[NTLUG:Discuss] Using scp....

[MadHat]

On Tue, 2003-10-07 at 19:08, Stuart Johnston wrote:
> Douglas King wrote:
> > I had someone set up my Linux machines to use SCP as the "backup" 
> > feature every night.  However, I have had to rebuild a couple of the 
> > machines, and need to set up SCP again.  When the "backup" machine logs 
> > in, it's asking for a password.  There is supposed to be a way to "fix" 
> > the passwords in the respective machines so that when it gets to that 
> > stage...it logs an and backs up the designated directories.  My QUESTION 
> > is....what is the process in "fixing" the password stuff, where it 
> > doesn't stall there?
> 
> I assume you are talking about using ssh keys.  I've never actually done 
> this before so hopefully someone else can give you better instructions 
> but basically you need to use the 'ssh-keygen' command to generate your 
> public and private keys.  Then you copy the public key onto the host 
> that you are connecting to.  Try the ssh-keygen manpage for help.
> 
> Here are some pages that look like they might be helpful:
> http://wiki.kernel-panic.org/index.php?ssh-keygen
> http://www.wlug.org.nz/SSHKeys
> 
> 
> Also, you may want to consider using rsync to do your backups instead of 
> scp.  It will only copy the files that have changed, can use compression 
> and is just generally better suited for such things. 
> http://rsync.samba.org/

use rsync over ssh, so it is secure.  Just set your env
RSYNC_RSH=/usr/bin/ssh and it will use ssh as the transport.  This is
where those keys come in handy.

-- 
MadHat at Unspecific.com
`But I don't want to go among mad people,' Alice remarked.
`Oh, you can't help that,' said the Cat: `we're all mad here...'
   -- Lewis Carroll - _Alice's_Adventures_in_Wonderland_