On 15.Mär.2013, at 08:39, C. L. Martinez wrote: > I have a test lab installed over an ESXi 5.1 host that contains 5 > CentOS vm guests. I would like to monitor CPU, RAM and Network for > these vm and ESXi host. Zabbix and Nagios are too to accomplish this > task. Does anyone know any lightweight openosurce soft to do this?? you could use kSar to look at the stats collected by sar http://www.cyberciti.biz/tips/identifying-linux-bottlenecks-sar-graphs-with-ksar.html -- Kind Regards, Markus