Unable to run SSH through php on XAMPP in Linux

Question

I'm trying to run SSH in python through os.system() which is being invoked by PHP. It works fine when I run it through the CLI version of PHP but it is not running through lamp.

Following is my php code:

<?php $x=shell_exec('python test.py'); ?>

and below is the python code (test.py) which is being invoked by the PHP code:

import os
os.system("ssh [email protected]")

I also tried using touch utility through exec() in PHP, the same thing happens.

Does it even get to the Python script? Can PHP find the Python interpreter? Is shell_exec() and exec() allowed per your configuration? You could try to debug by putting a print statement in the shell_exec() or exec() calls (or write to file if you want); if that works try a print statement in your python script and work from there. — SaeX
– SaeX, Commented May 15, 2015 at 7:05
@SaeX Yes, the php script is able to execute python, there were print statements in my python code, which were printing. exec() is able to execute commands like ls and ps on my system. — Preetam Bidhan RoyChoudhury
– Preetam Bidhan RoyChoudhury, Commented May 15, 2015 at 7:17
It may be running the ssh command with a different user than you're doing it from the CLI. Maybe the user running PHP doesn't have the servers key in its key file or something. — Ramesh Dahiya
– Ramesh Dahiya, Commented May 15, 2015 at 7:27
Never do that. Its a suicide. Its always better to use built in functions. I dont know what you trying to accomplish using python script. But would suggest to use PHP inbuilt fucntions php.net/manual/en/function.ssh2-connect.php. — Ramesh Dahiya
– Ramesh Dahiya, Commented May 15, 2015 at 7:36

natsprtacare · Accepted Answer · 2015-05-18 15:23:26Z

1

Use phpseclib. Using the ssh2 extension as recommended by @Ramesh Dahiya is bad for a number of reasons as elaborated here:

http://phpseclib.sourceforge.net/ssh/compare.html

Example of phpseclib being used:

<?php
include('Net/SSH2.php');

$ssh = new Net_SSH2('www.domain.tld');
if (!$ssh->login('username', 'password')) {
    exit('Login Failed');
}

echo $ssh->exec('pwd');
echo $ssh->exec('ls -la');
?>

answered May 18, 2015 at 15:23

natsprtacare

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