import paramiko

import select

def link_server_client2(serverip, user, pwd):

# 進行連接

print(‘------------開始連接服務器(%s)-----------‘ % serverip)

client = paramiko.SSHClient()

client.set_missing_host_key_policy(paramiko.AutoAddPolicy())

print(‘------------開始認證......-----------‘)

client.connect(serverip, 22, username=user, password=pwd, timeout=4)

print(‘------------認證成功!.....-----------‘)

# 開啟channel 管道

transport = client.get_transport()

channel = transport.open_session()

channel.get_pty()

# 執行命令nohup.log.2017-12-30

tail = ‘tail -f /app/logs/system.log‘

#將命令傳入管道中

channel.exec_command(tail)

while True:

if channel.exit_status_ready():

break

try:

rl, wl, el = select.select([channel], [], [])

if len(rl) > 0:

recv = channel.recv(1024)

print(recv.decode(‘utf-8‘, ‘ignore‘))

text_save(recv.decode(‘utf-8‘, ‘ignore‘), ‘tail(‘ + serverip + ‘).txt‘)

#鍵盤終端異常

except KeyboardInterrupt:

print("Caught control-C")

channel.send("\x03") # 發送 ctrl+c

channel.close()

client.close()

# 文件存儲

def text_save(content, filename, mode=‘a‘):

file = open(filename, mode)

for i in content:

file.write(i.encode("utf-8"))

file.close()

總結

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