Linux offers many classic commands, but some are already outdated, insecure, or are now inefficient. We show you which ...

Dig is a powerful and flexible tool for interrogating domain name system (DNS) servers. In this post, we’ll take a deep dive into how it works and what it can tell you. Dig is a powerful and flexible ...

Over the years, several Linux commands have been deprecated, either because they are no longer relevant, have security problems, or have ceased to be maintained. You might still be able to use these ...

Our DNS is working. Our clients can access our Web site, our secure e-commerce service, our FTP servers and our LDAP services. Our people can e-mail and browse the Web, and our VoIP system is fully ...

This select set of Linux commands can help you master the command line and speed up your use of the operating system. When coming up to speed as a Linux user, it helps to have a cheat sheet that can ...

In the first part of this article [LJ, January 2008], we started the apparently simple journey of navigating our way to the IP address of www.example.com and its secure server online.example.com by ...