SysAdmin

The cat command, short for concatenate, is used to display the contents of one or more files, without having to open the file for editing. Learn how to use the cat command by following this article.

The Linux bash shell saves a command history list, allowing you to review and reuse previous commands. Learn how to manage this list using the Linux history command.

Ansible is a Linux-based app used for monitoring and managing remote severs. There are several ways you can make Ansible work on Windows. This tutorial provides a step-by-step guide to three of them.

This article explains why ERR_SSL_VERSION_OR_CIPHER_MISMATCH occurs and the best approach for resolving this SSL error.

This guide outlines 22 essential practices for securing a server and includes a convenient checklist for easy reference.

When a computer runs for a long period of time, applications and operating system features can become unstable. An unstable operating system might have application crashes, hanging applications, or memory leaks. Sometimes even basic system functions become unresponsive.

dig (Domain Information Groper) command is a tool for querying DNS name servers. It is a helpful command for diagnosing DNS problems but is also used to display DNS information. Learn how to use this command by following this article.

Ruby is one of the most popular and versatile programming languages. This tutorial takes you through the step-by-step process of installing Ruby on Ubuntu.

This guide will walk you through several methods for removing old or unwanted software from an Ubuntu system.

Learn how to deploy and set up a Bare Metal Cloud GPU server to run a machine learning environment. Utilize the Intel openAPI library to optimize the machine learning workload, and choose between setting up TensorFlow or PyTorch.