how to restrict users not to login to root by using sudo -i and sudo su - and other if exists
34185
Preventing other users from viewing my files
77181
How do I log out of `sudo su`?
157360
Is there ever a good reason to run sudo su?
5997
Run only parts of a script as sudo, entering password only once
138135
Linux - Protection from ourselves (Root)
90669
How to make super-user permissions last longer than using sudo?
27714
How do I drop root privileges in shell scripts?
111479
How do you keep the password hidden when invoked during the su command?
124795
sudo does not ask for password
13004
How to make Fedora user a sudoer?
8605
How to run a specific program as root without a password prompt?
81334
What's exactly the point of the sudo command, in terms of security?
97481
How do I disable remote SSH login as root from a server?
37502
Does disabling root login enhance security?
6606
Exit from both root and user with one command
4227
How do I login as root?
125940
sudo with password in one command line?