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"""
Copies all keys from the source Redis host to the destination Redis host.
Useful to migrate Redis instances where commands like SLAVEOF and MIGRATE are
restricted (e.g. on Amazon ElastiCache).

The script scans through the keyspace of the given database number and uses
a pipeline of DUMP and RESTORE commands to migrate the keys.

Requires Redis 2.8.0 or higher.

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::KUBERNETES::

Why do we need Orchestration?

- To start a container cluster with simple commands.
- To auto-scale
- To maintain cluster state


Orchestration Tools for Docker:

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apiVersion: v1
kind: Service
metadata:
  name: redis-master
  labels:
    app: redis
    tier: backend
    role: master
spec:
  ports:

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MongoDB with Mongo Express

The following commands will run MongoDB in docker with a MongoDB frontend called Mongo Express:

docker run -d -p 27017:27017 --name mongo-db mongo:3.2.12

docker run -d -p 8081:8081 --name mongo-express \
--link mongo-db:mongo  mongo-express

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#	DEVOPS TOOLS & REPOSITORIES	LINK INDEX	USAGE
1	Jenkins	https://jenkins.io/	Pipeline Automation
2	Jenkins Plugins	https://plugins.jenkins.io/	Pipeline Automation
3	Docker	https://www.docker.com/	Containerization
4	Docker Hub	https://hub.docker.com/	Docker Image Repo
5	Ansible	https://www.ansible.com/resources	Deployment Automation
6	Ansible Galaxy	https://galaxy.ansible.com/	Ansible Playbook Repo
7	Puppet	https://puppet.com/resources	Deployment Au

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'''''''''''''''''''''''''''''''''
JAVA BUILD AUTOMATION
'''''''''''''''''''''''''''''''''


Interpreted --

    Input in High Level Language > Interpreter > Converts to Machine Lang > CPU
    Examples: shell scripts, php

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:: SUBVERSION Image with frontend ::

3343 - HTTP CSVN Admin Sites
4434 - HTTPS CSVN Admin Sites (If SSL is enabled)
18080 - Apache Http SVN


To run SVN Server execute the command below:

docker run -d -p 3343:3343 -p 4434:4434 -p 18080:18080 \

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'''''''''''''''''''''''''''''
Module 3 - Process Automation
'''''''''''''''''''''''''''''
Concepts Covered:::

- Jenkins Deployment & Overview
- Process Automation


Jenkins is an open source automation server written in Java. The project was forked from Hudson after a dispute with Oracle.

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:: NFS ::

NFS, stands for Network File System, is a server-client protocol used for sharing files between linux/unix to unix/linux systems. NFS enables you to mount a remote share locally. You can then directly access any of the files on that remote share.

- Test Nodes:

NFS Server Hostname: server1
NFS Server IP Address: 192.168.1.104/24
NFS Client Hostname: server2
NFS Client IP Address: 192.168.1.102/24

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Prerequisite Concepts  - 

- Hosts file in Linux :


- Web Server : Apache & Nginx, IIS

:: Steps to deploy a package in Linux:
1. Install it --> # yum install httpd
2. Configure it --> checking the config file