Chef solo: Chef Installation and create first cookbook

Install curl for installing chef
apt-get install curl*

Installing chef using curl
curl -L https://www.opscode.com/chef/install.sh | bash
You can choose the chef install link from according to your OS…

SSH Keygen: Is RSA or DSA Better

Here are some of the points to be considered:

* DSA is faster for signature generation but slower for validation, slower when encrypting but faster when decrypting and security can be considered equivalent compared…

Knife-solo: CLI tool for chef

knife-solo adds a handful of Knife commands that aim to make working with chef-solo as powerful as chef-server.

Usage: Having the gem installed will add knife chef subcommands.

Jenkins: Installation on Ubuntu/Debian Machine

Installing Jenkins on Ubuntu or Debian

* If you are installing Jenkins on Debian or Ubuntu, it is convenient to install the native binary package for these platforms. So. First of all, you need to…

Ruby On Rails Installation using RVM (Ubuntu)

For the installation of ruby on rails follow below steps

* Ruby Version Manager: Firstly, we need to install ruby version manager.

MongoDB: Installation on Ubuntu/Debian Machine

• Before making an installation of Mongodb on ubuntu we need to add sources list to local repository.
• First of all, we need to add MongoDB Public GPG Key

JAVA: How to install Java (JRE/JDK) on Ubuntu Machine

Installing default JRE/JDK
 This is recommended and will install OpenJDK 6 on Ubuntu 12.04 and earlier and on 12.10+ it will install OpenJDK7.

* Installing java with apt-get is easy. First update the package
 sudo apt-get update -y

*…