[arch-general] /etc/resolv.conf and /etc/resolc.conf.tail

[RedShift]

timetrap wrote:
> Hi, this is my first message to arch-general.
> 
> I have been helping a user on the forums who needs multiple search 
> domains in his /etc/resolv.conf file.
> 
> His original question was this:
> 
> "Our DHCP isolates clients to a separate subnet than the servers. As 
> such, unless you fully qualify the server name, you can't find the 
> server. A work around is to put the IP in the hosts file, but there are 
> just too many servers to do that with. Another option is to add the 
> search domain(s) in the to the end of the search line in resolv.conf, 
> however that file is re-written by dhcpcd, so changes are quickly lost.
> 
> Is there a way to add on search domains to what DHCP hands your system?"
> 
> 
> I have done some research and found that the BSDs have a particularly 
> nice solution to this;  /etc/resolv.conf.tail
> 
> Basically, it does this:
> 
> #!/bin/bash
> 
> if [ -f /etc/resolv.conf.tail ]; then
>    cat /etc/resolv.conf.tail >> /etc/resolv.conf
> fi
> 
> 
> I am still new to arch, and I don't know who exactly deals with this 
> portion of the distro. Is this something that can be made standard? It 
> seems like a very simple fix. Very useful too.
> 
> Here is the forum posting: 
> http://bbs.archlinux.org/viewtopic.php?pid=388345#p388345
> 
> 
> --timetrap

Something like that is totally unecessairy. That's why we have /etc/conf.d/dhcpcd. Also see man dhcpcd.

Glenn