[CentOS] Anyway to ensure SSH availability?

On 6/30/11, Paul Heinlein <heinlein at madboa.com> wrote:
> I actually relied for a while on the last choice. I had a remotely
> accessible root shell that never logged out. When things got sluggish,
> I was able to /bin/kill to my heart's content. It wasn't a pretty
> solution, but it kept me running until I was able to solve the problem
> properly.

Would this work without the OOB hardware? E.g. if I leave a detached
screen'd SSH session open from another server, then ionice + nice that
shell on the problem server?