How 'rsync' two in a script with one password?

[kitepilot at kitepilot.com]

And, (cough, cough!, excuse my ignorance):
Why 'ssh-keygen -t rsa' instead of 'ssh-keygen -t dsa' ? 

I have "heard" that 'dsa' is "better" that 'rsa' (and accepted that) but I 
don't recall how or why it's "better".
ET 

 


Bryan O'Neal writes: 

> The easiest way is to use SSH encryption with key based authentication
> to the remote box.  If it sounds hard it certainly is not check out my
> blog post here 
> 
> http://mlwtech.blogspot.com/2009/04/rsync-and-ssh-keys-presentation-on.html 
> 
> On Fri, Jul 16, 2010 at 8:28 AM,  <joe at actionline.com> wrote:
>>
>> How can I use two (or more) 'rsync' commands in a single script without
>> having to enter the password separately for each one? 
>>
>> Below is a shortened example of a shell script that I use to update files
>> from my local computer to my web host. It works fine, except I have to
>> enter the password separately for each of the 'rsync' commands. 
>>
>> How can I modify this so I only have to enter the password once (or
>> perhaps embed the password for each one within the script)? 
>>
>> # update.blue 
>>
>> rsync -avHp --progress /home/joe/mydata/upquick/
>> vsiq at box5.bluehost.com:www/upquick/ 
>>
>> rsync -avHp --progress /home/joe/mydata/zip/ vsiq at box5.bluehost.com:www/zip/ 
>>
>> rsync -avHp --progress /home/joe/mydata/av7/ vsiq at box5.bluehost.com:www/av7/ 
>>
>> 
>>
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