Server Security Best Practices. Server Security Tips – Secure Your Server with These Best Practices.

There are two ways to change the heap size in Elasticsearch. The easiest is to set an environment variable called ES_HEAP_SIZE.

Private chat with Socket.io, Redis on Node.js. Socket.io has a really good example how to implement a simple chat with private rooms (1:1)

A guide step by step about how to Install MongoDB on Ubuntu 20.04. This is just a short note, so it won't take long.

Step by step guide about how you can backup daily MongoDB using AWS CLI on Ubuntu OS. Discover the way I like to handle this job simple and clean.