If you’re managing a Linux server, it’s good to be ready with a number of commands that you can use to check user activity – when your users are logging in and how often, what groups they ...

Fortunately, there are straightforward measures you can adopt to verify the security of a Linux server. The following are steps to help ensure your server's integrity remains intact.

Jack Wallen walks you through creating new users and groups on Linux and adding those new users to the new groups.

True, desktop Linux has never taken off. But, even so, Linux has millions of desktop users. Don't believe me? Let's look at the numbers. There are over 250 million PCs sold every year.

The easiest way to obtain a list of users in Linux is to use the getent command. The getent command retrieves information from Linux's databases, including information about users.

Adding a user with admin privileges on Linux is easier than you think. Jack Wallen shows you how.

Explore how to check disk usage using the df and the du commands and learn how a variety of simple arguments can enhance your workflow.

It's important that you know how to check your CPU usage in Linux. Keeping an eye on the CPU utilization in your Linux system is vital for several reasons. At its core, monitoring CPU usage helps ...

While the dmesg command can display the entire contents of the Linux kernel message buffer there are ways to have it choose just what you want to see.

Here's a quick guide to adding users and groups, and then how to add users to groups, all from the command line on the Linux platform.