Can I have dhcp running when setting up the server system?

No, You will need to turn off DHCP when installing Karoshi as the main authentication server provides DHCP by default, you can then once the installation is complete decide if you would like your main Karoshi server or another device to supply your DHCP information.

''I'm reluctant to be the first entry here as I don't know Karoshi very well and only have limited time to dabble. Hopefully someone will convert this forum-like entry into a proper FAQ response.''

I set up Karoshi as an alternative boot on a PC at work without realising that the existing DHCP would kick-in and then get thrown away (no I didn't RTFM first!) and be replaced by the fixed 172 address.

Anyway, once I'd gotten over the culture-shock that this was designed to be a sort of "turnkey" system and thus not designed to just hang onto an existing network, I had another go. I figured how to get to the internet via our wretched proxy system by adding an eth0:0 thingy and allocating the non-172 address the Windows PC I'd hijacked was regularly using [it was a reserved fixed address rather than dynamic so I wasn't going to generate a clash there with the rest of the Windowsland system].

So I smugly started experimenting with my Karoshi system until the caretaker kicked me out.

Next morning, a few PCs had "a problem" - and that was resolved (apparently) by powercycling some network switches.

Then some laptop accesses were failing.... Fortunately, I was tasked with the investigation and the penny dropped when I noticed the 172 addresses allocated via the wireless access points. OOPS!

SO, I unplugged my little Karoshi system with its active DHCP server and rebooted the Access Points. Not surprisingly, the proper DHCP server did its stuff then.

If they ever read this a) I'm impressed  b)...SORRY :-{

Mark p.s. I'm just installing Karoshi under M$oft Virtual PC 2007 at home for a laugh