Backup and Recovery

Restoring from Backups

Tutorial Overview This tutorial describes how to restore files, directories, and databases from backups, focusing on both rsync file backups and mysqldump database.

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User and Permissions

Implementing Sudoers File for Fine-Grained Access Control

Tutorial Overview In this tutorial, you’ll learn to configure the sudoers file to grant specific commands and permissions to individual users, allowing fine-grained.

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Articles

Understanding the NIS2 Directive: A Comprehensive Guide

Introduction to the NIS2 Directive The NIS2 Directive (Network and Information Security Directive 2) is an updated European Union (EU) cybersecurity directive designed.

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Automation with Scripting

Automated Email Sender from CSV or Excel File

Prerequisites: Step 1: Create the Script The script: Step 2: Install Dependencies Open your command line or terminal and navigate to the directory.

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Cybersecurity

Vanguard Elite – Comprehensive Hardening and Monitoring Tutorial

1. Overview of Vanguard Elite Vanguard Elite is a set of scripts and tools available HERE designed to harden Debian-based servers by: This.

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Monitoring and Performance

Monitoring System Resources with top, htop, and vmstat

Tutorial Overview This tutorial covers real-time monitoring of system resources using top, htop, and vmstat on a Debian-based Linux system. These tools help.

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Automation with Scripting

All iptables rules list

Overview of All iptables rules list script This article provides a Python script that exports, parses, and transfers all iptables rules list from.

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Automation with Scripting

Set up iptables-persistent on Debian

Introduction: If you set up iptables-persistent on Debian it allows your firewall rules to survive system reboots. This guide will walk you through.

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Clusters

Web Servers with HAProxy for Failover

Two web servers will be load-balanced using HAProxy. Prerequisites Step-by-Step Guide Step 1: Install Apache or Nginx on Web Servers 1. Install Apache or Nginx: Step 2:.

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Cloud Computing

Cloud Computing: A Comprehensive Guide

Cloud computing has revolutionized modern IT infrastructure, offering scalable resources, flexible deployments, and cost-efficiency. This guide provides a comprehensive introduction to cloud computing.

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