how to copy my *!&^%# log files

[John Abreau]

On Tue, 2003-06-03 at 14:09, Greg Rundlett wrote:

> I can now issue commands like 
> 
> /usr/bin/scp joe at example.com:/usr/home/joe/www_logs/* /var/log/httpd
> 
> without supplying a password.  I can put it into a shell script and
> execute that script without a password.  
> 
> WHY doesn't it work from cron as advertised?  I simply used crontab -e
> to put the right command in my crontab, but I'm getting authentication
> errors:

Looks to me like your cron job isn't finding your ssh-agent instance. 
A process run from cron isn't going to pick up ssh-agent's environment 
variables from your user process. 

You didn't specify the details of what you put into your crontab, so 
I can't tell exactly what went wrong. The way I usually do this is to 
dump ssh-agent's environment variables into a file, then use a shell 
script in cron that sources the file before running ssh. 

So I'd start up ssh-agent like this: 

    ssh-agent | head -2 > /usr/home/joe/ssh-agent-id
    source /usr/home/joe/ssh-agent-id
    ssh-add

Then the cron job would run a script like this:

    #! /bin/bash
    source /usr/home/joe/ssh-agent-id
    /usr/bin/scp joe at example.com:/usr/home/joe/www_logs/* /var/log/httpd

I use the "head -2" because ssh-agent puts an "echo" command after the 
environment variables it provides, and I don't want that appearing 
in the sourced file. 

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