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.
Monitoring and Performance
Automation with Scripting
Automated Script Deployment and Execution with SSH
Purpose of the Script The provided script automates the process of uploading and remotely executing various Bash and Python scripts on multiple servers..
Articles
Critical HARDN Security Scripts Vulnerabilities: A Deep Dive
Introduction HARDN is a collection of security hardening scripts designed to enhance system security by enforcing MAC address randomization, TOR routing, directory lockdowns,.
Cybersecurity
SELinux Configuration Guide
Overview on SELinux Configuration Guide SELinux, or Security-Enhanced Linux, is a security architecture integrated into the Linux kernel. It provides a flexible Mandatory.
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:.
Articles
The Do’s and Don’ts of Cybersecurity for Internet-Exposed Servers
Introduction to the Do’s and Don’ts of Cybersecurity With the increasing reliance on internet-connected infrastructure, securing servers exposed to the internet is a.
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.
Monitoring and Performance
Disk Usage Analysis with df, du, and ncdu
Tutorial Overview Learn to analyze and manage disk space usage using df, du, and ncdu on Debian-based systems. These tools help identify storage.
Cybersecurity
Firewalld Configuration on Debian
Overview of Firewalld configuration on Debian Firewalld serves as a front-end to the Linux kernel’s netfilter framework, providing a dynamic interface for managing.
Networking Basics
Configuring SSH Access and Security
Tutorial Overview SSH (Secure Shell) allows secure remote connections to your server. This tutorial covers installation, configuration, and security best practices to protect.