On Wed, Jan 19, 2011 at 7:58 PM, John Lumby <johnlumby@xxxxxxxxxxx> wrote: > > Is there any supported way of telling udev never to create, append or alter my /etc/udev/rules.d/70-persistent-net.rules ? > It appears that by default a script called /lib/udev/write_net_rules will always do so, > although I can't find this documented anywhere other than inside the /etc/udev/rules.d/70-persistent-net.rules. > > The reason I want to prevent this is that I have one special requirement: > that any net interface that is named eth0 by the kernel must never be renamed. > (This is for ensuring that running root over nfs works without hiccup). > I can specify this restriction in my /etc/udev/rules.d/60-net.rules by > SUBSYSTEM=="net", .... , KERNEL!="eth0", NAME="eth[n]" > which works -- but then along comes /lib/udev/write_net_rules and creates or appends > /etc/udev/rules.d/70-persistent-net.rules with conflicting specifications. > > So I want to stop it from doing that. The only way I have found is to edit this script > and change the string "/etc/udev/rules.d/70-persistent-net.rule" to "/tmp/70-persistent-net.rules" > but I suppose that change gets wiped out whenever I upgrade the software. > > Is there any properly supported way of specifying this? > /lib/udev/rules.d/75-persistent-net-generator.rules should not call write_net_rules if NAME is already set, so KERNEL=="eth0", NAME="eth0" may do the trick. -- To unsubscribe from this list: send the line "unsubscribe linux-hotplug" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
