how to use paramiko to execute remote commands

Question

I wanted to compress a folder on a remote namchine.For that i am using paramiko. But i don't know how to do that using paramiko. Any suggestions??

This is my code:

dpath = '/var/mysql/5.1/mysql.zip'    
port = 22    
host = '10.88.36.7'    
transport = paramiko.Transport((host, port))    
transport.connect(username=suser, password=spass)    
channel = transport.open_channel(kind="session")    
channel.exec_command('zip -r /var/db/mysql /var/db/mysql')    
transport.close()

whats wrong in this??

If you are doing something more elaborate than just this one command, it'd be worthwhile to look into using Fabric <docs.fabfile.org>. It's built on top of paramiko and hides much of this boilerplate code. — AndrewF
– AndrewF, Commented Oct 13, 2010 at 18:25

ohe · Accepted Answer · 2010-10-13 14:19:42Z

3

After

channel.exec_command(...)

You have to wait the termination of the command with:

while not channel.exit_status_ready()
    ... wait ... ( you can read the output with channel.recv, or sleep a bit)

Furthermore, you're zip command is weird... don't you want to say

zip -r /var/db/mysql.zip /var/db/mysql

answered Oct 13, 2010 at 14:19

ohe

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