Add Section on Docker CE for Linux and Install guide in index.md (#27351)

* Create index.md

Installation and Setup guide for Docker CE on Linux.

* Rename guide/english/linux/install-and-Setup-DockerCE-in-linux/index.md to guide/english/linux/install-and-setup-dockerce-in-linux/index.md

guide/english/linux/install-and-setup-dockerce-in-linux/index.md

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+---
+title: Install and Setup for Docker CE on Linux
+---
+
+##Requirements
+
+Docker CE requires a 64-bit version of one of the below Linux distros:
+
+1. Bionic 18.04 or Newer.
+2. Xenial 16.x.x .
+3. Ubuntu Trusty 14.0 (LTS).
+
+Note: Docker CE is supported on Ubuntu x86_64, ARM_hf and IBM Z s390x architectures.
+
+##Uninstall previous version
+
+Note: Also known as Docker / Docker-Engine.
+
+Run Command in SSL/Bash: <br>
+`$ sudo apt-get remove docker docker-engine docker.io`
+
+##Install Latest Version
+
+###Install Using Repository:
+
+1. Update apt Package Index
+  Run: <br> `$ sudo apt-get update`
+  
+2. Install Packages
+  Run: <br> `$ sudo apt-get install \
+             apt-transport-https \
+             ca-certificates \
+             curl \
+             software-properties-common`
+             
+3. Add Official GPG Key
+  Run: <br> `$ curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -`
+  
+4. Verify Key Fingerprint by searching last 8 characters.
+  Run: <br> `$ sudo apt-key fingerprint 0EBFCD88
+
+             pub   4096R/0EBFCD88 2017-02-22
+                   Key fingerprint = XXXX XXXX XXXX XXXX XXXX  XXXX XXXX XXXX XXXX XXXX
+             uid                  Docker Release (CE deb) <docker@docker.com>
+             sub   4096R/F273FCD8 2017-02-22`
+             
+  Note: Replace 'XXXX' with your Key.
+  
+###Install Using Docker CE Package
+
+1. Update apt Package Index
+  Run: <br> `$ sudo apt-get update`
+  
+2. Install Latest Version
+  Run: <br> `$ sudo apt-get install docker-ce`
+             
+3. Install Specific Version
+  Run: <br> `$ sudo apt-get install docker-ce=<VERSION>`
+  
+  Note: Replace <VERSIO> with desired version coed. Eg: docker-ce=17.06.0~ce-0~ubuntu
+  
+4. Verify Instalation Success.
+  Run: <br> `$ sudo docker run hello-world`
+  
+##Post Installation
+
+Usefull guides on using Docker on Linux can be found here: 
+
+https://docs.docker.com/install/linux/linux-postinstall/
+https://docs.docker.com/config/daemon/
+  
+  
+  
+  
+  
+
+