DokuWiki - system:util https://wiki.nwl.cc/ 2026-04-30T01:39:17+00:00 DokuWiki https://wiki.nwl.cc/ https://wiki.nwl.cc/_media/wiki/dokuwiki.svg text/html 2008-12-30T14:52:01+00:00 Anonymous (anonymous@undisclosed.example.com) gpasswd https://wiki.nwl.cc/system/util/gpasswd?rev=1230648721&do=diff gpasswd Advanced group handling via gpasswd: set password, administrators and members of groups. Add user “test” to group “grp1”: gpasswd -a test grp1 The user “test” can then join the group from existing sessions using newgrp: newgrp grp1 text/html 2008-01-24T01:56:44+00:00 Anonymous (anonymous@undisclosed.example.com) su https://wiki.nwl.cc/system/util/su?rev=1201139804&do=diff su Useful things about the set uid command. su to root To allow users to run su - to gain root, they have to be in the group wheel.