Create an AMI from an Amazon EC2 Instance

Create an AMI from an Amazon EC2 Instance :  An Amazon machine Image (AMI) provides a basic platform to launch any instance. AMI is like a template that you can configure with an operating system, software or application server. An Amazon machine Image that can be configured with other Auto scaling groups. From EC2 Dashboard go to the running instances view and select the instance from which you want to create an AMI. You can Create an AMI of a stopped or running instance.

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AWS – Disconnected : No supported authentication methods available (server sent :publickey)

When you launches an instance in AWS, you need Private key to connect that instance to your SSH client. And when you download private key from AWS and try to register this .pem file in PuTTy or Filezilla both breaks your connection. PuTTy sends back an error message “AWS – Disconnected : No supported authentication methods available (server sent :publickey)” why?

So there can be multiple reasons like you are using a wrong DNS name, IP address or wrong login credentials for your instance. But the common case behind this error is private key file format. [Read more…]

How to install Ubuntu 16.04 on Oracle Virtual Box

How to install Ubuntu 16.04 on oracle Virtual Box is a step by step tutorial for beginners and professionals as well. Here we are using windows 8 with 8GB ram as a host operating system and Ubuntu 16.04 as guest operating system. Host operating is a platform where you are installing your Oracle virtual Box Manager.

Oracle Virtual Box is an easy to use software which allows you to work with multiple operating systems on same machine. It let you import VDI, OVF and ISO images for installing the operating system. [Read more…]