SysAdmin

This guide covers practical SSH commands such as specifying a username for your connection, using a different port number, generating SSH key pairs, and much more.

This tutorial covers the use of several networking tools and utilities for pinging a specific port number. Even though the primary use of the ping command does not involve ports, it can be used in order to check if a port is open or not by trying to establish a connection with it.

This tutorial shows you how to install, configure, and perform basic commands in Apache Hive. Improve your Hadoop cluster by allowing it to communicate with relational databases conveniently.

Red Hat is a popular and influential Linux distribution. Many Linux operating systems are based on Red Hat architecture, (RHEL, Fedora, Rocky Linux). This tutorial will show you how to check the system version of your Red Hat Enterprise Linux (RHEL).

Kubernetes is a feature-rich orchestration tool that can seem daunting to a beginner. The best practices outlined in this article will help you create a stable and efficient Kubernetes cluster.

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.

The find command is a useful command-line tool in Linux. This tutorial shows how to use the find command.

Knowing how to start, stop and restart Nginx is essential for managing an Nginx web server. For example. whenever making any configuration changes to Nginx you need to restart or reload the Nginx service. This tutorial outlines efficient methods for starting, stopping and restarting Nginx.

This clear-cut tutorial explains how to download and configure phpMyAdmin on Debian 12. Also, find out how to thoroughly prepare your server by installing a LAMP stack.

This tutorial explains what the APT package manager is and how to use it. Read this text to learn why the APT package manager is used and its best practices.