On 10/05/14 17:07, Chris Green wrote: > On Sat, May 10, 2014 at 12:07:59PM +0100, Chris Green wrote: >> I've been using dnsmasq for quite a while on a small server machine on >> my home network but that machine is now redundant really and I'd like >> to save the electricity it's using. >> >> So I'm going to move dnsmasq to my desktop machine (which is also a >> server and is powered up all the time). My desktop machine runs >> xubuntu 14.04 so has the default resolvconf setup where the resolver >> runs a cut-down dnsmasq and /etc/resolv.conv just points to 127.0.0.1. >> >> What's the 'right' way to install a full dnsmasq onto my system and >> make it use /etc/dnsmasq.conf for configuration etc.? I know I had a >> fairly hard time sorting it out on the system where it is now and I >> want to make the process as painless as possible! :-) >> > Well I decided I could probably muddle through and I seem to have > managed it fairly OK, I have attached my summary of how to do it (as a > Dokuwiki text file, easy enough to read). Would it be useful to add > this to the FAQ, it's an issue that comes up quite a lot in various > forums.
It would be good to put it somewhere. I'm not sure about the FAQ, which is fairly distrubution-agnostic. Let me think about that. > > It's not for the faint-hearted though, I'll make some comments here. > > >> Obviously I need to give my machine a static IP on my Lan, that's easy >> enough. >> > Yes, no need to set the DNS server(s) here, I don't think. > > >> At present there is dnsmasq-base installed (used by resolvconf), if I >> just install the dnsmasq package will it do the necessary so that >> it uses /etc/dnsmasq.conf etc.? >> > Yes, but you need to disable the NetworkManager dnsmasq by editing > /etc/NetworkManager/NetworkManager.conf to remove the dns=dnsmasq. > > >> Where do I specify the upstream DNS servers that dnsmasq should use? >> > In one or more files in /etc/NetworkManager/system-connections. > > >> Can I get dnsmasq to hand out a secondary/backup DNS server to DHCP >> clients so that if/when my desktop machine is turned off for upgrades >> or reboots it doesn't totally disable the other machines on the LAN? >> > I still want an answer to this one please. dhcp-option=option:dns-server,0.0.0.0,<ip of secondary DNS server> That sends two addresses as DNS servers in DHCP replies: 0.0.0.0 is replaced with the address of the machine running dnsmasq, and the second is the secondary. Cheers, Simon. _______________________________________________ Dnsmasq-discuss mailing list Dnsmasqfirstname.lastname@example.org http://lists.thekelleys.org.uk/mailman/listinfo/dnsmasq-discuss