Highly recommended virtualization software to manage virtual guests
Pros:
Xen is an open source virtualization server widely used in IT. It provides simple and robust commands to manage Xen environment for managing virtual hosts.Backup and recovery of virtual hosts are...
Cons:
It requires system with large number of CPUs and large number of memory to support guest operating systems. Not able to export virtual hosts in other virtualization softwares.
Other:
Highly recommended for administrators having sound knowledge of open source commands.
Nagios is an open source monitoring tool for monitoring network services. Installation is quite easy and interface is user-friendly and configurable. We can monitor disk space, CPU utilization,...
Cons:
Nagios provides most of the features by default, however to add more services to it, it requires additional plugins which require little effort on administrative end. So far, clustering and failover...