netstat was one of the first commands I used on a Linux server to monitor network connections between servers. However, on a busy server netstat can be a bit slow to capture and display...

In this post I am going to show how to start up multiple instances of a python app using supervisor on Ubuntu.  This will allow us to run more than one process, on a...

I went for a technical interview yesterday, 1st Oct 2019 and I was asked a question, to name a Linux command for each of the alphabets a to z. I thought the question was...

Updated on Nov 15th 2020 Redis is an open source in-memory key-value store known for its performance and flexibility. Redis has built-in replication and can be set up in a primary-secondary configuration. For more information...

Website need to render fast these days. No one likes to wait for a website to load. Users get frustrated and navigate away if a website is slow. As a result, it is very...

In my previous post here I showed how to setup a mongodb replica set using docker-compose. While this worked fine for testing the database and doing some small tests. However, for this replica set...