Jenkins delete builds older than latest 20 builds for all jobs

Question

I am in the process of cleaning up Jenkins (it was setup incorrectly) and I need to delete builds that are older than the latest 20 builds for every job.

Is there an

Answer 1

There are lots of ways to do this

Personally I would use the 'discard old builds' in the job config

If you have lots of jobs you could use the CLI to step through all the jobs to add it

Alternatively there is the configuration slicing plugin which will also do this for you on a large scale