What PuppetDB can do in your architecture is unbelievable… Yeah!! I started learning the Puppet since few months ago and it’s quiet interesting. And the interesting part is the PuppetDB. It’s a puppet module to store agent nodes details. That…
DevOps Hacks!
How to install and configure Prometheus Node Exporter (node_exporter) as a service?
Once you setup the Prometheus server, you need to configure it to scrape metrics from the remote servers. The default exporter for collecting System level metrics is node_exporter. The node_exporter collects all system level metrics and expose on /metrics endpoint.…
Modern Monitoring Concepts – An Introduction To Prometheus World
One of the important thing in IT is maintaining the infra more reliable and companies are investigating a good amount of money for this. In modern world, the tools are sufficient to collect as many number of metrics as we…
Dockerize your NodeJS app with Nginx as reverse proxy
Normally Dockerizing the Node application is a simple task. We can use the direct on-build images available in Docker hub directly in most cases. That Docker image is enough to deploy the NodeJS application. All versions of on-build Node image…
Docker tutorials – introduction part 2
In this blog post, we are continuing the introduction part on our Docker discussion. I will try to include more commandline usages for managing Docker containers. Managing Docker containers via command-line is very important. I will try to explain the details…
Docker tutorials – introduction part 1
In this series / category, I share the details and tips of Linux containerization technology using Docker daemon. Welcome to Docker world. We all are familiar with the name Docker, now a days. It is a technology to create multiple…
Automated backup job using AWS Lambda
Aim: To automate AWS instance backup job with some retention period. Automated backup job using AWS Lambda. How to Automate AMI Backups & Cleanups, using AWS Lambda (Serverless)? Is it possible to automate AWS AMI creation and deletion using Lambda…