Blogs

In continuation with my previous blog “Getting Started with Boto ( python Interface for AWS )”,  today we are going to discuss one of the use case that we used to do daily. Deleting EBS Snapshot which is N days older. We’ll be writing python script using Boto library to delete EBS snapshots which is […]

ClusterSSH is a group SSH administration tool. It is used to control number of xterm windows via single Administration console to allow commands to run on multiple servers over an SSH connection. Sometimes, you may have chances to enter same command on many servers. To do that, you have to login to each server and […]

Firebase is a service that allows us to create real-time apps without having a native back-end(server). Storing and retrieving of data in real-time is done directly from the browser(front-end), i.e. no back-end services is required to fetch the data. Whenever we save data in Firebase, it generates a unique identification ID for each object. Sometimes […]

AWS CloudFormer is a template creation tool and it creates AWS CloudFormation template from our existing resources in AWS account. We can select any supported AWS resources that are running in our account, and CloudFormer creates a template in an Amazon S3 bucket. We will be using AWS CloudFormer to create template of existing infrastructure. […]

This blog post refers to the limitation of not being able to directly spin an instance using an ISO image and to connect a virtual CD ROM with AWS instances. Till date, only workaround for this problem is to create an on-premise virual machine on some hypervisor such as VMware esxi or Cetrix Xen etc. […]

Angular provide services for handling non-view logic, communication with server(back-end) and can holds data & state. These services are singleton objects that can be used to share and organize code. For doing so, angular provides us five cool ways to make a service on the bases of once need. Following are the five approaches that […]

Hi everyone , recently I came accross a usecase where I had to map multiple keys against one value. So Juggling with this I came to know about MultiKeyMap of apache. MultikeyMap is used to map multiple keys against one value . The purpose of this class is to avoid the need to write code […]

As per Google play services 6.5 Highlights : The ActivityRecognitionClient, LocationClient, and PlusClientclasses are deprecated. If you used those APIs in your app and want to call Google Play services 6.5 or higher APIs, you must switch to the new programming model that utilizes GoogleApiClient. As per docs, GoogleApiClient is able to add the multiple APIs  into the single […]

Hello folks. Before diving into the concepts of cgroups and namespaces on ubuntu, there are a few things one must be clear with. 1) Virtualization : Its a method or technique used to run an operating system on top of another operating system. The hardware resources are fully utilized and will be shared by each […]

You must be wondering how to make AMI of the Web Server(EC2 instance) in which you have made some changes. In this blog I will walk you through a script that will ease up your work and make AMI of instances with user specified tags. Consider a use-case where user has made some changes to […]

Configuring server to relay email through Amazon SES will provide easy, real-time access to our sending statistics. It has built-in notifications for bounces, complaints, and deliveries which helps us fine-tune our email-sending strategy. Postfix is a free and open-source mail transfer agent (MTA) that routes and delivers electronic mail. Amazon Simple Email Service Amazon SES […]

  Sysdig is a system exploration tool which can be used for system level monitoring of various machines or EC2 instances. It is an open source tool which captures system state and activity from a running Linux instance. The state is then saved, filtered and analysed to give calculated results. System level troubleshooting is very […]