First of all, we need to check if port forwarding is enabled or not on our server. For better understanding, we will be using ens18 as a reference interface and all our command executions will be r...

Installation The Docker installation package available in the official Ubuntu repository may not be the latest version. To ensure we get the latest version, we’ll install Docker from the official ...

First of all setup eamil alerts to be sent regarding the new available updates: /tool e-mail set address=mail.harryvasanth.com [email protected] /system script add dont-require-permissio...

Why? It is useful to have both textual and binary backups since the textual backup (without sensitive data, such as passwords) can be read by a human to understand the router configuration, while ...

Pre-requisites The ports on the switches where the APs are to be connected, should be configured with the following VLANs: VLAN 6 (HOME): not tagged VLAN 12 (HOME-Guest): tagged Quickset Mode In...

Requirements Requirements are to have two WiFi networks, one with SSID HOME and connected to the Home VLAN (6), and a guest WiFI network, with SSID HOME-Guest and connected to the Guest VLAN (12)....

Installation First, install Fail2ban using apt: sudo apt update sudo apt install fail2ban Configuration The default Fail2ban installation comes with two configuration files, /etc/fail2ban/jail...

This script is to check if a service is running. If not, restarts the service and send an email to a specific recipient. Preparing the script First of make an executable bash script: touch chec...

Introduction In this tutorial, I’ll guide you through the process of creating a simple Pong game for the TI-84 calculator using TI-BASIC. Pong is a classic arcade game that involves two paddles an...

Introduction Checkmk is a powerful open-source monitoring solution that allows you to keep track of the health and performance of your IT infrastructure. In this guide, we’ll explore advanced conf...