UFW Firewall Configuration
Overview of UFW Firewall Configuration UFW (Uncomplicated Firewall) is a front-end for managing iptables firewall rules on Linux. It simplifies the process of.
Cybersecurity
Articles Cybersecurity
Automated Security Hardening Belongs on Fresh Debian Installs
Automated Security Hardening belongs only on fresh Debian deployments. Security hardening is crucial for ensuring that your Debian server is resilient against threats..
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.
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,.
DevOps Practices
Continuous Integration and Deployment with Jenkins and Docker
Continuous Integration (CI) and Continuous Deployment (CD) are fundamental practices in DevOps that enhance software development efficiency by automating testing and deployment processes..
Cybersecurity
AppArmor on Debian 12
Overview of AppArmor on Debian 12 AppArmor on Debian 12 provides mandatory access control to enhance system security by confining applications. It protects.
Automation with Scripting
Automate ppp0 Interface Monitoring and Restart
Are you facing issues with your ppp0 interface losing its IP address? This can disrupt your network connectivity and create unnecessary downtime. Automate.
User and Permissions
Understanding and Setting Permissions with chmod and chown
Tutorial Overview This tutorial covers file permissions and ownership management on Linux. Using chmod and chown, you’ll learn to set specific access permissions.
Aggregation
Prometheus and Grafana Monitoring
Overview on Prometheus and Grafana Monitoring Prometheus and Grafana Monitoring is a powerful combination for collecting, analyzing, and visualizing server metrics in real-time..
Clusters
HAProxy Cluster Setup
Overview of the HAProxy Cluster Setup This article walks through a two-node HAProxy cluster setup with high availability using Keepalived. It covers configuring.