Das kommt davon, wenn man nicht aufpasst. Mein Fehler. Es muss heißen:
cd /var/lib/homebridge && sudo tar cvf /tmp/backups.tar backups/*
Sollte sowas dabei herauskommen:
pi@homepi:~ $ cd /var/lib/homebridge && sudo tar cvf /tmp/backups.tar backups/*
backups/config-backups/
backups/config-backups/config.json.1756135987459
backups/config-backups/config.json.1756135982355
backups/config-backups/config.json.1756135499990
backups/config-backups/config.json.1756370630938
backups/config-backups/config.json.1756370237335
backups/config-backups/config.json.1755710598756
backups/config-backups/config.json.1756135496466
backups/instance-backups/
backups/instance-backups/homebridge-backup-CC223DE3CE30.1756787860757.tar.gz
backups/instance-backups/homebridge-backup-CC223DE3CE30.1756615062887.tar.gz
backups/instance-backups/homebridge-backup-CC223DE3CE30.1756440312782.tar.gz
backups/instance-backups/homebridge-backup-CC223DE3CE30.1756528659977.tar.gz
backups/instance-backups/homebridge-backup-CC223DE3CE30.1756701455456.tar.gz
backups/instance-backups/homebridge-backup-CC223DE3CE30.1756874252826.tar.gz
backups/instance-backups/homebridge-backup-CC223DE3CE30.1756948561241.tar.gz
backups/instance-backups/homebridge-backup-CC223DE3CE30.1757034957786.tar.gz
pi@homepi:cd /var/lib/homebridge $
Ich habe es in meiner Anleitung ebenfalls verbessert.