[TriLUG] help understanding /var/log/messages

[Christian J Hedemark]

> I've got a Dell PowerEdge 2450 server running RHL7.1 which has suddenly
(as
> of today) started locking up.  The server will be running normally, then
> without warning ssh connections to it will freeze and as does X display on
> the box itself.  Strangely, it will respond to pings, but not HTTP
requests,
> ssh, ftp, nfs, or any other service I have running.

Before doing anything drastic, I would check two things:


# df -k

Also try swapping out all memory and putting in known good memory from
another source.  All too often I've found spoiled memory to be the culprit
of inexplicable lockups like this.