How to get Superuser Privileges in Ubuntu
How do you run a command with the root privileges in Ubuntu Linux? To run a command as the root, you need to have superuser privileges.
To get root privileges you need to be a member of a sudo admin group. To check if you are a member of sudo group, Type:
groups | grep sudo
If you belong to sudo group, then you can run Linux commands with sudo keyword in front.
sudo apt-get update
When prompted to sudo password, type your own user password.
How to Give Superuser Privileges to a user in Ubuntu
To give superuser power to a user, add the user to the sudo admin group.
usermod -a -G sudo username
To remove a user from the sudo group, use the gpasswd command:
gpasswd -d username sudo