server/cloud: please try systemd-networkd

[Martin Pitt]

Hello all,

The server/cloud teams asked for making systemd-networkd available for
Ubuntu [1], as it's an interesting alternative for ifupdown for
server/cloud/snappy kind of workloads.

networkd by itself has worked for a long time, but with 225-1ubuntu4
(which just hit wily) it is now reasonably well integrated into the
distro:

 - Bringing interfaces up/down now runs the
   /etc/network/if-{up,post-down}.d/ hooks (like NetworkManager, and
   of course ifupdown itself)

 - This now works together with resolvconf, i. e. "nameserver"
   information is pushed into /run/resolvconf/resolv.conf. networkd is
   meant to work with systemd-resolved, which does a similar dynamic
   resolv.conf management, but without all the shell scriptery; and it
   is also a mini DNS server cache. But now you can use either, which
   decouples transitions.

 - /usr/share/doc/systemd/README.Debian.gz has a section about how to
   enable and use networkd.

As usual, please file bugs with "ubuntu-bug systemd".

Thanks,

Martin

[1] https://blueprints.launchpad.net/ubuntu/+spec/foundations-w-networkd-vs-ifupdown
-- 
Martin Pitt                        | http://www.piware.de
Ubuntu Developer (www.ubuntu.com)  | Debian Developer  (www.debian.org)
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