Voraussetzung:

• per ssh erreichbar

Pakete:

• Debian (11): borgbackup

useradd -rmd /srv/borg -s /bin/sh -p '*' borg
mkdir -m 700 /srv/borg/.ssh
touch /srv/borg/.ssh/authorized_keys
chmod 600 /srv/borg/.ssh/authorized_keys

Pakete:

• Debian (11): borgbackup

SSH Schlüsselpaar erzeugen:

ssh-keygen -t ed25519 -f ~/.ssh/id_ed25519_borgbackup -C 'borgbackup client1'

Public-Key auf dem Backup Server in der Datei /srv/borg/.ssh/authorized_keys hinterlegen.

als Benutzer root:

borg --rsh='ssh -i ~/.ssh/id_ed25519_borgbackup' init --encryption none borg@backupserver.example.org:/srv/borg/client1.example.org

borg --rsh='ssh -i ~/.ssh/id_ed25519_borgbackup' list borg@backupserver.example.org:/srv/borg/client1.example.org

/srv/borg/.ssh/authorized_keys

command="borg serve --restrict-to-path /srv/borg",restrict ssh-ed25519 AAAA…

borg --rsh='ssh -i ~/.ssh/id_ed25519_borgbackup' create -x --compression zstd --numeric-owner borg@backupserver.example.org:/srv/borg/client1.example.org::brahma-{now:%Y-%m-%d} /