[CentOS] lost connection during yum update

On Sun, 10 Mar 2013 12:26:51 -0400
Gerry Reno wrote:

> The "yum update" that was running in your lost VNC session was in all
> likelihood still running.

If yum was indeed still running, it wasn't using any significant CPU.  I did
run top in my login terminal to see if anything significant was going on and yum
didn't show up on the list.

When I attempted to re-connect to vncserver after that, I was told "connection
refused", and "service vncserver start" cranked up another session for me
without any errors.

I think vncserver just altogether crashed for some reason, probably related to
the yum update that I was running on that machine at the time.  I suppose the
lesson learned here is to always update the host machine from a screen session
running in a plain terminal, not through a vnc session.

> It may be easier to restore from backup and then attempt to do the update
> again.

Perhaps, but since everything seems to still be in place on those hard drives,
and since my last "yum update" completed without any errors being reported, I
suspect (hope?) that everything is still ok with the exception of whatever is
causing the machines to fail to boot.

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