Hello, $ sudo crontab -l | grep reboot [...] [1] @reboot sleep 10; nmcli c up <redacted> [2] @reboot for f in $(zfs list -t snap -o name|grep reboot); do zfs destroy $f;done [3] @reboot zfs snap -r rpool@reboot [1] succeeds, but [2,3] do not. Any ideas why would be gratefully received. Many thanks, Gareth