Jack Wallen

Get an efficient GUI for interacting with GitHub repositories on your Windows desktop.

The popular Unity editor is now available for Linux. Get it up and running so you can start developing on your favorite platform.

You don’t want an out-of-date web server serving up your sites. Get the latest version of NGINX installed with ease on Ubuntu Server 18.04.

Having trouble getting CA certificates installed and recognized in Ubuntu Server? Find out how it’s done with a few quick commands.

Find out how to authenticate your Linux servers and desktops against an MS NTLM proxy server.

You don’t have to depend solely on third-party cloud storage solutions. Deploy one of these on-premises tools for your own, in-house cloud.

Lock down all SFTP users on your data center Linux servers with a chroot jail.

Don’t confuse the three commands used for upgrading a Debian- or Ubuntu-based machine. Instead, learn what each can do.

With this quick and simple Nmap command, you can discover every host and associated IP address on your network.

You are better armed to make use of the SSH tool with an understanding of four key SSH files.

Need a dedicated firewall appliance? OPNsense is a free, open-source solution, ready to protect your network from intrusion.

If you depend on secure shell, learn how you can better protect your servers from SSH attacks.