Category Tutorial
RabbitMQ Clustering
RabbitMQ is a robust messaging broker that facilitates the exchange of messages between producers and consumers, ensuring that messages are safely stored until they are delivered. However, when you scale...
Kubernetes Ingress
Kubernetes has become the cornerstone of modern container orchestration, and as applications grow in complexity, managing external access to services within a cluster becomes critical. This is where Kubernetes Ingress...
Demystifying Kubernetes
In the realm of modern software development and deployment, Kubernetes has emerged as a cornerstone technology, revolutionizing the way applications are built, deployed, and managed at scale. In this blog...
Understanding CORS Policy: A Detailed Guide
Introduction to CORS Cross-Origin Resource Sharing (CORS) is a critical security mechanism implemented by web browsers to control how web pages in one domain can make requests to another domain....
Distributed Transactions
In concurrent and distributed systems, managing access to shared resources is a significant challenge. Traditional locking mechanisms, often used in single-threaded or single-process environments, fall short in distributed scenarios. This...
Monitoring Node.js Applications Using PM2
Node.js has become a popular choice for developing server-side applications due to its efficiency and scalability. However, as with any application, monitoring and managing Node.js processes are crucial for ensuring...
SSL Grade A+ using Nginx
How to achieve A+ rating on SSL Labs test on a server running Nginx with Openssl version 1.0.2k.
Optimize Slow Queries in MongoDB with Indexing
MongoDB is a popular NoSQL database known for its flexibility and scalability. However, as your data grows, you might encounter slow queries that can negatively impact your application’s performance. One...
Github Medium style blog
Steps to generate your own custom Blog using Github pages and Mediumish template. Mediumish template is built with Jekyll static site generator tool which has built-in support for GitHub Pages....
Email Security using DMARC, DKIM, and SPF configuration
To safeguard against email-based threats such as phishing, spoofing, and unauthorized access, organizations and individuals must implement robust email authentication mechanisms. In this blog post, we’ll explore the key technologies...
HAProxy setup and configuration
HAProxy (High Availability Proxy) is a powerful open-source solution for load balancing and high availability in networked applications. It is widely used to distribute traffic among multiple servers and ensure...
Perfomance tuning of Apache Server
Apache uses one of following MPM (Multi-Processing Module) for handling incoming requests and processes them. They are Prefork, Worker and Event.
Redis High Availability
When it comes to handling large datasets and ensuring high availability, Redis emerges as a prominent player in the world of in-memory data stores. One of the key features that...
What is Varnish Cache
Varnish Cache is a web application accelerator. It can be installed it in front of any web server like Apache and Nginx to speeds up delivery by a factor upto...
Nginx performance tuning and Security configuration
Nginx (pronounced “engine X”) is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
Tuning of HTTP headers for Security
As the digital landscape evolves, the importance of website security cannot be overstated. Cyber threats and attacks have become more sophisticated, targeting websites with various malicious intents. However, adopting robust...
Generate SSL Certificates
Steps to generate SSL Certificates for Java based servers. Learn how to convert various certificate types.
Advance monitoring and performance tuning in Java
Java advance monitoring and performance tuning settings to be applied in Java Application Server startup files. Works for both Tomcat and Wildfly.
Achieving High Availability using Keepalived
In today’s fast-paced and competitive digital landscape, high availability and fault tolerance have become critical requirements for businesses and organizations. They need their online services to be continuously accessible, even...
Big O Chart
Big O Notation is a mathematical function used in computer science to describe an algorithm’s complexity. It is usually a measure of the runtime required for an algorithm’s execution. But,...
Scaling PHP to Millions of Users
PHP is a popular server-side scripting language known for its ease of use and flexibility. However, as your web application gains traction and attracts millions of users, your PHP codebase...
Application Deployment
Application deployment is a crucial phase in the software development process. It involves releasing the latest changes, updates, or new features to the production environment, making them available to end-users....
MySQL Master Slave Replication (with 0 downtime)
Replication is a critical feature in MySQL that allows you to copy data from one server (master) to one or more servers (slaves/replicas) for high availability, scalability, and redundancy. Setting...
MySQL Master Master Replication
MySQL Master-Master replication is a powerful technique for high availability and load balancing in database management. This setup ensures data redundancy and improved fault tolerance, making it suitable for applications...
Wildfly Clustering
Understanding Wildfly Session Clustering Wildfly, formerly known as JBoss Application Server, is an open-source, lightweight, and high-performance application server that supports the Java EE (Enterprise Edition) platform. Wildfly session clustering...
MySQL Joins
MySQL joins are a fundamental concept in database management, allowing you to combine rows from two or more tables based on related columns between them. This is incredibly useful when...
Lsyncd file Synchronization
In today’s fast-paced digital world, data synchronization between servers is a crucial component of maintaining data integrity and availability. Whether you’re managing a web application, a database cluster, or simply...
Category Tuning
Optimize Slow Queries in MongoDB with Indexing
MongoDB is a popular NoSQL database known for its flexibility and scalability. However, as your data grows, you might encounter slow queries that can negatively impact your application’s performance. One...
Perfomance tuning of Apache Server
Apache uses one of following MPM (Multi-Processing Module) for handling incoming requests and processes them. They are Prefork, Worker and Event.
Redis High Availability
When it comes to handling large datasets and ensuring high availability, Redis emerges as a prominent player in the world of in-memory data stores. One of the key features that...
Nginx performance tuning and Security configuration
Nginx (pronounced “engine X”) is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
Advance monitoring and performance tuning in Java
Java advance monitoring and performance tuning settings to be applied in Java Application Server startup files. Works for both Tomcat and Wildfly.
Scaling PHP to Millions of Users
PHP is a popular server-side scripting language known for its ease of use and flexibility. However, as your web application gains traction and attracts millions of users, your PHP codebase...
Category Security
Email Security using DMARC, DKIM, and SPF configuration
To safeguard against email-based threats such as phishing, spoofing, and unauthorized access, organizations and individuals must implement robust email authentication mechanisms. In this blog post, we’ll explore the key technologies...
Nginx performance tuning and Security configuration
Nginx (pronounced “engine X”) is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
Tuning of HTTP headers for Security
As the digital landscape evolves, the importance of website security cannot be overstated. Cyber threats and attacks have become more sophisticated, targeting websites with various malicious intents. However, adopting robust...