python paramiko SSHException: Channel closed

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Im trying to establish a sftp connection to remote ubuntu machine.I was able to establish ssh connection.but it throws me an exception at open_sftp()

import paramiko
ssh = paramiko.SSHClient()
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
ssh.connect(hostname=hostname,port=port,username=username,password=password)
sftp = ssh.open_sftp()

paramiko.SSHException: Channel closed

can anyone help me.thanks in advance.

The last time I used SFTP with Paramiko, I also had some issues. I searched a bit on the web and i found this tool : https://github.com/jbardin/scp.py

To use it :

from scp import SCPClient
import paramiko

ssh = paramiko.SSHClient()
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
ssh.connect(hostname=hostname,port=port,username=username,password=password)

scpclient = SCPClient(ssh.get_transport(), socket_timeout=15.0)
scpclient.put("my_local_path", "my_remote_path")

paramiko.ssh_exception.SSHException: Channel closed. · Issue , SSHException: Channel closed., however, there isn't any appropriate there maybe some problems with my computer settings, the python  E SSHException: Channel closed. I am using the latest Paramiko version 1.7.7.1 and installing Open SSHd on the Windows 7 machine. Has anyone had a similar experience to the above?

Try this:

vim /etc/ssh/sshd_config

uncomment this line:

# Subsystem     sftp    /usr/libexec/openssh/sftp-server

Good luck!

paramiko.SSHException: Channel closed, class paramiko.channel. This is primarily to allow Python's select module to work. SSHException – if the request was rejected or the channel was closed  Thanks FunkySayu. It is working fine now. But what is the problem there in open_sftp() because here i want to use an extra python package – Bloomstar Feb 4 '15 at 9:53

On remote operating systems other than Ubuntu, the commented line listed in yong's solution may not exist. In this case, you may be able to fix the problem by adding the line to the file with the path modified to point to the correct location for your remote system's sftp-server.

On QNX, I was able to resolve this issue by modifying the /etc/ssh/sshd_config file and adding in the line:

Subsystem     sftp    /usr/libexec/sftp-server

Although the formatting for that line seemed out of place compared to the rest of the file, it still proved to be a successful solution as I was able to successfully open an SFTP client from an SSH client object without generating an SSHException.

SSHException("Channel closed.") thrown, Hi I am trying to setup an SSH script where in I ssh into a router and try to execute commands there. I can successfully login but executing a command gives the  In order for SSHConnection.exec_command() to work, an SSH server has to support exec_command channels, and not every server does. In this case, the server probably rejects the request to open the channel of this type, hence for paramiko it looks like the Channel is closed.

Channel, RobotFramework : 2.5.7. RIDE : 0.35.2. Python : 2.7.2 paramiko-1.7.7.1. Error Message SSHException: Channel closed. (Login Successful but I've googled the problem, paramiko.ssh_exception.SSHException: Channel closed., however, there isn't any appropriate solution to my problem. Thus, I wanna to seek for the help of establishing the connection. Anyone can give me some instructions of solving this problem? Truly appreciate your help!

SSHException: Channel closed on trying to do a remote command , Hi, Maybe python libraries "ecdsa" or "PyCrypto" are missing. SSHException: Channel > closed, > however, there isn't any appropriate solution to my problem. The following are code examples for showing how to use paramiko.SSHException().They are from open source Python projects. You can vote up the examples you like or vote down the ones you don't like.

SSHException: Channel closed. when execute command using , This page provides Python code examples for paramiko. print("Unable to verify server's host key: %s" % badHostKeyException) finally: ssh.close(). Example 2  A Channel is meant to behave like a socket, and has an API that should be indistinguishable from the Python socket API. Because SSH2 has a windowing kind of flow control, if you stop reading data from a Channel and its buffer fills up, the server will be unable to send you any more data until you read some of it.

Comments
  • Thanks FunkySayu. It is working fine now. But what is the problem there in open_sftp() because here i want to use an extra python package
  • Maybe it could help ? stackoverflow.com/questions/10345594/… There're many topic on internet about it, and it looks like a bug. Which extra python package ?