Linux is constantly evolving, and with it the tools that its fans use on a daily basis. However, some of the classics such as iptables , which has been replaced by nftables , are now not only outdated ...

There are certain Linux commands I consider essential. They range from networking, troubleshooting, and file viewing. They're also easy enough for new users to learn. Even though I've been using Linux ...

Imagine a situation where you wrote an excellent script to automate a tedious task for you. But when you try to execute it in Linux, all you get is a “Permission ...

Here, “Owner” pertains to the file owner who created the file/ directory. “Group” refers to a set of members, and “Others” are everyone else with access to the system. Each of these classes has a ...

Chmod Calculator will help you understand and set file permissions using the chmod command in Unix-like operating systems. Chmod is a command used to change the access permissions of files and ...

Last week we kicked off our Linux Hands-On series to create a structured series that informs and educates the reader about what Linux is, how it works, and at the same time, making sure they get their ...

In what follows, text in monospaced font, is meant to be typed or is output. For example, the directory /gpfs1/user/g/r/grundoon indicates an actual directory name ...

How to Create Users and Groups in Linux from the Command Line Your email has been sent Here's a quick guide to adding users and groups, and then how to add users to groups, all from the command line ...

Linux provides a useful array of commands for managing file permissions, getting information on commands, displaying running processes and displaying details on the system itself. The uname command ...

As Terry Lambert, the developer behind Linux ancestor Unix, once said, "It is not Unix's job to stop you from shooting your foot. If you so choose to do so, then it is Unix's job to deliver Mr. Bullet ...

The operating system your MacBook runs, OS X, is built on top of UNIX, and Terminal provides you with access to the underlying UNIX system commands. Most server software that your business would want ...