Peter Horst wrote: > Adalbert Prokop wrote: >> Peter Horst wrote on Sunday 30 September 2007: >> >> > I have a Fedora machine I'm using as a home server, without a keyboard >> > or monitor. I'd like to set it up such that upon rebooting it first >> > checks to see if there is a DHCP server on the network, and if so, >> > grabs an ip address from it. But if there isn't one, it assigns itself >> > a static address. Is this doable? >> >> Yes, it's possible, but I agree with Jacques and Ed, that it is not >> desirable. A server should use a static address. So much for an advise. >> >> What you want is possible using dhclient hooks. Those are scripts >> called by dhclient. Depending on the status dhclient provides to them >> they can do anything a script can do. "man dhclient-script" is your >> friend. >> >> I use those scripts on my notebook to setup IPv4LL addresses (local >> link adresses, 169.254.0.0) if there is no DHCP server available. >> Together with Avahi they make ad-hoc networks really easy. >> >> I attach both dhclient-hooks as example how to use hooks. They both >> live in /etc and should be executable. >> > [Warning: second question attached :-) ] > > Thanks for all the help and advice - sorry, I could have described the > situation better - the actual problem I'm trying to solve here has to do > with trying to find a wireless router that I can use with my Linux > server (with a static address). > > I used to have a Linksys WRT54GX4, which was great until it stopped > working, and I had to spend hours on the phone with customer service > reps dumber than me, and the RMA replacement arrived DOA. The Linksys > had the ability to function as a switch (wrong word?) - that is, it > would pass traffic straight through to two machines on my internal > network, both of which had static, public IP addresses - one, the > server, connected via CAT5, and the other, a Windows laptop, connected > wirelessly. > > Because of the customer-services & quality-control issues Linksys was > having, I tried switching to a Zyxel X-550 wireless router. > Unfortunately it does not seem to have the ability to cope properly with > public IP addresses on my internal network. > > So I thought that if it were an simple matter to configure my Linux > server in the way I've described, it would make the (temporary) process > of fiddling around with various bits of networking equipment easier. > > So, all that being said, do you have any technical recommendations? > Hope I have adequately described the problem... > > Thanks - > A temporary fix might be to set the server as a DMZ host - it would respond to the IP address the router is using. It would not help with a static public IP for the laptop. Mikkel -- Do not meddle in the affairs of dragons, for thou art crunchy and taste good with Ketchup!
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