CentOS / RHEL: Install atop (Advanced System & Process Monitor) Utility

To install the atop (Advanced System & Process Monitor) utility on CentOS or RHEL, you can follow these steps:

1. Add the EPEL (Extra Packages for Enterprise Linux) repository to your system. This repository contains the atop package. You can do this by running the following command:

sudo yum install epel-release

2. Install the atop package using the yum package manager:

sudo yum install atop

This will install the atop package and any dependencies that are required.

3. Start the atop daemon by running the following command:

sudo systemctl start atop

4. Enable the atop daemon to start automatically at boot by running the following command:

sudo systemctl enable atop

5. To use atop, you can run the atop command with the desired options. For example, to display the current system and process statistics:

atop

This will display the atop interface, which shows the current system and process statistics.

Note: atop is a powerful and complex utility that provides detailed information about system and process performance. It has a wide range of options and features that allow you to customize the output and analyze various aspects of system performance. Consult the atop documentation for more information on how to use atop and its various options.