You can still try out the workshop flows from the 2022 ONE Summit by setting up your own VM and following the README.md.
To create you own VM on GCE, you can follow these instructions. For other environments, you can modify the scripts in that directory.
ssh-keygen -t rsa -f ~/.ssh/nephio -C nephio -b 2048
gcloud auth login
gcloud auth application-default login
gcloud config set project PROJECT_ID
terraform init
terraform plan
terraform apply
ssh ubuntu@IP -i ~/.ssh/nephio