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2023-02-26 12:07:27 +01:00
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@ -38,6 +38,8 @@ In this example, a machine called `backup` is going to create and pull backup sn
As zfs-autobackup will perform numerous remote commands via ssh, we strongly recommend setting up passwordless login via ssh. This means generating an ssh key on target machine (`backup`) and copying the public ssh key to the source machine (`pve01`). As zfs-autobackup will perform numerous remote commands via ssh, we strongly recommend setting up passwordless login via ssh. This means generating an ssh key on target machine (`backup`) and copying the public ssh key to the source machine (`pve01`).
NOTE: Most examples use root-access on both the source and target. If you want to use a normal user its a bit more complex: Your user needs read/write access to /dev/zfs and you need to setup zfs permissions as well.
#### Generate an SSH key on `backup` #### Generate an SSH key on `backup`
Create an SSH key on the backup machine that runs zfs-autobackup. You only need to do this once. Create an SSH key on the backup machine that runs zfs-autobackup. You only need to do this once.
@ -197,9 +199,9 @@ Note that this is called a "pull" backup. The backup (target) machine pulls the
It is also possible to let a source machine push its backup to the target machine. There are security implications to both approaches, as follows: It is also possible to let a source machine push its backup to the target machine. There are security implications to both approaches, as follows:
With a pull backup, the target machine will have root access to the source machine. With a pull backup, the target machine will have ssh access to the source machine.
With a push backup, the source machine will have root access to the target machine. With a push backup, the source machine will have ssh access to the target machine.
If you wish to do a push backup, then you would setup the SSH keys the other way around and use the `--ssh-target` parameter on the source machine. If you wish to do a push backup, then you would setup the SSH keys the other way around and use the `--ssh-target` parameter on the source machine.