# Login as root - kill all your user sessions # You could also ssh-in as root usermod -l [newname] [oldname] groupmod -n [newname] [oldname] usermod -d /home/[newname] -m [newname] # Optional # usermod -c "[full name (new)]" [newname] # Verify id [newname] # Add a symbolic link to your old user for programs that use absolute paths to # still work ln -s /home/[newname] /home/[oldname]