Here is the tip I found to have NFS enabled at boot time, in order to run a nfs-client provisioner in my K3S.
Initially, I went to add a
rc-service nfsclient restart in the
config.yaml. But without any success.
After many experiment, I found a more robust solution: add a link in runlevels:
boot_cmd: - "ln -s /etc/init.d/nfsclient /etc/runlevels/default"