On a linux box, how do I list all users that possess identical privilege to the superuser (and even better, all users in general along with if they are able to escalate their privilege to that level or not)?
Linux – How to list all superusers
linuxrootusers
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Best Answer
Don't forget to change the root password. If any user has UID 0 besides root, they shouldn't. Bad idea. To check:
grep 'x:0:' /etc/passwdAgain, you shouldn't do this but to check if the user is a member of the root group:
grep root /etc/groupTo see if anyone can execute commands as root, check sudoers:
cat /etc/sudoersTo check for SUID bit, which allows programs to be executed with root privileges:
find / -perm -04000