On linux with policykit, if you try to use most GUI-based administration tools over a remote connection, they refuse to authenticate.
I believe this is an issue with policykit (for example, system-config-firewall fails with the error
However, the documentation for how to
manage policykit rules is almost non-existant.
I'm a bit over my head here, and this is really a big deal for us, since the server I am working on is supposed to be run headless, and as it is, I cannot disconnect the monitor and properly administer it.
FYI, I'm using NX for remote admin, but it seems that the issue is present on NX, VNC, and tunneled X (
OS is CentOS 6.2.