Unable to install or update plugins in jenkins

Hi, I am running jenkins in corporate network, where i am trying to install/update jenkins. (downloading .hpi and then uploading) But installation is not happening after succesfull upload and failed with below reason. Caused: java.io.IOException: Failed to load http://updates.jenkins-ci.org/

how to achieve Concurrency with groovy script used in freestyleproject

Hi All, Can please help me on how to achieve concurrency using groovy script in Jenkins freestyleproject?. I have tried to execute below script. But I am getting the following error "Caught: groovy.lang.MissingMethodException: No signature of method: main.parallel() is applicable for argumen

running Powershell scripts via Jenkins on linux host (ubuntu)

Dear All, Appreciate your help in advance. Could anyone please help me on below ask?. I have powershell script which is available in windows machine and Jenkins on Ubuntu. My requirement is that remotely execute powershell using Jenkins. Please provide detail steps with example, if anyone al