How to Monitor the Server And Network in Linux
For any System administrator its tough to monitor large Linux networks continuously without a streamlined system. Looking for an efficient network monitoring solution for Linux systems we came across Nagios. It is a free, open source host, service and network monitoring services. It allows you to monitor all your hosts, network equipment and services at one go. Using Nagios you can monitor any Linux set up (database and custom application) efficiently. Fully Automated Nagios (FAN) has been designed to provide a Nagios installation including most tools provided by the Nagios Community. There is a wide variety of monitoring tools included in the distribution that enhances your Nagios experience.
Nagios offers the best monitoring tool to monitor host and network equipments. The application offers the option to setup warning levels - Nagios would proactively alert you before a problem becomes critical.
Nagios plugins allow you to monitor the following items listed below
- Disk space usage of remote Linux and Windows server
- CPU Usage
- Memory usage
- Hardware Temperature
- VPN tunnels
- Router and Switches
- Databases
- Network services (DHCP, DNS, LDAP, SMTP etc.)
For more detailed information on Nangios you can look for this article - How to monitor remote Linux host using Nagios 3.0.
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