On Mon, Dec 13, 2010 at 10:14 AM, MERIGHI Marcus <mcmer-open...@tor.at> wrote: > h...@stare.cz (Jan Stary), 2010.12.13 (Mon) 09:15 (CET): >> On Dec 13 12:01:58, OpenBSD Geek wrote: >> > I have 100 users in groups : clients, and ftp_group >> > How can i remove these 100 users from ftp_group ? >> > I have already try usermod, but it only add users to group, not remove. >> > Is there a way to achieve my task ? >> Sadly, no. These users will be members of these groups forever. >> There's nothing you can do about it. You can only reinstall. > > And do not forget to wipe your hard disk to make sure you have a clean > re-install! > > Jan, you just brightened my monday morning, thanks! > > On the more serious side and for the OP: how about the unix way of > combining simple tools to accomplish more complex tasks: > 1) use id(1) to get the groups > 2a) use sed(1) to get rid of the unwanted ones > 2b) use tr(1) to get a newline seperated list and grep(1) to get rid of > the unwanted groups. > 3) use tr(1) again to transform the new list to a format suitable for > usermod(8). > 4) feed ``usermod -G'' the new list. > > OR just ``vi /etc/groups''. > >
You're all wrong. We obviously need XML user databases.
