Debian is one of the most popular Linux distributions of all time, and now it got a new version release Debian 10 Buster. There is a lot of derivatives that came out of Debian, of which the most popular is [...]
Install Missing ifconfig Command on Debian
Debian 10 (codenamed Debian Buster) is finally here with awesome cool features and a new look and feel theme. However, you may have run into an error trying to check the IP address of your network interface(s) when running the [...]
How to Add an Item in a List Using Python Append() Command
We have a list of numbers or strings, and we want to append items to a list. Basically, we can use the append method to achieve what we want. The append() method adds a single item to the existing list. It [...]
Horde vs Roundcube vs Squirrelmail - Which Works Best
Webmail is a great way to access your emails from different devices and when you are away from your home. Now, most web hosting companies include email with their server plans. And all of them offer the same three, webmail [...]
12 Best Web Browsers for Ubuntu
Selecting the best web browsers for Ubuntu largely depends on your personal needs, but usually, browsers are used for accessing/browsing websites. In this article, we will look under the hood and highlight some of the best web browsers for Ubuntu. 1) [...]
How to Fix 'add-apt-repository command not found' on Ubuntu & Debian
In some cases on Linux Mint, Linux Lite, Zorin OS, elementary OS and other Ubuntu based distros, as well as Ubuntu and Debian, you’ll see the error that add-apt-repository command is missing. $ sudo: add-apt-repository: command not found This tutorial [...]
StickyBit, SUID and SGID in Linux with Examples
In this article, we explain special permissions that work on files and directories named as Stickybit, SUID and SGID. The sticky bit works on directories only. If a user wants to create or delete a file/directory in some directory, he [...]
How to List Cron Jobs in Linux
For linux to automatically perform tasks that you would otherwise have to perform yourself, such as running scripts and executing specific commands, we use a tool called cron. On Linux systems, the cron utility is the preferred way to automate [...]
How to Get Size of Directory in Linux
In this article, we focus on how you can check the size of Directory on Linux Systems. This we are going to achieve using the command line interface. The command used to retrieve the file sizes is the du command, short [...]
How to Rename Files in Linux
Renaming files in Linux is one of the easiest tasks that you can accomplish straight from the command line. There are quite a few ways you can achieve this and in this guide, I will take you through how you [...]
How to Find/Change Ubuntu Default Root Password
Before I explain how to change the default password, its good to know about "Root SuperUser" and "sudo user" in Linux. In any Linux, as also in any Ubuntu version, there is a SuperUser named root, the Windows equivalent of [...]
Ansible Interview Questions & Answers for Devops
In this guide, we're going to look at Ansible Interview Questions & Answers for DevOps Engineers. This is intended to help you prepare for Ansible Devops Interview and also review your skills. Over the past one year, Ansible adoption has been massive. [...]
How to Use Curl Command with Examples
Back in the mid-1990’s a Swedish programmer named Daniel Stenberg started a project that eventually became what we know as curl today. curl is a command line tool to transfer data to or from a server, using any of the supported [...]
How to Delete Files and Directories in Linux
You may, in some cases, need to delete directories and files that you do not need to free up space on your hard drive. In this brief tutorial, you will learn how to delete files and directories in Linux. To [...]