Most irritating Leopard problem ever.
I have a custom hostname set on my machine, because “Ian-Eures-Computer” just doesn’t do it for me. Here’s how I have it set up:

This is what the hostname actually is right now:

Clearly, something is not right here. I’ve had it change to several different values, all names of public internet sites, seemingly at random. It makes no sense.

October 3rd, 2008 at 4:04 pm
I had the same problem, Ian.
Here’s the solution. As root, set hostname on the command line: hostname -s “your hostname”
That fixed my problem!
Cheers!
October 8th, 2008 at 2:46 pm
Yeah, I know how to set it back. It just sucks that I have to do it at all.
December 19th, 2008 at 2:20 pm
[...] the rocky upgrade to OS X 10.5.6, my favorite bug ever is significantly worse. Worse in that it gets changed multiple times a [...]