Monitoring

Install NagiosQL - GUI interface to Configure Nagios Core

Top 20 Network Monitoring Tools in Linux

pyDash - A Python App For Monitoring Your Linux Server

How to Monitor Network Usage with nload in Linux

25 Linux Performance Monitoring Tools

Monit - Monitor Linux Daemon, Filesystem, CPU , Files and Network

How to Install and Use Sysdig from Linux Command Line

Install atop Linux tool To Monitor Your System Process

How to Install and Configure Nagios 4.0.7 on CentOS 7

Monitor your Linux Box with the saidar Utility

How to Install and Use Htop on Linux

How to Install and use bmon - Real Time Bandwidth Monitor in Linux

Linux iftop - Listen Network traffic (interface) & Bandwidth (pair of hosts)

dstat - Monitor Processor, Memory, Network Performance on Linux