Lessons Learned in Jenkins Management

Lessons Learned in Jenkins Management:

Managing the configuration of Jenkins is not trivial; even a small change can make the platform less stable or result in problems. Vishal Sahasrabuddhe talks about his real-world experiences with Jenkins and details how to take advantage of its many powerful features while avoiding possible pitfalls.

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Colour formatting - Jenkins Console

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Jenkins is the main CI tool used in Software industry. This is the backbone tool for all CI and CD implementation, Build - release and deployment methods. With the help of 100s of plugin available around the jenkins, We can achieve so much of automation around build process including build/deployment pipeline, notification, analysis, pre and post build action etc.

Jenkins has tremendous power to perform great amount of work around the core build process. Many time we write script in pre and post build action to perform many tasks which is becoming very command and necessary for automation.

But the main limitation in running shell script is that it's very difficult to make it more human readable for errors and make it fancy.

Today i am going to cover some steps to make the output of shell script colour formatted.

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First install following jenkins pluginhttps://wiki.jenkins-ci.org/display/JENKINS/AnsiColor+Plugin

Go to jenkins configuration page and check the…
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Manage Docker images on local disk

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Soon container become very heavy and consume too much of disk space, If you do not delete old images and layers you may soon run out of disk space. Here i am trying to cover the ways to regain the disk space consumed by docker images. Moving docker filesystem to bigger mount point.Usually docker keeps all temporary files related to image building and layers at /var/lib/docker This path is local to the system usually at root partition "/". You can mount a bigger disk space and move the content of /var/lib/docker to the new mount location and make sym link.  This way even docker images occupy space, will not affect  your system as it will be using some other mount location.
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