Hi all

on an Ubuntu 14.04 server I've installed backuppc afresh, moved 
/var/lib/backuppc to /mnt/raid (a raid1 soft raid setup) and am in the 
process of configuring the last steps.

Web access is fine and I can add hosts etc but I've reached a stumbling 
block with the ssh-key setup. Following the backuppc install notes on 
the site I do:

su - backuppc

and would then expect to follow the prompts after doing ssh-keygen 
(which I've done successfully on another box, albeit on 12.04). However, 
I hit a snag with this:

No directory, logging in with HOME=/

Permissions are such that backuppc cannot create a home directory for 
itself. So when I try and run ssh-keygen I get permission error if I try 
and save to default location from the command.

Enter file in which to save the key (/home/backuppc/.ssh/id_rsa):
Could not create directory '/home/backuppc/.ssh': No such file or directory
Enter passphrase (empty for no passphrase):

I've therefore tried to save to /var/lib/backuppc/.ssh/id_rsa as I know 
backuppc is the owner of /var/lib/backuppc.... but get this error:

open /var/lib/backuppc/.ssh/id_rsa failed: No such file or directory.

So I took the plunge and created /var/lib/backuppc/.ssh/ and created the 
public key there.

And then run ssh-keygen -t rsa which completes with no error and an ls 
/var/lib/backuppc/.ssh/ shows the 2 files id_rsa an id.rsa.pub there

If it then try and copy the file from backuppc to my target client with

$ ssh-copy-id -i /var/lib/backuppc/.ssh/id_rsa.pub root@remoteserver

I get this (this is sending to a Mac 10.5 server in case thats relevant)

mktemp: failed to create file via template 
‘//.ssh/ssh-copy-id_id.XXXXXXXXXX’: No such file or directory
mktemp failed

I suspect I'm making this more complicated and difficult than it really 
needs to be. And perhaps a simple tweak right at the outset to sort my 
lack of home directory on backuppc user or similar may be the solution. 
Or perhaps I need to enable root on the server?

I've been banging my head against this metaphorical wall for some time 
now so anyone who has any suggestions please let me know.

best.



-- 
Tom


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