As we know that Docker has released a newer version of their Docker Engine i.e. version 1.9. One major change is in the way we handle Docker networking and that is what we will be talking about in this blog. You can install the latest version of Docker from this link. It is supported in the newer […]
I have always loved using Docker the traditional way. Running commands like docker run etc. has been the way we use Docker. While surfing the internet, I found this chrome app which can be downloaded and installed via google chrome and easily be used for getting a user-interface for your Docker Engine. It simplifies the […]
It is really a very big problem to apply indexing or executing any query on a table containing millions of records. There is a large probability of query taking locks on the table. A few people just wait for the query to execute while some just end up killing important background queries. Both the above-mentioned […]
The lifecycle hooks are the great feature of auto scaling, it helps to control instance launch and termination state within auto-scaling group. I got to know about this hidden feature when I was looking for a solution where I had to perform some automated tasks on the instance before adding/removing it from auto-scaling group. I was […]
This blog is about using Amazon Elasticsearch with Amazon Cloudwatch. I had a use case where I have to make a setup for centralised logs, which can be done by using Amazon ElasticSearch and CloudWatch services. Pre-requisites: New Amazon Elasticsearch Instance can be setup from here. A new EC2 Instance with an attached role having […]
This blog post refers to a newly established concept in Docker Technology i.e. Docker Swarm. The Swarm can be used for clustering of more than one Docker engines. Using Swarm, Docker containers can be launched to any node in the cluster. It comprises of 2 logics based on which containers can be launched and managed […]
Building a Docker image from a Dockerfile, creating a latest tag and pushing it on DockerHub are equivalent to executing three different commands manually. This could be automated by creating a bash script. Well, that was not a big deal until I had a requirement where I needed to perform above actions and additional task […]
In a recent project we were required to move our static content files to some CDN because servers were getting millions of hits every hour and many of the resources on the main page were static (like JS/CSS/etc). I hope most of the people understand CDN already. So, I’m not covering any information on CDN […]
Last week, I got into a situation where I had to scale the application to store unpredictable user sessions in Memcached. The vertical scaling could be extended up to a limit but to meet the application requirements, I had to go with horizontal scaling. AWS does not provide any service to autoscale Memcached nodes according to […]