SysAdmin

What Is Kubernetes DaemonSet and How to Use It?

January 9, 2025

The article contains an in-depth analysis of DaemonSets and practical examples of how best to implement DaemonSets in a running Kubernetes environment.

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Netstat Command in Linux - 25 Commands with Examples

January 3, 2025

Read about the most commonly used netstat commands for Linux and see examples of their usage.

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Rocky Linux vs. Ubuntu: Differences Explained

December 30, 2024

Rocky Linux and Ubuntu are two competing Linux distributions. Both distributions aim to be reliable and suitable for different use cases. Although there is no correct option, the choice can have impacting effects. Analyzing the different features of both will help you make an informed decision. This article compares the key features of Rocky Linux […]

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What Is a Reverse DNS Lookup and How Does It Work?

December 25, 2024

This article explains the concept of reverse DNS and its uses. See how to perform rDNS lookup in Linux, Windows and macOS.

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How to Create Sudo User on CentOS and Rocky Linux


This guide will walk you through the steps to create or add a sudo user on CentOS 7. The “sudo” command stands for “Super User DO,” and temporarily elevates the privileges of a regular user for administrative tasks.

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How to Install Vault on CentOS and Rocky Linux


If you need a management system that will store and protect your authentication and authorization data, you may want to install Vault. Apart from managing access to passwords, certificates, and APIs, Vault also provides on-demand secrets, encryption, and revocation. Follow this simple guide to install Vault on a CentOS 7 system.

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How to Configure CentOS and Rocky Linux Network Settings


Configure CentOS and Rocky Linux network settings using the command line or the Network Manager TUI. This guide shows you how to change network specifications and set up a static IP or configure the network interface for DHCP.

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How to Install Node.js and NPM on CentOS and Rocky Linux


Node Package Manager (npm) is Node’s official package manager, used for installing and managing package dependencies. In this guide, learn how to install Node.js and npm on CentOS 7. We also cover managing multiple Node versions and install dependencies.

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How to Install and Use ifconfig on CentOS and Rocky Linux

December 23, 2024

The ifconfig command is a tool for network interface management that is used to enable/disable interfaces, manage IP addresses, netmasks, MAC addresses, etc. This tutorial shows how to install and use the ifconfig command on CentOS and Rocky Linux.

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How to Install Apache Web Server on CentOS and Rocky Linux

December 18, 2024

Apache is a Linux application for running web servers. This tutorial will show you how to install Apache on a CentOS 7 Linux system.

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