The Z-Shell, or Zsh, is a powerful shell that helps you get your command-line tasks done quickly and effectively. It’s widely available and is the new default shell on macOS. While Zsh is largely c...

Virtual private networks (VPNs) allow remote users to access resources on a protected network via an encrypted connection. While the technology is common, it’s helpful to understand the many protoc...

Using Fedora, you’ll stay on the cutting edge of new software releases in the Linux world. Fedora is used by over a million people, ranging from software developers, to system administrators, to Li...

Once you get beyond basic programming, you’ll need a database. Databases provide a consistent, organized structure for storing and retrieving large amounts of data. They allow programmers to build ...

AWS Security Hub—a security dashboard and insights tool from Amazon—provides users with a one-stop dashboard from which they can monitor their deployment for common security issues, including vulne...

CentOS is a Linux distribution (derived from Red Hat Enterprise Linux) that’s popular with system admins, DevOps engineers, and home users alike. It’s also used by many organizations for developmen...

Get a solid grasp on the tools and concepts that can help system administrators efficiently design and roll out Linux systems at scale. In this course, instructor Scott Simpson shares techniques fo...

Kali Linux is packed with penetration and analysis tools that can help you thoroughly test your systems for weaknesses. In this course, learn how to use Windows Subsystem for Linux to run this secu...

Ubuntu Server is optimized for scale. If you’re looking to use this popular cloud operating system for a project—or you just want to hone your server administration skills—then this course is for y...

Knowledge of the Linux command line is critical for anyone who uses this open-source operating system. For many tasks, it’s more efficient and flexible than a graphical environment. For administrat...