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/tmpdirectory.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:
ALLSpecification:
ALL
Edit the entry in the
/etc/sudoersfile 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:
ALLPrivilege:
ALLSpecification:
ALL
NOTE:Only use this option with
Defaultstargetpwon all systems.When using SSH keys for login credentials combined with sudo, edit the entry in the
/etc/sudoersfile so that the system does not ask for the user password as follows:User:
sudo_userPrivilege:
ALLSpecification:
NOPASSWD:ALL