I'm running Fedora at home for about 2 months.
I'm still login as root (alway keep one window open as root), but I cannot login as root from another window and to another account
Also when i try run command as root su , I get the error message below:
[root@localhost root]# su
su: cannot set groups: Operation not permitted
About two weeks ago I open firewall.
Also, I know for sure that pasword for mike is 123456
[mike@localhost mike]$ su
su: incorrect password
When I try to login got the error message.
What can be wrong?