cloud

The article provides a step-by-step guide on how to provision an AWS EC2 instance with an Ubuntu OS and configure Nginx on the server. It explains how to connect to the instance using SSH, install Nginx, and view Nginx in action.

Discover how to create a realtime terminal command execution app using Node.js and Server Sent Event. This tutorial guides you through the process of streaming command output through Server-Sent Events (SSE), enabling realtime updates.

This article provides a tutorial on accessing AWS EC2 instances using AWS Systems Manager (SSM) and outlines the benefits and prerequisites associated with this approach. The key advantages include avoiding exposure of instances to the public internet, managing multiple instances without sharing SSH keys, and executing commands on instances without direct login.

A practical guide to understanding and using iptables in Linux. In this blog post, we explore what a firewall is and how iptables can be used to set up, maintain, and inspect the tables of IP packet filter rules within the Linux kernel, and setup iptables-persistent to persist ephemeral firewall rules. It also provides a step-by-step guide on how to block incoming http connections to a webserver and then unblock it using iptables commands.