How to Login to Jenkins using commands and API?

Working commands for Login

# Method 1 - Login to Jenkins using CLI and Username and Password
$ java -jar jenkins-cli.jar -s http://13.235.81.87:8080/ -auth rajesh:1190c7e6cb8e3b65515f8495966814ad58 who-am-i
$ java -jar jenkins-cli.jar -s http://13.235.81.87:8080/ -auth rajesh:1190c7e6cb8e3b65515f8495966814ad58 delete-job testCode language: PHP (php)

##Command to know the status of Build?

$ curl http://myjenkins/job/myjob/lastBuild/api/json | grep --color result\":null
$ echo $?Code language: PHP (php)

##Trigger a Jenkins Job without authentication

$ wget http://yourserver/job/MyJobname/build?delay=0sec
$ wget -O - $HUDSON_URL/job/JOBNAME/build
$ curl http://jenkins:8080/job/my%20job/buildCode language: PHP (php)

##Trigger a Jenkins Job with authentication

$ curl --user dbacher:$MY_API_TOKEN http://jenkins:8080/job/my%20job/build
$ curl --user <your_jenkins_username>:<your_jenkins_API_key>http://<jenkins_server_url>/job/<your_jenkins_job_name>/buildCode language: HTML, XML (xml)

##Running commands against a secure Jenkins (basic auth or ssh keys)

$ java -jar jenkins-cli.jar -s http://myjenkins help --username me --password mypassword
$ java -jar jenkins-cli.jar -s http://myjenkins help -i ~/.ssh/id_rsaCode language: JavaScript (javascript)

##Triggering a job build against a secure Jenkins (avoiding a 1.5 year old open bug!)

$ java -jar jenkins-cli.jar -s http://myjenkins build 'My Awesome Jenkins Job' -i ~/.ssh/id_rsa
$ java -jar jenkins-cli.jar -s http://myjenkins build 'My Awesome Jenkins Job' -i ~/.ssh/id_rsa -s -vCode language: JavaScript (javascript)

##Passing parameters when triggering a job build

$ java -jar jenkins-cli.jar -s http://myjenkins build 'Deploy XYZ App' -i ~/.ssh/id_rsa -s -v -p target_env=api.cloudfoundry.com -p branch=masterCode language: JavaScript (javascript)

How to get your_jenkins_API_key?

• Login to your Jenkins.
• Click on the username in the top right.
• Click on Configure.
• Click on ‘Show API Token’ button.
• You got it.

Rajesh Kumar

I’m Rajesh Kumar, a DevOps, SRE, DevSecOps, Cloud, and Platform Engineering expert passionate about sharing practical knowledge, real-world experiences, and industry best practices. I have worked at Cotocus and regularly write about technology, travel, investing, health, product reviews, and digital marketing through my various platforms.

I publish technical articles at DevOps School, travel stories at Holiday Landmark, stock market insights at Stocks Mantra, health and fitness guidance at My Medic Plus, product reviews at TrueReviewNow, and SEO and digital marketing strategies at Wizbrand.