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), we want every user (typically...
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 force the cp command to...
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 Linux users. 1. GIMP First,...
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 creating, updating, and deleting user...
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 REGEX – which are unique...
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 traction. In this guide, we...
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 playing your favourite audio files...
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 in most cases is package...
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 applications, you are expected to...
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 file. In this short article,...
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, netbooks, servers and multimedia center...
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 system. How do I find...