NVM (Node Version Manager) is a tool that allows you to manage multiple versions of Node.js on the same machine. It is possible that NVM is not working on Jenkins execute shell due to several reasons. Here are some troubleshooting steps that you can try:

Yes, you can use a Jenkins pipeline to checkout multiple Git repositories into the same job.

The error message "NotSerializableException: groovy.json.internal.Lazymap" usually occurs in Jenkins pipelines when the pipeline code tries to serialize an object that is not serializable. This error typically indicates that the pipeline is trying to pass a non-serializable object to another stage or job&

To checkout a Git SCM repository in a Jenkins pipeline using credentials, you can use the with credentials block and the git step.

The "bad substitution" error in a Jenkins pipeline script typically occurs when you are using an unsupported or incorrect syntax for a shell variable expansion.

Jenkins provides two ways to create pipelines: Scripted Pipeline and Declarative Pipeline.

To add a timeout step in a Jenkins pipeline, you can use the timeout block provided by the Pipeline Utility Steps plugin.