Paramikoライブラリを使用して、ssh2台のサーバー間でコマンドを実行しています。私の"Master"サーバーはFedora 18ボックスであり、私のサーバー"Slave"はWindows 7マシンです。sshマシンでサーバーを実行する他の方法では、 FreeSSHdWindows 7をインストールしました。構成後、Fedora 18マシンからWindowsマシンに移動して、のようなコマンドを実行できます。ただし、を使用してこれを実行しようとすると、同じ運がありません。freesshdsshdirParamiko
import paramiko
import os
import errno
"""
written by Philippe Ribeiro
class Connection
stabilishes the ssh connection between two servers
allowing the executing of commands remotely
"""
class Connection:
def __init__( self, hostname, username, password):
"""Create a ssh client using the paramiko library
"""
self.host = hostname
self.user = username
self.password = password
self.port = 23
self.sshclient = paramiko.SSHClient()
self.username = username
self.password = password
try:
self.sshclient.load_system_host_keys()
self.sshclient.set_missing_host_key_policy( paramiko.AutoAddPolicy() )
self.sshclient.connect( hostname=self.host, port=self.port,
username=self.username, password=self.password )
self.sftpclient = self.sshclient.open_sftp()
except SSHException, e:
print e
except AuthenticationException, e:
print e
except BadHostKeyException, e:
print e
def close(self):
"""Closes a client using the Connection class' API
"""
self.sshclient.close()
return
def remove_directory(self, path):
"""Remove remote directory that may contain files
It does not support directories that contain subdiretories
"""
if self.exists(path):
for filename in self.sftpclient.listdir(path):
filepath = os.path.join(path, filename)
self.sfptclient.remove(filepath)
self.sftpclient.rmdir(path)
return
def exists(self, path):
"""Return True if the remote path exists
"""
try:
self.sfptclient.stat(path)
except IOError, e:
if e.errno == errno.ENOENT:
return False
raise
else:
return True
def put_directory(self, localdir, remotedir):
"""Put a directory of files on the remote server
Create the remote directory if it does not exist
Does not support directories that contain subdirectories
Return the number of files transferred
"""
if not self.exists(remotedir):
self.sftp.client.mkdir(remotedir)
count = 0
for filename in os.listdir(localdir):
self.sftpclient.put(
os.path.join(localdir, filename),
os.path.join(remotedir, filename)
)
count += 1
return count
"""
Just for testing purposes
try to connect to a Windows machine from a Unix one
so it can execute commands remotely
"""
cmd = ["cd ..", "dir" ]
client = Connection("hostname", "username", "password")
try:
for c in cmd:
stdin, stdout, stderr = client.sshclient.exec_command(c)
print stdout.readlines()
except SSHException, e:
print e
client.close()
しかし、私が実行すると：
python client.py
私は得る：
['Unable to execute command or shell on remote system: Failed to Execute process.\r\n']
['Unable to execute command or shell on remote system: Failed to Execute process.\r\n']
誰かが私になぜ機能しないのか手がかりを教えてもらえますか？私は何かが足りないのですか？