Re: F9 nfs, rpcbind, NetworkManager

[Gerry Reno <greno@xxxxxxxxxxx>]

Dan Williams wrote:

Since the DNS info is not necessarily global to the entire machine, but
can be per-device, you probably want to define DNS servers and search
domains directly in the ifcfg files as is done for PPP connections
already.  Updated versions of NetworkManager will place a note
in /etc/resolv.conf pointing this out if it can't find any DNS servers.

The problem is that resolv.conf is transient.  It's created from a
_composite_ of the DNS information from multiple connections.  For
example, if I'm on a VPN, I need the nameservers for both my normal
(eth0) connection and the VPN connection, but the VPN may only resolve
names for the private network, not the internet as a whole.  But I
certainly don't want the VPN nameserver listed in resolv.conf when I'm
not connected to the VPN.  That sort of thing.

Dan

  

Well, I would think in this scenario of supporting per-device name resolution that /etc/resolv.conf would act as a 'global' db and the /etc/sysconfig/network-scripts/ifcfg* files would be the per-device db.  But NM should not just erase your /etc/resolv.conf.  That's just wrong.  You fill in all the info it its gui and then save and then sometime later at some random time it just decides its going to erase /etc/resolv.conf.  Very bad.  Besides, I have many tools/scripts that work against /etc/resolv.conf and of course I would have to rewrite these if I wanted them to support per-device dns.  But I shouldn't have to if I only want a global dns nameserver db in /etc/resolv.conf.

Regards,
Gerry

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