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vivekv · #1 (**permalink**) 23-10-2007, 06:44 PM

Hello

I have a backup server. And I want to do this following operation

1. ssh to that backup server (the remote server is already paired with my server,so no password entering screen)
2. fetch www.abc.com/file.zip
3. scp file.zip root@myserver.com:/home/user/www/file.zip

Its not joke, I know I can do this operation with wget. But its not what I want.

Because, The remote backup server only allows FTP and SSH access.
There is no http access( the server is rsyncpalace.com)

So, I have coded like this

<?php
$command="ssh user@backupserver.com"; // demo server
$output=shell_exec($command);

$command="fetch http://definitions.symantec.com/defs/20071022-017-v5i32.exe";
$output=shell_exec($command); // Sample file

$command="scp user@myserver.com:/home/user/www/20071022-017-v5i32.exe";
$output=shell_exec($command); // Sample file

print "<pre>$output</pre>\n"; //show output
?>

But It did not work.

Can anyone please let me know how to do this work?

I want php code. not pure shell code.

Not sure, how .cgi file will work , no idea

Please help me
Thanks

vivekv · #2 (**permalink**) 23-10-2007, 09:33 PM

ok,almost all problems are solved now with the help of
nixCraft - Linux sys admin blog by Vivek
But I need 1 and only last help

I need to execute this command using PHP FILE

Code:

rsync -v -e ssh user@remoteserver.com:~/back/file.tar.gz /home/user/www/1

What this code will do is :

This will download a file called file.tar.gz from a remote server,remoteserver.com and will save it into /home/user/www/1

I checked this command via putty and is working.

But I need to add this command to a php file so that when a php file called download.php will execute, then this code must be executed.

How to do that ?

Any idea ?

Thanks

vivekv · #3 (**permalink**) 23-10-2007, 10:43 PM

File : .cgi-bin/file.cgi

Code:

#!/bin/sh
echo Content-type: text/html
echo
echo
echo "<HTML>"
echo "<HEAD>"
echo "</HEAD>"
echo "<BODY>"
echo "<H2>Hard disk info:</H2>"
echo "<PRE>"
df-h
echo "</PRE>"
echo "</BODY>"
echo "</HTML>"

I want to replace "df -h" with this command

Code:

rsync -v -e ssh user@remoteserver.com:~/back/file.tar.gz /home/user/www/1

I changed , but its not working.

monk · #4 (**permalink**) 24-10-2007, 12:10 AM

Well, you must run this command as web server user. You may be login as user foo using putty, but webserver run as nobody or apache or www-data user (depends upon Linux distro). So you need to configure ssh keys for your web server user too.

Code:

rsync -v -e ssh user@remoteserver.com:~/back/file.tar.gz /home/user/www/1

Another option is sudo

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Shell script to perform operation on remote server

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