Re: [gentoo-user] Emerged world, now can't su

[Mike Payson]

Dirk Raeder wrote:
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If that doesn't work, then I would re-emerge shadow (which provides
su) and pam.
     

I missed this bit the first time round, but I just tried re-emerging
shadow & pam & I'm still having the same problem. There's nothing dumb
that I might have missed is there?
   

Login as root and check /etc/group. Make sure the user who should su is in
group wheel.
During your last update every user lost his secondary groups (stored in
/etc/group), and su only works if you're in group wheel.
 

That was it! But now I'm confused... All along, id showed that I was in 
wheel:

uid=1000(mike) gid=100(users) groups=100(users),5(tty),10(wheel),18(audio)
In addition, I couldn't su to another normal user, though I can now. Can 
only wheel users change to other normal users as well?

Ok... a bit more digging... I take it id reads it's groups from the 
gshadow file, but that su only looks in the groups file... That seems 
like a bug to me-- or is there method behind the madness?


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