, just not that your shell isn't in there and I don't see what sensitive data would get exposed by that) and can set a mental note for "inexplicable PAM failures"
And we learned that the smart way to merge /etc/shells is always "mine".
And we've learned that working around decade old bugs is maybe a bad idea.
All in all, there was much to learn from this thread 
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