Category: Sysadmin

How to Switch (su) to Another User Account without Password

In this guide, we will show how to switch to another or a specific user account without requiring a password. For example, we have a user account called postgres (the default PostgreSQL superuser system account),

How to Force cp Command to Overwrite without Confirmation

The cp command (which stands for a copy) is one of the commonly used commands on Linux and other UNIX-like operating systems, for copying files and directories. In this guide, we will show how to

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13 Best Photo Image Editors for Linux

In this article, I have reviewed of some the best photo editing software available on different Linux distributions. These are not the only photo editors available but are among the best and commonly used by

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How to Add or Remove a User from a Group in Linux

Linux is by default a multi-user system (meaning many users can connect to it simultaneously and work), thus user management is one of the fundamental tasks of a system administrator. User management includes everything from

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6 Best CLI Tools to Search Plain-Text Data Using Regular Expressions

This guide takes a tour of some of the best command-line tools that are used for searching matching strings or patterns in text files. These tools are usually used alongside regular expressions – shortened as

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The 8 Best Open Source Web Servers

It’s been a long journey since the first web server was released back in 1991. For quite a long time, Apache was the only mention-worthy webserver. Over time, however, other open-source web servers have gained

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The 5 Best Command Line Music Players for Linux

The terminal is usually used to accomplish administrative tasks on a Linux system such as installing packages, configuring services, updating, and upgrading packages to mention a few. But did you also know you can enjoy

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Top 3 Open-Source Cross-Distribution Package Management Systems for Linux

Package management or software installation on Linux systems can be very puzzling especially for newbies (new Linux users), as different Linux distributions use different traditional package management systems. The most confusing part of it all

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10 Top Open Source Caching Tools for Linux in 2020

Reliable distributed computing systems and applications have become the cornerstone of prominent businesses, especially in automating and managing mission-critical business processes and delivering services to customers. As developers and system administrators of these systems and

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How to Append Text to End of File in Linux

While working with configuration files in Linux, sometimes you need to append text such as configuration parameters to an existing file. To append simply means to add text to the end or bottom of a

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How to Install OpenSUSE Leap 15.0

OpenSUSE Leap is a free and open source, “most complete” “regular-release” of the openSUSE Linux distribution. Leap is one of the most usable Linux distributions and stabilized operating system out there, suitable for laptops, desktops,

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Linux Find Out Graphics Card Installed In My System

I am a new Linux system user. I am using Ubuntu Linux. I do not want to open up the computer hardware to just see the make and model of the graphics card in a

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