Linux for Troubleshooting - sudo

Sudo :

1. Root user - Critical operations are taken care.


2. sudo or su do


3. root binary setuid


4. /etc/sudoers - default sudo security policy pulgin - this file defines who can run what .

Why we need sudo ?

Risk - to avoid normal user changing the configurations.

Think before you type.

sudo su --> changes to root in the terminal --> sudo useradd techie

1. Lets give this user a root access


2. Important file is /etc/sudoers

1. sudo is more secure than …

binary care changing critical default etc file linux operations policy risk root run security security policy setuid sudo taken troubleshooting