Hi Les & Carl,
I was pre-mature in thinking that the problem was solved. I am still
getting the same result: No files transferred.
I will rework the archiver system to switch from tar to rsync transfer.
I believe that this will work as the rsync method is working on all
other hosts.
But, I do have another question. Do I need to remove the old tar
history for localhost? I don't trust any of the data anyway and it will
free the storage.
Now, that provokes a second question. What is the best way to do this?
I could totally remove localhost from the backup system and then tell
the system to purge the old files for this machine. Then, recreate it
using rsync transport mechanism. I am just not sure exactly how to
perform this evolution.
I believe I'm seeing light at the end of the tunnel and just pray that
it is not an incoming freight train. -- ken
On Tue, 2012-01-24 at 01:10 -0500, Kenneth L. Owen wrote:
> Thank you, Les!
>
> That was my total problem. My backups are scheduled to begin at 01:00
> and I just had time to get there, logon as backuppc and issue the
> ssh-copy-id archiver. Immediately the tar backup began!
>
> What I can't figure out now is why it was working some of the time
> without the public key on file in authorized_keys.
>
> I'll update my notes for the next time I have to setup a system!
>
> Again, thanks for your help and putting up with a barely literate Linux
> user. -- ken
>
>
>
> On Mon, 2012-01-23 at 23:42 -0600, Les Mikesell wrote:
> > On Mon, Jan 23, 2012 at 11:22 PM, Kenneth L. Owen
> > <tx836519 AT bellsouth DOT net> wrote:
> > >
> > >
> > > I am not wanting to generate a new private key on the archiver for
> > > backuppc user for just the reason you gave -- the clients are in sync
> > > with this key.
> >
> >
> > And you don't need a new key, you just need the public key that
> > matches your existing private key added to the appropriate
> > authorized_keys file.
> >
> > > backuppc ssh connects to the client as backuppc where he has an account.
> > > The clients sudoers file gives backuppc root privilege for the commands
> > > needed to perform backup and no others. If I need to do a restore, I
> > > must revise the sodoers file to to switch to the commands for restore so
> > > backuppc can write the files. Then when the restore is complete it is
> > > changed back so that only the backup function is allowed.
> > >
> > > On the archiver, backuppc has a logon ID. The sudoers file gives
> > > backuppc root authority on archiver system, but only for the commands
> > > needed to perform a tar backup of /home.
> > >
> > > So, to switch to rsync, I revise sudoers to give backuppc root privilege
> > > for the commands to perform rsync backup of /home. Then BackupPC
> > > application will ssh connect to localhost as user backuppc on localhost.
> > >
> > > Am I missing something here?
> >
> > That is more complicated than just ssh'ing as root (where sshd has
> > approximately equivalent facilities to sudo to control what can be
> > executed) but if that is working correctly elsewhere it should work
> > the same with localhost as the target.
> >
>
>
>
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