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How to Install pgAdmin4 on Ubuntu
pgAdmin4 is a feature-rich, cross-platform, web-based interface that allows you to administer and manage PostgreSQL database instances in a web browser. In this guide, you will learn how to install...
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What are the Different Text Editors for Ubuntu
A myriad of text editors are available for Ubuntu, and if you use them well, you may as well join the expert group of Linux code developers. In the article, we will look at some of the best text...
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How to Time a Command in Linux
If you want to be a good Linux administrator, therefore you should know time command. It is used to determine how long a given command takes to run. It is useful for testing the performance of your...
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How to List Services in Linux
In this article, I will show you how to list all running services on Linux. We will also check how to check the status of a service on a systemd system. Let's learn different commands used to list...
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How to Extract tar xz File in Linux
In this brief guide, we will look at how you can compress and extract tar xz tarball files/directories with a .tar.xz file extension in Linux. The xz format is a single-file compression format that is...
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How to Install Terraform on CentOS 7/Ubuntu 18.04
Terraform is a software which allows you to manage cloud infrastructure resources from code efficiently. You can use Terraform to build, change, and version infrastructure deployed on proprietary cloud...
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How to Read a Filename with Spaces in Linux
It's not very common in Linux to handle filename with spaces but sometimes files copied or mounted from windows would end up with spaces. While it is not recommended to have file names with spaces, let...
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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...
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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,...
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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...
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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...
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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...
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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...
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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...
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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...
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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:...
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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...
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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...
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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...
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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...
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