SysAdmin

A text editor is an application that lets you type text. All Linux distributions come with built-in editors, but there are also other options. In this article, we review the 22 best text editors. Discover which one is best for you.

Composer is an application that tracks dependencies for a project, allowing you to specify a set of libraries for a specific project. It identifies the versions and dependencies and installs them to the project. This guide will help you install and get started with Composer in Ubuntu.

This article provides all the information you need in order to set up SSH encryption on your remote device. It also covers the configuration of SSH and how to make exceptions in your firewall settings.

The article deals with the benefits of SELinux and the various options it provides. These settings can affect server security, and making sure you have all the relevant information is crucial.

Secure Shell is an important protocol for anyone managing and controlling remote machines. This guide covers the most useful commands such as specifying a username for your connection, using a different port number, generating SSH key pairs, and much more.

ClickHouse is an open-source column-oriented database management system. It is a fast, scalable, and efficient software to use for data analysis updated in real-time. If you are interested in getting started with the software, this article will guide you how to install and use ClickHouse on your CentOS 7 server.

Learn how to set up SSH key authentication on CentOS to safely communicate with remote servers. Create the key pair, copy the public key, connect to the remote server, and disable password authentication.

Ubuntu comes pre-installed with a firewall configuration tool, UFW (Uncomplicated Firewall). This tutorial shows you how to disable and enable an Ubuntu UFW firewall using the command line.

Firewalld is a dynamically managed firewall solution that supports network zoning. As of CentOS 7, firewalld (Dynamic Firewall Manager) is the default firewall tool on CentOS servers. Admins might need to disable firewalld for testing or switching to another firewall tool. This tutorial shows you how to disable and stop the firewall on CentOS 7

If you are using the Sophos Central Admin platform to manage and secure your devices, you will want to activate Server Protection. Deploy Sophos agents on Linux and Windows servers quickly and easily, with the step-by-step help of this installation guide.