SSH Server Installation and Security in Linux: 10 Useful Steps

SSH stands for Secure Socket Shell, one of the well-known service protocols used to execute an operation to the remote administration over the internet. It provides a very secure passage between the designated computers. Once the connection is established, SSH will then provide encrypted sessions for all public (unsecured) networks in a client-server architecture. SSH […]

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Learn the Networking Basics Every Sysadmin Needs to Know

Networking is one of a sysadmin’s most important duties, so make sure you have the essentials covered.
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Protect Online Privacy

Once you learn top ethical hacking terminologies, it’s time to learn how to protect your online identity. These days it is one of the biggest challenges to stay anonymous while browsing the web. In this article, I will mention ways to stay anonymous on…

Where to Learn Linux

If you’re new to Linux or if you just want to learn more about Linux and improve your professional skills, you might be wondering where to learn Linux online. This article will help you. There are many options to choose from, ranging from written content to video tutorials and audiobooks. Each category with its own […]

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How to Backup and Restore Linux System with Timeshift

This guide defines Timeshift, explains its benefits, and shows how to backup and restore Linux systems with Timeshift.
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What Is Podman And How To Install Podman In Linux

This guide explains what Podman is and does, its features, differences between a Podman container and an image, and how to install Podman in Linux.
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Freespire 7.7 Released with Xfce 4.16 and Kernel 5.4

Freespire 7.7 is here based on Ubuntu 20.04 LTS (Focal Fossa) and still does not incorporate any proprietary media codecs.
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How to Install KVM/QEMU on Manjaro/Arch Linux

In this guide, you will learn how to set up KVM/QEMU virtualization on a Manjaro/Arch Linux machine. Also, you will learn how to create the first virtual machine with the GUI application “virt-manager” – a desktop user interface for m…

Docker Logs: What They Are and How to Use Them (with Examples)

If you are a sysadmin responsible for building and managing containerized applications, docker logging is important. In this article, we are going to show you everything you need to know about Docker logs and how to work with them.
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What Does ‐‐ (double dash) Mean in Linux and Unix SSH Shell Commands?

This quick tutorial explains the use of the double-dash (“–“) in Linux, macOS and Unix shell and ssh commands. But first, let us see what it does and when you might need it.
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How to Install and Configure Arch Linux with a Desktop Environment

Here is my method for installing Arch Linux. This can be a bit fiddly, but is a really great learning curve, especially if you are installing it on physical hardware. There are many methods to do everything, different partitioning tools, and lots of ways to carve up your disks (if you are using a virtual […]

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How to Send Email From the Linux Terminal

While there are plenty of ways to send email, for anyone who lives on the command line, sending email from the CLI is a big timesaver. Learn how to send email from the Linux terminal using various tools , like mail, sendmail, telnet and mutt, and add a…

How To: Get Started with WireGuard Server in Under 5 Minutes

Whether you want to hide your identity from prying eyes or access content blocked by geo-restrictions, running a WireGuard server is an excellent solution to run your own VPN server. If you’ve got five minutes, you’ve got time to install it…

Tales from the Field: A System Administrator’s Guide to IT Automation

Download this collection of short stories about the excitement, frustrations, and challenges associated with learning IT automation.
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How to Use lsof Command in Linux to List Open Files

Have you ever had the file in use error? Learn how to use the lsof command in Linux to view open files and the processes using them.
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How to Use Lynis Linux Security Audit Tool on Ubuntu

Lynis is an open-source security auditing tool for extensive scanning of systems and its security defense to achieve compliance testing and system hardening. This article will help you to install Lynis from its official package repository and audit the…

6 Best Mail Transfer Agents (MTAs) for Linux

On a network, mail clients send messages to a mail server which then routes them to the correct destinations (other clients). The mail server uses a network application called Mail Transfer Agent (MTA). Here, we take a look at the six top options.
The …

Styli.sh is a Great Dynamic Desktop Wallpaper Changer for Linux

Bored seeing the same wallpapers every day? Automatically switching wallpapers is probably the best way to keep your desktop fresh and full of surprises. This article will show you how to automatically set new wallpapers using Styli.sh on Linux.
The po…

Tootle – GTK Client for Mastodon

Mastodon is a free and open source microblogging platform similar to Twitter, but with user privacy and decentralization in mind. It’s one of many protocols that interacts with the Fediverse of protocols like Pleroma, GNU Social, and others. Unlike Twitter, Mastodon is not one social network. You can use Mastodon with a web browser. Or […]

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3 Useful Tips on How to Use History Command in Linux

One feature of the Bash shell that can be changed is the history command. Learn 3 useful tips on how to use the history command in Linux here.
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