jayveersolanki

Step 1:  Nevigate to *https://<Jenkins_URL>/script* URL

Step 2: Run below script from script console one by one.

I) Jenkins.instance.getAllItems(org.jenkinsci.plugins.workflow.job.WorkflowJob.class).each {i -> i.setDisabled(true); i.save() }  
II) Jenkins.instance.getAllItems(hudson.model.AbstractProject.class).each {i -> i.setDisabled(true); i.save()} 

jayveersolanki

#!/bin/bash

# Check to see if your jenkins home is in
# /var/lib/jenkins. If it isn't, then modify the script
# This will traverse through all your jobs, and disable them.

cd /var/lib/jenkins/jobs

for d in */ ; do   
    cd "$d"

jayveersolanki

Jenkins.instance.getItemByFullName("<project-name>/<branch-name>")
        .getBuildByNumber(JobNumber)
        .finish(hudson.model.Result.ABORTED, 
                new java.io.IOException("Aborting build")
); 

jayveersolanki

Jenkins.instance
.getItemByFullName("<JOB NAME>")
.getBranch("<BRANCH NAME>")
.getBuildByNumber(<BUILD NUMBER>)
.finish(hudson.model.Result.ABORTED, new java.io.IOException("Aborting build"));