Paramiko SSH python

Question

I´m trying the simplest way to make a SSH connection and execute a command with paramiko

import paramiko, base64
client = paramiko.SSHClient()
client.load_system_host_keys()
client.connect('10.50.0.150', username='XXXXX', password='XXXXXX')
stdin, stdout, stderr = client.exec_command('show performance -type host-io')
for line in stdout:
    print '... ' + line.strip('\n')
client.close()

------------ERROR-----------------------

Traceback (most recent call last):
  File "a.py", line 5, in <module>
    stdin, stdout, stderr = client.exec_command('show performance -type host-io')
  File "/usr/lib/python2.6/site-packages/paramiko-1.10.1-py2.6.egg/paramiko/client.py", line 374, in exec_command
    chan.exec_command(command)
  File "/usr/lib/python2.6/site-packages/paramiko-1.10.1-py2.6.egg/paramiko/channel.py", line 218, in exec_command
    self._wait_for_event()
  File "/usr/lib/python2.6/site-packages/paramiko-1.10.1-py2.6.egg/paramiko/channel.py", line 1122, in _wait_for_event
    raise e
EOFError

If i execute this code changing the command it works and to another computer, this command works fine via SSH interative shell.

Any idea ?

Log in to the system (which raise the exception) and run the command. What do you get? — falsetru
– falsetru, Commented Jul 31, 2013 at 7:54
I get the expected results if I use linux ssh command. The ssh server is Remote protocol version 1.99, remote software version IPSSH-6.7.0 — POLLOX
– POLLOX, Commented Jul 31, 2013 at 8:09

user3520669 · Accepted Answer · 2015-09-23 16:03:05Z

1

After client.connect(. . .) you need to use this command

session = client.get_transport().open_session()

then use session.exec_command(. . .).

answered Sep 23, 2015 at 16:03

user3520669

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1 Comment

Chris Nielsen Over a year ago

I have a similar problem. The SSH command I am launching is long running (several minutes). What is the reason to create a session as you have shown?

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