SysAdmin

Use this guide to check your PostgreSQL version with a few straightforward commands. You can retrieve the PostgresSQL version directly from your command line or use an effective SQL statement within the PostgreSQL shell.

The mkdir command in Linux allows users to create or make new directories. This tutorial will show you how to use the mkdir command in Linux.

The lscpu command provides a lot of information about the CPUs in the system. Read this text to learn about the lscpu and its use cases.

The whereis command locates any binary, source, and manual page files for a command. This article elaborates on the Linux whereis command through its use case examples.

The cp command is a command-line utility for copying files and directories in Linux. In many cases, using the command line to copy files is still more efficient than employing a GUI. This article will introduce the cp command and provide examples of its use.

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.