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We can build many real-time applications such as chat applications, multiplayer games, financial trading platforms, and collaboration platforms using WebSockets with AWS API Gateway, Lambda, and dynamoDB. In this blog we will learn how to build real-time applications using WebSockets

When working with Git in large, collaborative projects, mastering advanced commands becomes essential for maintaining clean commit histories, isolating bugs efficiently, and managing code across multiple branches. While basic commands like commit, merge, and pull are sufficient for day-to-day work,

Caching is a technique to store frequently used data in a temporary storage so that future requests for that data are faster. In Node.js applications, caching can help improve performance and reduce the load on your database. One popular tool

Option 1: Reduce Worker Threads You can lower the number of worker threads to reduce CPU load. For example, change to –worker-threads 4 or even 2. Steps.1 Edit the systemd service file (if used): sudo systemctl edit amazon-guardduty-agent.service Step.2 Add

Node.js is single-threaded by default, which means it can handle only one task at a time in the main thread. While this works well for many applications, it can cause problems when dealing with heavy CPU-intensive tasks, like image processing,

1. Docker Daemon Is Not Running Error: Cannot connect to the Docker daemon at unix:///var/run/docker.sock Simple fixes: sudo systemctl start docker sudo systemctl enable docker sudo systemctl status docker 2. Container Exited Immediately The container’s main process stopped, for example,

It is important to note that Amazon Linux 2023 is pre-installed with Python 3.9 by default. Some of the old Python version features have been removed in Python 3.9, so you will need to use the latest Fail2ban source code

Data Analysis Expressions (DAX) is a powerful formula and query language used in Microsoft Power BI, Excel Power Pivot, and Analysis Services to perform calculations and manipulate data. It allows users to create custom metrics, measures, and calculated columns, enabling

One of the most common and frustrating issues in IIS on Windows servers is the 500-Internal Server Error, which often appears with vague details, especially when serving static files. The IIS 500.19 Error occurs when the server configuration is invalid,