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KUBERNETES What are containers Before we dive into Container Orchestration, let's review first what containers are. Containers are an application-centric way to deliver high-performing, scalable applications on the infrastructure of your choice. With a container image, we bundle the application along with its runtime and dependencies. We use that image to create an isolated executable environment, also known as container . We can deploy containers from a given image on the platform of our choice, such as desktops, VMs, Cloud, etc. Container Orchestration ? In Development and Quality Assurance (QA) environments, we can get away with running containers on a single host to develop and test applications. However, when we go to production, we do not have the same liberty, as we need to ensure that our applications: Are fault-tolerant Can scale, and do this on-demand Use resources optimally Can discover other applications automatically, and c...
Jenkins Slave (Mac) Setup:- Go to Manage Jenkins and Select Manage Nodes Click on New Node Give the node name Give the executors Give the Remote Root Directory Specify a label name, For example: any custom name Select the launch method as: Launch agent via Java Web Start Click on Save, once done with above steps. Below the output, we see once after saving the changes. To start Mac Slave communication for Jenkins server Create a script for running the java JNLP from slave machine using the below content mentioned in the box. java -jar /Users/ssp/Downloads/slave.jar -jnlpUrl http://13.126.145.70:8080/computer/MacSlave/slave-agent.jnlp -secret 4c0a0370a9e9a46edfe939ccab0e9f4707715bd663587ab8c9e8e17287c1cf4c -workDir "/Users/ssp/jenkins" Put the above content in a script (ex: - Mac_Slave_On.sh) Give executable permissions to the script (ex: - chmod +x jenkins_slave.sh) Now To m...
Gradle is an open source, advanced general purpose build management system. It is built on ANT, Maven, and lvy repositories. It supports Groovy based Domain Specific Language (DSL) over XML. This tutorial explains how you can use Gradle as a build automation tool for Java as well as Groovy projects. Prerequisites Gradle is a Groovy-based build automation tool. So, it will certainly help if you have some prior exposure to Groovy. In addition, you should have working knowledge of Java. JDK and Groovy are the prerequisites for Gradle installation. Gradle requires JDK version 6 or later to be installed in your system. It uses the JDK libraries which is installed and sets to the JAVA_HOME environmental variable. Gradle carries its own Groovy library, therefore, we do no need to install Groovy explicitly. If it is installed, that is ignored by Gradle. Following are the steps to install Gradle in your system. Step 1 − Verify JAVA Installation First of all, you need to ha...
Thanks for giving a great information about DevOps Good Explination nice Article
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