Tag Archives: Devops

DCOS : Deploy a Load Balanced App using Marathon-lb


In this blog, we are going to deploy a sample load balanced app over DCOS and expose it to the outside of the cluster using Marathon-lb. Here we will be using a containerized application which serves a DCOS site. Here … Continue reading

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CI/CD: The Jenkins Way


First, There was Waterfall model, software builds took a long time to develop and then deployment alone was time-consuming. Now, Agile, revolutionizing the way we follow the development cycle making it faster, deliverables have the same quality and they are … Continue reading

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Setting Up Master Slave Machines Using Jenkins


Jenkins is a cross-platform, continuous integration and continuous delivery application that can be used to build and test your software projects continuously making it easier for developers to integrate changes to the project, and making it easier for users to … Continue reading

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Setting Up Cassandra Cluster Through Ansible


In this post, we will use Ansible to and set-up an Apache Cassandra database cluster. We will use AWS EC2 instances as the nodes for the cluster. Creating a cluster manually is a tedious task. We have to manually configure … Continue reading

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NGINX – Redirecting HTTP to HTTPS


Using HTTPS is highly recommended and I cannot stop when explaining the benefits of using it! Also something which is more important is to make sure when HTTPS is setup it is ensured that all traffic via HTTP is blocked … Continue reading

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NGINX – Load Balancing your application made easy


Often there are requirements to load balance your application in order to scale out and make your application more performant and NGINX can be used to do just that! It can distribute your traffic to several application servers. There are … Continue reading

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NGINX – Redirecting traffic between www and non-www domain


Just in case you ever wondered whether the re-routing from www to non-www or non-www to www domain is possible using NGINX then you bet it is! In fact it is very simple and can be done using the following steps … Continue reading

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NGINX – Disable direct access (via http and https) to a website using IP address


For the requirements wherein direct access to a website using IP address has to be disabled/blocked, following steps can be followed To disable/block direct access to IP for port 80 create a new or add to an existing (as required) … Continue reading

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NGINX – Easiest way to setup SSL using .pfx files


I’ll try to explain the easiest way to use a .pfx file that can be used to install SSL on NGINX. We’ll start by extracting the CRT file using openssl with the following command openssl pkcs12 -in ./YOUR-PFX-FILE.pfx -clcerts -nokeys … Continue reading

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Ansible: Do more with ease.


In software engineering, software configuration management (SCM or S/W CM) is the task of tracking and controlling changes in the software, part of the larger cross-disciplinary field of configuration management. SCM practices include revision control and the establishment of baselines. … Continue reading

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