Author: Ramdev

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Automation with Puppet – Live WebEX Workshop – DevOps Series

What is Puppet ? Puppet is very powerful configuration management software. Using it can make your life a lot easier if you manage hundreds of  systems. The end user community is very active in Puppet. Every year there is PuppetConf, which hosts training and other sessions of...

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DevOps Series – Automation with Puppet – Part3

Puppet – Commercial Versus Open Source Puppet has an enterprise version that costs money, and a free version. A few differences between them are outlined in below table Feature Open source Enterprise Puppet Console graphical user interface No Yes Puppet?supported modules No Yes Role-based access control...

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DevOps Series – Automation with Puppet – Part2

What Is Configuration Management? Configuration management is a broad term, that relates to products and software. In the information technology/ operations world, configuration management can imply OS configuration, application management and deployment, and product management. Configuration management can be defined as the process that maintains consistency...

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Devops series – Automation with Puppet – Part1

 Overview If you are managing more than a dozen Linux systems, configuration management is a must. Without configuration management, updating system configuration files and deploying applications can become very challenging. This crash course is about using Puppet configuration management software to deploy and support Linux systems in...

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Bash Scripting – Redirecting output in scripts

You can use the STDOUT and STDERR file descriptors in your scripts to produce output in multiple locations simply by redirecting the appropriate file descriptors. There are two methods for redirecting output in the script: Temporarily redirecting each line Permanently redirecting all commands in the script...

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Bash Scripting – Reading user inputs

Although providing command line options and parameters is a great way to get data from your script users, sometimes your script needs to be more interactive. Sometimes you need to ask a question while the script is running and wait for a response from the person...

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