What is the purpose of using a master-slave communication in a system?
The master-slave communication system allows local commands executed by the slave devices to replace other commands directed by the master controller to the slave devices. Further, each slave device communicates independently with the master controller.
How does Jenkins slave Connect to master?
Jenkins uses a Master-Slave architecture to manage distributed builds. In this architecture, Master and Slave communicate through TCP/IP protocol. Your main Jenkins server is the Master.
What does master-slave do?
Master/slave is a model of asymmetric communication or control where one device or process (the “master”) controls one or more other devices or processes (the “slaves”) and serves as their communication hub.
Can a master and slave reside on the same machine in Jenkins?
1 Answer. Your jenkins master node can run builds and works as an slave too.
What is the port used in communication between the Jenkins slave and master nodes?
Configuring the Jenkins Master This includes communication from OpenShift and Jenkins on the port exposed by the web console as well as a TCP port that is used for the JNLP slaves to communicate with the master. Port 50000 is the recommended JNLP slave port but it is possible to utilize a different port if necessary.
Why we use Jenkins as a continuous integration server?
Jenkins facilitates continuous integration and continuous delivery in software projects by automating parts related to build, test, and deployment. This makes it easy for developers to continuously work on the betterment of the product by integrating changes to the project.
How do you define master-slave?
(1) An electronic interaction in which one device acts as the controller (the master) and initiates the commands, and the other devices (the slaves) respond accordingly. See master-slave communications. (2) An ordering of electronic devices in a primary-secondary sequence.
Which one is the advantage of master-slave control?
The output in master slave changes when negative edge of clock reaches i.e negative triggers at negative edge which also removes problem due to propagation delay. This toggling effect helps in designing counters. Master slave configuration make the circuit edge sensitive which helps to control race around condition.
What is the difference between Jenkins master and slave?
Jenkins Master and Slave Concept A Jenkins master comes with the basic installation of Jenkins, and in this configuration, the master handles all the tasks for your build system. Jenkins slaves connect to the Jenkins master using the Java Network Launch Protocol.
Which port is required to be open for communication between worker node and the master?
To allow worker nodes to communicate with the cluster master over the public cloud service endpoint, allow outgoing network traffic from the source to the destination TCP/UDP port range 30000-32767 and port 443, and the following IP addresses and network groups.
What ports are needed for Jenkins?
The default Jenkins installation runs on ports 8080 and 8443. Typically, HTTP/HTTPS servers run on ports 80 and 443, respectively.
What is the main purpose of Jenkins?
Jenkins is an open source automation server. It helps automate the parts of software development related to building, testing, and deploying, facilitating continuous integration and continuous delivery. It is a server-based system that runs in servlet containers such as Apache Tomcat.