jenkins master and slave concept

What are Jenkins and Master-Slave

1.What is Jenkins:

• Jenkins is an open-source project written in java that runs on Windows,macOS, and another Unix-like operating system. It is a free community supported and might be your first choice tool for CI.

• Jenkins Automate the entire software development.

• Jenkins was originally developed by Sun Microsystem in 2004 under the name Hudson.

• It can run on any major platform without any compatibility issues

Advantages of Jenkins include:

• It is an open-source tool.

• Easy to install

• It has more plugins.

• It is free of cost.

2.Jenkins Master-slave:

• A slave is a Java executable that runs on a remote virtual machine. Slaves can run on different types of operating systems like Windows and Linux. The job of a Slave is to do work as they are told to which involves executing build jobs dispatch by the Master.

Jenkins Master:

Your main Jenkins server is the Master.

• Scheduling build jobs.

• Dispatching builds jobs to the slaves for the actual execution build.

• Monitor the slaves and check offline and online.

• A Master instance of Jenkins can also execute build jobs on slave directly.

Jenkins Slave:

A slave is a Java executable that runs on a remote virtual machine. It has following points.

• It check requests from the Jenkins master instance.

• Slaves can run on a different type of operating systems like linuxs and windows.

• We can configure a project to always run on a particular Slave virtual machine or a particular  Slave machine, or simply let Jenkins pick the next available Slave.