Create test Apache site with Docker

This tutorials shows steps on how to run docker and setup a test Apache site using a docker image. This tutorial aims to introduce the basic operation of docker and how to use it on a Linux environment.

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Connect to Linux EC2 instance using PuTTY

When you create a new EC2 instance and created new keys, the keys are on the pem key format. This is used for SSH connection and is usable from a Linux terminal or OSX. However, if you are from windows and you use PuTTY to connect to your EC2 instance, you need to convert your pem key to ppk format which is accepted by PuTTY.

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Essential Docker commands

Docker is the most popular container technology. It is designed to make it easier to create, deploy, and run applications by using containers. Docker behaves similar to a virtual machine hypervisor. But unlike a virtual machine, rather than creating a whole virtual operating system, Docker allows applications to use the same Linux kernel as the system that they’re running on and only requires applications be shipped with things not already running on the host computer. This gives a significant performance boost and reduces the size of the application.

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