Usermod

sudo usermod -aG sudo YOUR_USERNAME

usermod -a -G YOUR_GROUP YOUR_USERNAME

usermod -s /usr/sbin/nologin myuser
ssh and scp will fail

groups USERNAME

Related commands

• passwd
• groups
• Passwordless sudo

See also

• sudo, id, visudo, useradd, userdel, usermod, groups, passwd, chown, chmod, chgrp, groupadd, groupdel, Passwordless sudo, passwd (package), sudo --help