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I just got a VPS (CentOS on Virtuzzo) and need to monitor the load, bandwidth etc, preferably with graphs. I came across cacti, nagios, zabbix but they seem to be for monitoring large number of servers.

Since I only have a single VPS to monitor, are these suitable? Otherwise, what monitoring tools do you recommend?

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up vote 2 down vote accepted

For a single server, I would suggest using monit or munin - they both can be used to monitor multiple servers, but they're also well-suited for a single server. Much better suited than Zabbix or Nagios, for example.

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I'm a Zabbix admin and I agree both monit and munin are better suited for this particular scenario. Zabbix gains on the scalability and centralized configuration over large deployments. – Joao Figueiredo Nov 30 '11 at 15:14
There is also Monitorix which is a lightweight system monitoring tool. – hlovdal Apr 24 at 8:41

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