Now I would tell you some basic command which well help you monitor your server.VZ ParametersOn a Virtuozzo VPS you can output your usage of the VZ parameters. You should pay most attention to oomguarpages and privmpages. Anything with a failure is generally bad!
cat /proc/usr_beancounters
Apache ConnectionsIf you have experience in Server Administrator task, you surely have a headache on the Apache connections when it is getting tons of connections to the server!Grep port 80 (web services Read more
Monit is a free open source utility for managing and monitoring, processes, programs, files, directories and filesystems on a UNIX system. Monit conducts automatic maintenance and repair and can execute meaningful causal actions in error situations. You can use Monit to monitor daemon processes or similar programs running on localhost. Monit is particular useful for monitoring daemon processes, such as those started at system boot time from /etc/init.d/. For instance sendmail, sshd, apache and mysql.You Read more
Nagios is a popular networking monitoring software used by various hosting providers including Tech With Us servers,Designed with scalability and flexibility in mind, Nagios gives you the peace of mind that comes from knowing your organization's business processes won't be affected by unknown outages.Nagios is a powerful tool that provides you with instant awareness of your organization's mission-critical IT infrastructure. Nagios allows you to detect and repair problems and mitigate future issues Read more