Neeraj Gupta

AWS

MongoDB Replica Set on Docker

In the previous blog, we discussed about how to setup MongoDB replica set on AWS EC2. In this blog post, we will be discussing about setting up MongoDB replica set of three Docker containers running on a single host. After going through this blog, you will be able to setup MongoDB replica set in a few minutes and it will be easy to...

31-Aug-2015

Technology

Using Nagios Core and NRPE to monitor remote linux hosts

Prerequisites: This tutorial requires existing Nagios server to be up and running and root privileges for Nagios server and remote Linux host. Please follow this blog for its setup. Most of the system administrators write custom shell scripts  to do basic monitoring and sends email in case services crosses defined thresholds, but...

31-Jul-2015

AWS

How to Setup Replica Sets in Mongo DB (AWS EC2)

MongoDB is a popular NoSQL database that stores data in JSON like documents dynamic schemas instead of storing your data in tables and rows as you do with a relational database. In this blog we will setup Mongo DB replication on single node to demonstrate high availability and failover mechanism. What is a MongoDB Replica Set ? We...

22-Jun-2015