I want to have in my machine user names like "name.lastname" or something similar including a dot in the user name. But the standard instalation of shrike don't let me add users with dots in their login. [root@machine root]# adduser name.lastname adduser: invalid user name 'name.lastname' Is it possible to change some configuration, or override the username rules to let me create usernames like the one I mentioned ?? Including a dot in it ??? I also tried using ladduser command and using it with the -n option to avoid creating the group for the user. I tried using quotes too and It didn't work. Thank you very much. I hope you can help me, I've searched and nobody conclude anything about this matter. -- Shrike-list mailing list Shrike-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/shrike-list