Amazon EC2 (Elastic Compute Cloud) is a key component of AWS that provides scalable and resizable computing capacity in the cloud. Imagine being able to request a virtual server on demand, adjust its resources as needed, and only pay for what you use. That’s the flexibility and power of EC2. In this post, we’ll walk…
IAM (Identity Access Management) in AWS
Imagine your AWS environment as a high-security building. Not everyone can waltz in and do whatever they like. That’s where AWS Identity and Access Management (IAM) steps in, acting like the building’s security system. It ensures that only the right people (or applications) can access the right rooms (AWS resources) and only perform specific tasks….
Forward Proxy and Reverse Proxy Explained
In the digital world, proxies serve as intermediaries, standing between a device and the internet. Whether you’re aiming to browse securely or ensure smooth access to web applications, proxies help manage and streamline network traffic. Let’s break down proxies into two types: forward proxies and reverse proxies, each with its unique purpose and role. Proxy…
How DNS Works and Why It Matters
In the vast world of the internet, each website we visit, like facebook.com or google.com, relies on a unique identifier called a domain name. But behind the scenes, the internet doesn’t understand domain names; it communicates using IP addresses, which are numerical labels like 192.168.1.1. The Domain Name System (DNS) acts as the internet’s phonebook,…
Power of AWS for DevOps
In the world of DevOps, automation, continuous delivery, and collaboration between development and operations are essential for building efficient software systems. Cloud computing plays a key role in this process, and AWS (Amazon Web Services) has become one of the most popular cloud platforms used by DevOps teams worldwide. Let’s explore what AWS is, how…
3-Tier Architecture for Software Systems
When you log into a website, several layers work together to process your login details and keep your information secure. This is made possible by a system known as 3-tier architecture, which organizes the application into three distinct layers. Each layer handles a specific part of the process, making the system more efficient and secure….
Parent-Child Relationships in Linux Processes
In Linux, every process is either a parent process or a child process. The parent process is the one that initiates or starts another process. The process that gets started is called the child process. This hierarchy is similar to a family tree, where each child can have its own children, forming a chain of…
Network Management in Linux Administration
When we talk about network management in Linux, we’re discussing the methods and tools used to control, monitor, and manage network communication between computers and servers. Just like you connect your home devices to a high-speed internet service like Airtel or Jio Fiber to access the internet, servers in the cloud (like those hosted on…
Package Management in Linux Administration
When you think about managing software on your computer, you might imagine downloading a file from a website and clicking through an installer. However, in the world of Linux, package management works a bit differently. Let’s break it down in a way that’s easy to understand. What is Package Management? Package management in Linux refers…
Service Management in Linux Administration
When working with Linux servers, understanding how to manage services is a crucial skill. Services in Linux are background processes that perform specific tasks, like hosting a website or managing user access. In this blog post, we’ll explore the basics of service management in Linux, covering commands to start, stop, restart, check the status, and…