Backup, what system files are *really* important?

[Patrick O'Callaghan]

On Thu, 2010-03-11 at 18:29 -0600, Mike McCarty wrote:
> Patrick O'Callaghan wrote:
> > 
> > I back up all of /etc and /usr/local. Also /opt if it exists.
> 
> Is /opt really likely to contain some configuration information
> that a reinstall wouldn't set up? ISTM that, if the system
> is "modern" enough to use /opt for its install, then its config
> would also be in /var. Not so?

/opt (and /usr/local) are likely to contain stuff that wasn't installed
via rpm or yum, thus needs to be preserved. That's all. YMMV.

poc