Many a people who are into Dev-Ops may think why comparing Docker which is a container technology with configuration management tools like Puppet. Why we included docker is that it serves the same purpose as configuration management tools like Puppet, Ansible and Chef ie deployment of configuration changes. Docker will do this deployment in a bit different way. Before comparing the above three listed technologies, we are going to let you know about the basic similarity they have and the purpose they are used and designed for. All of these take the configuration of an environment as their input, work on them and produce their source code as an output, which is the core use of them all. The code being used and produced by these technologies can be managed by git or other platforms which help us to assemble and merge the code in a more flexible way. Now after briefing you about the core purpose, We are going to tell you about their differences by making a comparison on all of them. Listed below are some core differences among all of them: Puppet Ansible Docker This technology seems more appealing to task and operations which do not need any development background. This technology is suitable for front-end developers where programming may be used a little somehow. Docker is known as a “Container technology”. It is a complex technology...Read More
Author: Surendra Anne
In this post, we will see on how to install software in a machine using Puppet. Puppet is all about how you manage servers/machines in a programmatical way by using underlying tools. For example take installing a software, puppet will talk to software installing tools like rpm/Yum/apt-get/MSI(Windows Microsoft Installer) etc in order to install required packages. In this post we will see how it do it and some examples of installing software using Puppet tool. How Puppet install packages? It is simple, Puppet uses ruby scripts which are located in /usr/lib/ruby/vendor_ruby/puppet/provider/package(On Linux based machine) to talk to above mention software...Read More
Many people who are into Computer systems infrastructure automation and administration field that Luke is a down to earth and creator of Puppet. He Stepped down from Puppet CEO post today. He hinted this when Puppet hired Sanjay Mirchandani as potential future CEO. Sanjay was a senior executive in VMware before this. We see a complete reshuffle of Puppet management from past 6 months which I feel good for a company like Puppet which is growing beyond what they expected. A company like Puppet require more international exposure in terms of engagement. They started an office in Sydney last year which is bit late. Luke mention in a letter to employees “It became clear to me by early 2015 that I was running out of steam and far from what I love to do most, and far from my core skills. We need to scale, and we need to execute.” More info at https://puppet.com/blog/handing-over-reins Thank you, Luke, for giving “Sysads” like me a wonderful tool to make our lives simpler and more...Read More
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Linux Bash History: Replace occurrences in last commandNov 20, 2016 | Basics
My name is Surendra Kumar Anne. I hail from Vijayawada which is cultural capital of south Indian state of Andhra Pradesh. I am a Linux evangelist who believes in Hard work, A down to earth person, Likes to share knowledge with others, Loves dogs, Likes photography. At present I work at Bank of America as Sr. Analyst Systems and Administration. You can contact me at surendra (@) linuxnix dot com.