start jenkins linux code example

Example 1: install jenkins on ubuntu

## Install java
sudo apt update && sudo apt install openjdk-8-jdk -y

## Install Jenkins
wget -q -O - https://pkg.jenkins.io/debian-stable/jenkins.io.key | sudo apt-key add -

sudo sh -c 'echo deb https://pkg.jenkins.io/debian-stable binary/ > \
    /etc/apt/sources.list.d/jenkins.list'

sudo apt-get update && sudo apt-get install jenkins -y

Example 2: jenkins command

- mvn verify -Dbrowser=chrome --> to run with chrome

- mvn verify -Dcucumber.options="--tags @smoke" 


mvn clean ==> delete target folder
- mvn clean test ==> delete target folder
                     and run cucumber tests

- mvn clean verify ==> delete target folder, run cucumber test,
                       generate cucumber HTML report

- mvn clean verify -P Regression ==> delete target folder,
                                 run Regression profile in pom.xml.

- mvn verify -Dfile = RegressionRunner.java ==>
                     runs this specific runner class

- mvn install -DskipTests ==> It will skip all tests

- mvn -Dtest=login test ==> Running a Single Test Class:
                            It will run only login test class

- mvn verify -Dbrowser=firefox --> to run with firefox


-Denv="QA2" --> provide scenarios that you want to run.
No need to change CucumberRunner class. 
It overrides runner class configuration.