Author: Administrator


  • Introduction Traefik is a modern, dynamic, and powerful reverse proxy and load balancer designed to manage microservices and containerized applications. It supports HTTP and HTTPS traffic, integrates seamlessly with Let's Encrypt for SSL certificates, and works well with Docker and Kubernetes. This guide will walk you through the installation, configuration, and advanced setups, helping you…

  • This involves installing and configuring an MTA (Mail Transfer Agent) like Postfix, writing a script to collect system data, and using a tool like `mailx` or `sendmail` to send the email. ### Step 1: Install and Configure Postfix 1. **Install Postfix**:          sudo apt update     sudo apt install postfix mailutils…

  • When managing an Ubuntu server, it's crucial to monitor SSH access to ensure security and track user activity. This guide covers various methods to check SSH access history, providing explanations and use cases for each. 1. Checking Authentication Logs Explanation The primary log file for SSH access is /var/log/auth.log. This file contains entries for all…

  • To check the IPs of incoming and outgoing traffic on Ubuntu using the terminal, you can use several network monitoring tools and commands. Here’s a comprehensive guide to accomplish this: 1. Using netstat Explanation netstat (network statistics) is a command-line tool that displays network connections, routing tables, interface statistics, masquerade connections, and multicast memberships. How…

  • The transportation industry is undergoing a revolutionary transformation with the advent of connected vehicle communication networks. These networks enable vehicles, infrastructure, pedestrians, and other elements to communicate seamlessly, enhancing safety, efficiency, and overall traffic management. This post delves into the various components, communication types, and protocols involved in connected vehicle communication networks, illustrated with examples…

  • Table of Contents Introduction to Docker What is Docker? Why Use Docker? Key Concepts and Terminology Installing Docker Installation on Windows Installation on macOS Installation on Linux Understanding Docker Architecture Docker Daemon Docker Client Docker Registries Docker Objects Working with Docker Images Pulling Images from Docker Hub Building Custom Docker Images Understanding Dockerfile Managing Docker…

  • Lighttpd a powerful and flexible web server Lighttpd is a powerful and flexible web server that can be tailored to meet the needs of almost any web application. It is a light, fast, and secure web server that’s perfect for environments where speed and low resource usage are critical. Whether you’re running a small personal blog…

  • Fortigate configuration for SD WAN, LANs and VLANS with IPsec Support Configuring a Fortigate firewall to accommodate a complex network setup involves multiple steps, including configuring WAN interfaces, creating VLANs, setting up IPsec tunnels, and defining firewall policies. Each step is crucial in ensuring that the network operates securely and efficiently, meeting the specific needs…

  • FortiGate Basic Configuration Using CLI The configuration steps provided are valid for FortiOS, which is the operating system used by Fortinet’s FortiGate firewall appliances. Specifically, these steps should work with FortiOS versions 6.x and 7.x, which are common and widely used in many environments. However, always refer to the specific documentation for your version of…

  • Introduction to Nginx Server Nginx is a high-performance HTTP server and reverse proxy, as well as an IMAP/POP3 proxy server. Known for its stability, rich feature set, simple configuration, and low resource consumption, Nginx is widely used for serving web content and as a reverse proxy for handling client requests. It was created by Igor…