Linux File Permission Tutorial: How to Check and Change Permissions


The file permission feature specifies how much power each user has over a given file or directory. To understand Linuxfile permissions, you need to get to know the different permission classes and levels. Once you have learned how to interpret…

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How to Install and Use Nmap Network Scanner on Linux


Learn how to install Nmap on a Linux based system and use it to retrieve valuable information from remote systems.

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How to Install Vim 8.1 on CentOS 7


Official repositories struggle to keep pace with updates and new software versions. This article provides instructions on how to overcome their limitations and install the latest version of Vim on CentOS.

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How to Enable and Use firewalld on CentOS 7


This phoenixNAP guide instructs how to enable and start firewalld on CentOS 7. It explains basic firewall zone concepts and teaches you how to work with default firewalld zones.

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11 Best Linux Text Editors For Programming & Coding


A text editor is an application that lets you type text. All Linux distributions come with built-in editors, but there are also other options. In this article, we review the 11 best text editors. Discover which one is best for you.

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How to Check if a File or Directory Exists in Bash


Searching for specific files or directories can be time-consuming. You can use a bash command or script to streamline the process. This article is going to walk you through the proccess in great detail.

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19 Common SSH Commands in Linux With Examples


Secure Shell is an important protocol for anyone managing and controlling remote machines. This guide covers the most useful commands such as specifying a username for your connection, using a different port number, generating SSH key pairs, and…

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How To Use Linux Screen, With Commands


Screen is a powerful tool for working in the command line. It lets you create, monitor, and switch between several different windows. With Screen, you can multitask much like a graphical interface. It can also run in the background, waiting for you…

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How to List, Display, & View all Current Cron Jobs in Linux


Cron is used to schedule scripts and commands on Linux systems. Find out where these jobs are stored and list cron jobs running on your computer. Also, use these commands to sort and display tasks scheduled through the cron tool.

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How to Remove Files and Directories Using The Linux Command Line


This article lists the most commonly used commands and tools to remove unwanted files and directories from your system.

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