What is hanging systemctl?

[Tom Horsley]

On Mon, 19 Oct 2015 10:15:25 -0700
Gordon Messmer wrote:

> No.  NIS is a UDP protocol.  The client simply retries forever...
>
> As long as you use NIS, make sure you have a redundant server.

I think we tried redundant servers once, and the clients merely
continued to retry the the 1st server forever.

Clearly what I really need to do is add a background job that
modifies /etc/nsswitch.conf when the server goes up or down :-).