htop is often seen as a more enhanced version of the top utility. Htop is another very popular system monitoring tool available for most Linux distributions. For a review of the nmon monitoring tool, click on the nmon image. nmon allows you to monitor and record important system information such as CPU, Memory, Swap, Top Processes and their associated resources, Network, NFS, Filesystems and Kernel stats. Nmon is a free monitoring tool available for most Linux distributions. An overview of the top utility is covered in the process monitoring section. An overview of CPU utilisation, Load, Memory, swap and processes are displayed by default. Top is one of the most common and frequently used command by System Administrators to get a quick system health check. Click on the links below to go to the relevant information page/tutorial: Top Monitoring Tool You will be able to monitor your network interfaces. You will have the ability to identify processes and the resources that they are consuming. Using many of the tools below, you will have the ability to monitor CPU Utilisation, cores, Load averages and run queues. Below are some of the most popular tools that every system administrator should have in their toolbox.

Thankfully Linux has numerous tools built in and freely available to help you. The secret to a smooth running system is your ability to monitor and keep track of the current state of your system. Linux Monitoring Tools How to Monitor Linux Systems

Htop network activity