Prerequisites for using Linux sudo credentials
Provide one of the following:
Username and password
Username and SSH key file path (in PEM format)
Give the sudo users write access to the
/var/tmp
directory.For sudo users, add the user to the /etc/sudoers file. The following shows the privileges and specifications for users.
User:
<Sudo_user>
(the actual name of the user account)Privilege:
ALL
Specification:
ALL
Edit the entry in the
/etc/sudoers
file so the system asks for the sudo user password instead of root user password when you run the sudo command.The following shows the privileges to comment or remove from
/etc/sudoers
.User:
ALL
Privilege:
ALL
Specification:
ALL
NOTE:Only use this option with
Defaults
targetpw
on all systems.When using SSH keys for login credentials combined with sudo, edit the entry in the
/etc/sudoers
file so that the system does not ask for the user password as follows:User:
sudo_user
Privilege:
ALL
Specification:
NOPASSWD:ALL