Category: Sysadmin

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), …

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 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 …

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 …

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 …

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 …

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 …

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 …

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 …

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 …

I am a new Linux system user. I need to find out which process is listening on a port on Linux using the command line. How do you find out which process is listening on …