-# WARNING: This allows the unprivileged grml user to start commands as root
-# WARNING: This is totally insecure and (almost) makes grml a second root account.
-# WARNING: Never allow external access to the grml user!!!
-grml ALL=NOPASSWD: ALL
+# WARNING: This allows the unprivileged $USERNAME user to start commands as root
+# WARNING: This is totally insecure and (almost) makes $USERNAME a second root account.
+# WARNING: Never allow external access to the $USERNAME user!!!
+$USERNAME ALL=NOPASSWD: ALL