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There’s a handful of popular package managers that are used on various Linux distributions, and dnf is among the most popular. It’s the default package manager on distros such as Red Hat, CentOS, AlmaLinux, Rocky Linux, Fedora, among others. In this video, we’ll explore the dnf command and see examples of basic usage.
Thank you to Linode for sponsoring this episode of Linux Essentials. Check out Linode and get $100 in free starter credit toward your new account.
The grep command – one of the most popular Linux commands, and definitely deserving of a feature video in the Linux Essentials series. In this video, Jay goes over the basics of the grep command, along with some useful examples.
Monitoring the resources of your Linux server and watching for negative trends is one way to stay ahead of potential performance issues, and the sar command will help you do exactly that. In this video, Jay goes over the basics of the sar command.
In the Linux Essentials series, we’ll go over the basics of a Linux command or feature in every episode. This time around, it’s all about the echo command. The echo command allows you to print text, but it also allows you to do other things as well, such as printing the contents of variables.
Bash is the default shell in the majority of Linux distributions, and it has countless features and tricks to make you more efficient. Bash keeps a history of the commands you’ve typed at the prompt, but most people aren’t aware of additional functionality that the history provides you. In this episode of Linux Essentials, Jay describes not only how to use the history command, but also some techniques to make better use of it.
The Linux Essentials series on LearnLinuxTV consists of mostly stand-alone episodes that are each dedicated to a specific command or feature in Linux. In this episode, we’ll go over the basics of the usermod command.
When you need to run Linux commands with elevated privileges, sudo is the tried and true method to run commands as another user (such as root). In this introductory tutorial, we’ll take a look at some of the inner-workings of sudo.
There’s no shortage of monitoring tools available for Linux servers and workstations, but htop is a a classic. By installing htop, you can see an overview of your resource usage, including meters for CPU, RAM, Swap, and more. In this video, I’ll give you an overview of htop.
The ps command is useful for taking a look at the processes that are running on your Linux system. In this video, I’ll show you the basics of the ps command, and some variations you can use to show the output in different ways.
In this episode of Linux Essentials, we’ll go over data streams. Specifically, Standard Output (stdout), Standard Input (stdin), and Standard Error (stderr). We’ll also take a look at how to redirect specific data streams, so you can easily separate errors from output.
When you’re working with Linux servers, you may or may not always have access to a GUI, which is why it’s important to learn at least one command-line text editor. In this video, we’ll explore the core fundamentals of nano. nano is a text editor that’s among the easiest to learn.
Keeping track of user accounts is very important, especially as a Linux server administrator. In this episode of Linux Essentials, we’ll explore user and password expiration. This will include examples regarding locking passwords, the chage command, and more!
Thank you to Linode for sponsoring this video. Check them out here and get your very own Linux server set up in minutes!
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