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2answers
728 views

How to disable X Window on startup

How do I disable X Window system on Fedora 11 box from startup at boot time ? Since host is used as a server and not as a desktop I'd like not to waste limited memory resources on X and Gnome.
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vote
6answers
8k views

How to completely disable IPV6 on Mac OS X (10.5 +)?

I'd like to avoid my Mac OS X machine from using ipv6 at all. I'm looking for a programmatic way to disable ipv6 on every network interface and, possibly, to avoid ipv6 support by the kernel at all. ...
2
votes
9answers
7k views

Disable su on machine

Is there a way to allow su only for specified users (like using visudo for sudo). The reason for this is I'd like to keep a simple (weak) password for my root account and have accounts that can ...