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I want to connect to and execute a process on a remote server using Python. I want to be able to get the return code and stderr (if any) of the process. Has anyone ever done anything like this before. I have done it with ssh, but I want to do it from Python script.
Cheers.
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Using the paramiko library – a pure python implementation of SSH2 – your python script can connect to a remote host via SSH, copy itself (!) to that host and then execute that copy on the remote host. Stdin, stdout and stderr of the remote process will be available on your local running script.
Use the ssh module called paramiko which was created for this purpose instead of using subprocess. Here's an example below:
from paramiko import SSHClient client = SSHClient() client.load_system_host_keys() client.connect("hostname", username="user") stdin, stdout, stderr = client.exec_command('program') print "stderr: ", stderr.readlines() print "pwd: ", stdout.readlines() UPDATE: The example used to use the ssh module, but that is now deprecated and paramiko is the up-to-date module that provides ssh functionality in python.
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