snapper-backup-configs — Configuration files for snapper backup configs
Each file /etc/snapper/backup-configs/*.json describes a
snapper backup config.
The file uses JSON syntax containing a single object with key-value pairs.
The following is a list of keys that can be present in the configuration file.
config
Name of the snapper config.
target-mode
Either local or ssh-push.
source-path
Path of the subvolume or mount point.
target-path
Path of the subvolume or mount point.
automatic
Boolean for enabling automatic transfer and delete for the backup config using a systemd timer service.
ssh-host
Name of the target host. Required for target mode ssh-push.
ssh-port
Port of the target host. Optional for target mode ssh-push.
ssh-user
User on the target host. Optional for target mode ssh-push.
ssh-identity
An ssh-identity to access the host without requiring a password or passphrase. Optional for target mode ssh-push.
An example backup config for local backups:
{
"config": "root",
"target-mode": "local",
"automatic": true,
"source-path": "/",
"target-path": "/backups/root"
}
An example backup config for remote backups via ssh-push:
{
"config": "root",
"target-mode": "ssh-push",
"automatic": false,
"source-path": "/",
"target-path": "/backups/eberich/root",
"ssh-host": "backups.example.com",
"ssh-identity": "/etc/snapper/certs/id_ecdsa"
}