SysAdmin

The tr command is a utility used for translating, deleting, or squeezing characters from standard input. This guide shows how to use the tr command to perform basic text processing.

Learn how to use the exec command in Linux to replace the currently running process.

Jenkins is designed to balance parallel jobs from multiple build agents. The agents connect either locally or via the cloud. This article will show you how to configure Docker containers to work as Jenkins build agents.

The ACL (Access Control List) controls user privileges for accessing system locations and resources. This article will focus on the role of ACLs in networking. It will explain ACL components and common ACL types and provide advice on how best to implement the ACL on a network.

winget is Microsoft's package manager for Windows 10 and 11. This tutorial shows how to install and use winget.

Veeam Plugin for VMware Cloud Director brings convenience to Cloud Director users. You do not have to switch accounts and portals to perform backup activities.

Ubuntu 22.04 LTS is the newest Ubuntu version with great new features. Follow this guide to install Ubuntu 22.04 in no time.

Odoo is a business management platform written in Python and JavaScript that uses PostgreSQL as a backend. Learn how to install Odoo 15 on Ubuntu 20.04 in this step-by-step guide.

Email messages are transferred over the internet using email protocols, i.e., rules for routing and addressing email data over the network. This article will compare three popular email transfer protocols - IMAP, POP3, and SMTP, explain how each of them works and how they work together to enable email messaging.

You can perform math and arithmetic operations in Bash directly. Although the functionalities are basic, the examples from this tutorial show how to maximize the use of math in Bash scripts.