Useful if you don't have the Configuration slicing plugin
This script disables all jobs in your Jenkins server
import hudson.model.* disableChildren(Hudson.instance.items) def disableChildren(items) { for (item in items) { if (item.class.canonicalName == 'com.cloudbees.hudson.plugins.folder.Folder') { disableChildren(((com.cloudbees.hudson.plugins.folder.Folder) item).getItems()) } else if (item.class.canonicalName != 'org.jenkinsci.plugins.workflow.job.WorkflowJob') { item.disabled=true item.save() println(item.name) } } }