A subnet in AWS is like a physical building within a specific location (called a region). For example, take the Ireland region (eu-west-1). In Dublin, AWS may have 3 separate buildings — each one is a subnet, located in a different Availability Zone (AZ). 📌 Why Subnets Exist This setup is all about High Availability…
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Amazon VPC (Virtual Private Cloud) is like your own mini data center in the cloud. Routing within a VPC is essential for controlling how traffic flows between subnets, the internet, and other AWS or on-premises networks. 🧭 1. What Is a Route Table? A route table in AWS defines how traffic is directed within and…
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☁️ AWS Networking Terminology (with Explanations) 📊 Diagram BelowThe diagram illustrates how connections between VPCs and AWS Regions work — including how traffic flows through Transit Gateways and peering links.
📁 Create and Delete a Folder (Directory) in Linux ✅ Create a Folder To create a folder (directory), use: 🗑️ Delete a Folder To remove an empty directory: If the folder is not empty, use: ⚠️ Be cautious with rm -r — it deletes everything inside the folder. 🔐 Change Folder Permissions 1. Change Ownership…
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📌 Step 1: Update your package sources Open a terminal and run: 📌 Step 2: Install Cockpit Cockpit is available in the official Ubuntu repositories. Install it with: 🚀 Extra options: Want the Docker, NetworkManager, or Storage modules as well? Install them with: 📌 Step 3: Start and enable the Cockpit service After installation, make…
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