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How to Configure DocumentDB TLS Settings via AWS Console

The following steps show how to identify your parameter group, verify AWS DocumentDB TLS settings, and modify them all from the console. Identify the Cluster’s Parameter Group If your cluster uses a default parameter group (example: default.docdb4.0), you cannot modify TLS settings yet. You must create a custom cluster parameter group. Create a Custom Parameter Group If you do not already have a custom parameter group: 1. In the left menu, select Parameter groups. 2.

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Sajna VM December 2, 2025

A Guide for Monitoring CPU Usage and Processes in Linux

When you are using Linux, knowing how to check your system’s CPU and process usage is a very useful skill. It helps you diagnose performance issues, find processes hogging resources, and keep everything running smoothly. In this blog, we will go through the process of Monitoring CPU Usage and Processes in Linux. Why Monitor CPU and Processes? A system under heavy load because of too many processes, a misbehaving program, or just high demand  can

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Merin John November 28, 2025

How to Remove a Systemd Service in Linux

In modern Linux distributions, the systemd system and service manager handles the startup, stopping, and supervision of system services. While this structure brings consistency and power, there are times when you’ll want to remove a service entirely — perhaps because it’s no longer needed, conflicts with other components, or you’re simply cleaning up your system. This blog will walk you through how to safely identify, stop, disable, and remove systemd service in linux so your

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Sourav AJ November 25, 2025

How to Improve Website Performance with gzip and Nginx on Ubuntu

Website performance is critical for both user experience and search engine ranking. One key factor affecting performance is the size of the files that browsers must download. Reducing file sizes speeds up loading times and reduces bandwidth usage. In this blog we’ll learn How to Improve Website Performance with gzip and Nginx on Ubuntu Introduction gzip is a popular data compression method that can significantly reduce the size of web files. Nginx can be configured

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Jishnu V November 21, 2025

How to Install  and configure  PHP MongoDB Driver on Ubuntu 

1. Install Prerequisites Before installing the PHP MongoDB driver on Ubuntu, ensure that you have the necessary tools and dependencies: Run the following commands to install the required dependencies: This installs PHP, the PHP development tools, and the required libraries for compiling extensions. 2. Download MongoDB PHP Driver (1.7.4) You can download the MongoDB PHP driver 1.7.4 directly from the PECL website or use wget to download it. This will download the .tgz archive file

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Sajna VM November 21, 2025

How to Setting Up an Apache Grafana Reverse Proxy

Grafana is a powerful open-source platform for monitoring and observability, widely used for visualizing metrics and logs. When serving Grafana in production environments, it’s often beneficial to use a reverse proxy, and Apache HTTP Server is a popular choice for this purpose. This setup is commonly known as Grafana Reverse Proxy Using Apache, providing better control, security, and accessibility. What is an Apache Grafana Reverse Proxy? An Apache Grafana reverse proxy is a configuration where

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Jishnu V November 14, 2025

How to Install SQLAlchemy on AlmaLinux

Introduction SQLAlchemy is referred to as the toolkit of Python SQL which provides developers with the flexibility of using the SQL database. The benefit of using this particular library is that it allows Python developers to work with the language’s objects, and not write separate SQL queries. They can basically use Python to access and work with databases, and this same approach applies when Installing SQLAlchemy on AlmaLinux for efficient database handling. Prerequisites 4. Python

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Merin John November 14, 2025

How to Configure AWS CloudFront 

You simply log into AWS and go to the CloudFront service page.Clicking Create Distribution tells AWS you’re starting a new CDN configuration. Choose Your Origin The origin is where your actual files or data live. Important settings: Origin Protocol Policy ,  HTTPS onlyEnsures CloudFront communicates securely with your origin. Origin PathLets you limit CloudFront to a subfolder inside your origin (only serve /static/ files). After configuring, you click Add Origin. Key settings: Viewer Protocol Policy 

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Sajna VM November 14, 2025

How to install Phusion Passenger with Apache HTTP Server on Enterprise Linux 8 (EL8)

Introduction When deploying modern web applications such as Ruby on Rails, Python, or Node.js, managing app processes efficiently is crucial. Phusion Passenger is a robust application server that integrates seamlessly with Apache HTTP Server, handling app processes automatically while improving performance and reliability. In this guide, we’ll walk through the steps to install Phusion Passenger with Apache on Enterprise Linux 8 (RHEL 8, CentOS 8, or Rocky Linux 8) using the official RPM packages provided

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Sourav AJ November 11, 2025

How to Connect to Amazon DocumentDB Using mongosh: Common Errors and Solutions

1.Wire Version Mismatch “MongoServerSelectionError: Server at <cluster-endpoint> reports maximum wire version 6, but this version of the driver requires at least 8 (MongoDB 4.2)” DocumentDB 3.5 (and 3.6) supports MongoDB wire version 6 (features roughly equivalent to MongoDB 3.6). Modern clients (mongosh 2.x, Node.js driver 4.x, MongoDB shell 8.x) require wire version 8 or higher, which corresponds to MongoDB 4.2+. The client attempts to use features the server does not support → connection rejected. Solution

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Sajna VM November 7, 2025
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