The remainder of the displayed output shows the running processes and their usage statistics. You can see that there is 1 running process, and 55 processes that are considered to be sleeping because they are not actively using CPU cycles. The first several lines of output provide system statistics, such as CPU/memory load and the total number of running tasks. Swap: 0k total, 0k used, 0k free, 258976k cached You can see all of the processes running on your server by using the top command: Step 1 – How To View Running Processes in Linux Doing so will set you up with a secure server environment - including a non- root user with sudo privileges and a firewall configured with UFW - which you can use to build your Linux skills. If you plan to use a remote server to follow this guide, we encourage you to first complete our Initial Server Setup guide. Note that this tutorial was validated using a Linux server running Ubuntu 20.04, but the examples given should work on a computer running any version of any Linux distribution. This can either be a virtual private server which you’ve connected to with SSH or your local machine. To follow along with this guide, you will need access to a computer running a Linux-based operating system. This guide will introduce you to some of the most helpful applications to have in your toolbox. There are plenty of command line utilities created for this purpose. Keeping an eye on how your system is running will help you discover issues and resolve them quickly. Every computer system benefits from proper administration and monitoring.
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