On 07/29/2010 10:05 AM, Robert Nichols wrote: > On 06/28/2010 02:33 PM, Robert Nichols wrote: >> I am trying to set up dnsmasq as a local resolver cache on my F-12 >> laptop, and can't find any way to pass the nameservers returned by DHCP >> to dnsmasq as upstream nameservers and still have 127.0.0.1 appear as >> the primary nameserver in /etc/resolv.conf. >> >> NetworkManager creates a resolv.conf file that contains only the servers >> returned by DHCP. That does not allow queries from local processes to >> be routed through the local caching resolver. >> >> Without NetworkManager, I would just put a line in dhclient.conf to >> prepend "127.0.0.1" to the list of nameservers returned by DHCP. >> dnsmasq would then read resolv.conf, nicely ignore that entry, and use >> the other nameserver entries as upstream servers. NetworkManager always >> invokes dhclient with a custom config file that is created anew for each >> invocation, and gives no means to add this customization. >> >> If I configure NetworkManager to put "127.0.0.1" as a nameserver in >> resolv.conf, then _only_ that nameserver will appear, and dnsmasq has >> no way to discover the upstream servers. > > FWIW, I've written a C program that makes this work. The program sets > up a file alteration monitor on /etc/resolv.conf. Whenever that file > changes, the code ensures that "127.0.0.1" is the first nameserver > listed there and passes the upstream server addresses to dnsmasq. A > short script in /etc/NetworkManager/dispatcher.d makes sure this program > is running whenever a network interface is started. I believe it's > pretty bulletproof, and most of its configuration can be overridden from > the command line. > > Source is available from > > http://rnicholsNOSPAM.home.comcast.net/resolvtrac.tar.gz Word from the developers is that one of the goals for NetworkManager 0.8.2 is support for a local caching resolver. That should eliminate the need for my workaround. -- Bob Nichols "NOSPAM" is really part of my email address. Do NOT delete it. -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines
