SysAdmin

The Java Development Kit (JDK) is a programming kit for creating Java programs. This tutorial shows how to install and configure Java on Windows 10.

SysAdmins frequently edit the hosts file to create application testing environments and control which websites can be accessed from the system. Read this tutorial to learn how to edit the hosts file on Linux.

Searching for specific files or directories can be time-consuming. You can use a bash command or script to streamline the process. This article is going to walk you through the process in great detail.

HPC architecture represents the design and structure of a computing system that can handle large datasets and complex calculations.
This article explains what HPC architecture is and its key components.

This article explains how user management in Linux works and outlines the most commonly used commands for managing users.

Python 3.9, the latest point release at the time of writing this article, comes with features such as improved time zone support, dictionary updates, and more flexible decorators. Follow this tutorial to upgrade to Python 3.9.

Follow this simple tutorial to learn three different ways to list all databases in PostgreSQL.

The hosts file is a local implementation of the Domain Name System (DNS). It allows users to map IP addresses to local and public domain names, instructing the system on how to resolve host queries. This article teaches you how to edit the hosts file on Mac.

Learn about the git switch and git checkout commands, when to use them, their options and pros and cons.

Learn how to use the Linux ifup command to bring a network interface up.
This text explains the Linux ifup command, its options, and common usage examples.