Ravi Verma

A practised, professional DevOps engineer with 14 years of experience in the field of DevOps who likes to share technical information with others.

Puppet Error: Could not retrieve catalog from remote server: Error 400 on SERVER: Failed to parse template .erb

When you are creating and defining new template, Puppet use it to parse the file in the agent server but sometimes you might misspelled/right wrong config which leads to throwing error on puppet agent. One of the error which i received is “Error: Could not retrieve catalog from remote server: Error 400 on SERVER: Failed to …

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Continuous Integration vs Continuous Delivery vs Continuous Deployment

Heard about these terms ?? …….  I am sure you did 🙂 Some people says Continuous Integration and Continuous Delivery are same Some says Continuous Delivery and Continuous Deployment are same Some people have a myth that Continuous Delivery means all the builds are  getting automatically deployed into Live environment though automation. Some also thinks that …

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Jenkins Master-Slave setup and configuration with screenshots

Howdy friends …. As promised in our Jenkins Installation & Configuration article, here we are with the configuration of Jenkins Master-Slave setup. We have already learnt about Jenkins Installation and basic Configuration along with setting up our first project and running a build for the same. Jenkins supports the master-slaves architecture, i.e. many slaves works for a master. …

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Jenkins – Installation and Configuration on RedHat Distributions (inc. Screenshots)

Jenkins : One of the leading and most popular CI/CD tool which is currently used in most of the organisations because of its simplicity, flexibility and lot many features like ease-of-use, extensibility, cross-platforms-working, etc The best thing about Jenkins is that its an Open-Source tool, that means you don’t have to worry about managing licenses, arranging …

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Target Deployment Servers/Environments

In our last article of Software Release and Deployment, we discussed in detail about target deployment servers or environments. I hope you have got an idea about them through our last article, but just to throw more light on deployment environments, I chose to write this article. So, lets start with basics of Target Deployment Servers/Environments. Deployment …

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