[CentOS] Anyway to ensure SSH availability?

Les Mikesell wrote:
>>> You can buy add-on PCI-cards for OOB-management, though.
>> Thanks for the information, although unless they are really cheap...
> 
> The seriously on-the-cheap approach is to run a few virtual servers on 
> hardware slightly better than one of the individual servers would need. 
>   You are much less likely to kill the host (expecially something like 
> ESXi) to the point where you can't connect, and more likely to be able 
> to afford the out-of-band management where you need it since you have 
> fewer boxes.
> 
OP has stated that he manages servers for his clientS meaning that they 
are in separate customer sites probably even cities. Virtualization is 
an option only if they all belong to the same company or provide cloud 
computing.

Ljubomir