How to create a user in CentOS and give sudo access

To create a user in CentOS follow these steps

1. You must be logged in as root to add a new user

2. Issue the useradd command to create a locked account

useradd <username>

3. Issue the passwd command to set the password of the newly created user

passwd <username>

This will you prompt you to enter the password of the newly created user


4. To give the user sudo access you need to add  the user to wheel group 

To do this issue the command : visudo 

To be able to add a user to the wheel group you must uncomment the line ie

#%wheel   ALL=(ALL)   ALL

 to

%wheel   ALL=(ALL)   ALL

5. Adding the newly created user to wheel group

usermod -G wheel  <username>

6. Finished  - Your user now has sudo access !! enjoy !!