I just purchased an Ubuntu 16.04 droplet. I want to setup my own firewall with nftables. I installed nftables successfully. I can start the nftables.service manually, but when I try to enable it to start at bootup with:
sudo systemctl enable --now nftables
I get the following error:
update-rc.d: error: nftables Default-Start contains no runlevels, aborting
What is this? Is it some kind of old-school Sys V error?
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