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Requiring user password when switching (su) from root to regular user

T

tontod

Diamond Member
Normally, when you su (as root) to a regular user, a password is not needed. However, I was wondering if there is a way in linux to force a password request when "su-ing" from root to a regular user?
 
Kinda, if you edit /etc/pam.d/su you can take out the pam_rootok.so line and it'll prompt you. However, that's only as good as a gentleman's agreement since root can edit that file or even just change the users's password.

If you don't want people using su to become other users, don't give them the root password and setup sudo to only allow them to run a certain subset of commands as root.
 
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