Secure connections are more important now than ever. WireGuard brings an easy-to-configure, fast, and secure method of creating a virtual private network, or VPN. WireGuard is supported directly by...

Linux is the operating system of choice for enterprises that need a stable, agile, and open-source platform, and it’s only getting more popular. Qualified system administrators are in demand. If yo...

Building and hosting your own server at home or in the office is a great way to learn about system configuration and administration, and also provides an opportunity to maintain control of your fil...

While we often think of our communications channels as secure, it never hurts to add an extra layer of protection when working with sensitive information. Whether it’s personal documents, trade sec...

Structured Query Language (SQL) is a common tool for retrieving data from relational databases such as SQL Server, MySQL, MariaDB, and PostgreSQL. This course provides an introduction to this core ...

With so many technical terms, cultural quirks, and options to pursue, getting started with Linux can seem overwhelming. In this course, instructor Scott Simpson covers the fundamentals of what you ...

Bash, or the Bourne Again Shell, is a widely popular command-line interpreter for administration and programming tasks. But Bash is different than most scripting languages. That’s why Scott Simpson...

Working from a home office might be a temporary situation or a permanent choice, but whatever the situation, security is key. In this course, Scott Simpson covers how to secure your home office. Le...

Working from a home office might be a temporary situation or a permanent choice, but whatever the situation, security is key. In this course, Scott Simpson covers how to secure your home office. Le...

Distributing software in Red Hat Enterprise Linux, CentOS, Fedora, and other distros relies on the RPM Package Manager. If you’re curious about RPM—and how the packages you use to install software ...