Monitoring tool for Linux server

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Which is the best Monitoring tool for linux server and why need to monitor server using tool ?

It could be argued that monitoring tools are the most essential, providing crucial information that will help you ensure service uptime and optimal performance.

if you are monitor server with monitoring tool then no need to continue check server through command line because if any problem on the server ( high load, mail queue low memory , server down ) then monitoring tool will send you alert on your email ID as well as popup with sound on your system and that time you can check your server immediately instead of waiting for client’s complaint.

Here is the top monitoring tools.

Nagios
Nagios is an open-source monitoring system which allows you to identify and resolve infrastructure problems before they affect critical processes.You can configure Nagios to monitor system metrics, network protocols, applications, services, servers and network infrastructure. Alerts of failures are delivered via email and SMS.

Cacti

Cacti is a complete network graphing solution designed to harness the power of RRDTool’s data storage and graphing functionality. Cacti provides a fast poller, advanced graph templating, multiple data acquisition methods, and user management features out of the box. All of this is wrapped in an intuitive, easy to use interface that makes sense for LAN-sized installations up to complex networks with hundreds of devices.

PRTG

PRTG offers network monitoring software which can be installed in just a few minutes, automatically discovering your network and providing 24/7 monitoring of LANs, WANs, servers, websites, applications and URLs.

We are providing monitoring plan to our clients.
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