Server monitor software introduction, with alarm mechanism, open source is the best, thank you!

1, Nagios is an open source free network monitoring tool, which can effectively monitor the host status of Windows, Linux and Unix, network settings such as switches, routers and printers. When the system or service status is abnormal, send an email or SMS alarm to inform the website operation and maintenance personnel at the first time, and send a normal email or SMS notification after the status is restored.

2、

Cacti obtains data through snmpget and uses

Rdtool draws graphics without knowing the complicated parameters of RRDtool at all. It provides very powerful data and user management functions, and can specify that every user can view the tree knot.

Structure, host and any picture can also be combined with LDAP for user authentication, and at the same time, you can add your own template, which is very powerful and perfect. Friendly interface.

The development of Cacti is based on making the software more convenient for RRDTool users. In addition to basic Snmp traffic and system information monitoring, Cacti can also add scripts and templates to make various monitoring charts.