User backuppc, by default, has the home directory in the same place
where the files will be saved, or, if you prefer, files get saved into
user backuppc HOME.
You relocated the save space (how? if You installed from source it's
ok, but otherwise there are a number of problems there), but I guess
you forgot to relocate the pointer to the home directory in /etc/passwd.
Symptoms say home-dir field in passwd holds an invalid value.
backuppc should have a valid home-dir, even if is prevented from
logging directly setting shell to something invalid (e.g. /bin/false).
Fix that and then you'll be able to proceed with keygen
Nella citazione in data mercoledì 12 novembre 2014 23:46:55, Tom Fallon
ha scritto:
> 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.
>
>
>
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