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Applications’ infrastructure migrations are a vital area of DevOps field. So many times, we need to migrate the applications from one cloud platform to the other. In order to carry out the migrations in an appropriate way, we should have some set of standards defined which make migrations smooth. In this blog, I’ll be discussing...
Docker Swarm has gained a lot of popularity in the last few months. It is Docker's orchestration tool. Docker has been coming up with a lot of updates and Docker Swarm is very stable as compared to when it was launched. It is as Docker says "Production Ready." You can go through the blog written by my colleague on how to setup Docker...
Security Best Practices More and more organizations today realize how important it is to manage security of their websites and applications on cloud or on-premise datacenters. Organizations are rapidly adopting Hybrid Cloud models in which managing security is of paramount importance. In order to cater to rapidly changing business...
AWS CloudFormation is a service which gives us the flexibility to manage and provision our AWS resources. It gives us the option to choose sample templates or to design our custom templates to launch and provision the resources. It also gives the option of AWS CloudFormation Designer using which the templates are visualized. I have...
Use Case I came across a use-case, where I had to integrate Amazon Simple Email Service (SES) to send transactional emails from a JAVA application using my own registered domain. This blog will guide the reader through the basic steps required for setting up or integrating Amazon SES with my JAVA application. About Amazon SES It...
Continuous Delivery is the term that comes with agile methodology. You want to make changes frequently and deliver them without hassle onto production environment. Spinnaker is a Continuous delivery platform developed by Netflix that can make your way easy. According to the official website: "Spinnaker is an open source, multi-cloud...
Sharing one of my use-cases, Jenkins has been increasing over past few weeks, and we were about to hit the 50GB capping for Elastic Block Storage volumes on the Amazon EC2. And this is a problem that is affecting a lot of our team developers to test their build packages on the different environments. But, every time we have to increase...
Django is a high-level Python Web framework that can help you get your Python application or website off the ground. It includes simple development server for testing the code locally, but in the production environment, a more secure and powerful web server is required. uWSGI is an application server container that aims to provide...
So you have spent some odd years of your software development career and now you know many of those RDBMS implementations in and out. In fact, you also already know that RDBMS is not the only enterprise storage and due to frequent scalability issues you encountered, someday you found about Big Data tools. Chances are you were...
Refer this blog to get a basic understanding of using self-signed SSL certificates on your Apache server. Also, the above link will help you in generating a private key and a CSR (Certificate Signing Request), which contains information about your country, locality, company, your public key, etc.; for your server. For commercial...
One security challenge we face these days is how to prevent our web servers from DDOS attacks. This blog illustrates how we can automatically block unwanted traffic based on request rate by using AWS WAF and Lambda. This setup automatically detects traffic based on request rate, and then updates AWS WAF configurations to block...
In today's blog, I will be explaining how to set up Kubernetes Minion nodes in multiple availability zones on AWS. Please refer this blog if you are new to setting up a cluster on AWS EC2. It uses a kube_up script to bring the cluster up on single Availability Zone (AZ). If that zone goes down due to some reasons, your entire...
