我就废话不多说了,直接上代码吧!

import paramiko
from paramiko_expect import SSHClientInteraction
host = your host
port = your port
username = your un
# 自行修改输出函数
json_list = []
def output_func(msg):
sys.stdout.write(msg)
json_list.append(msg)
sys.stdout.flush()
def conn_tail(path):
try:
client = paramiko.SSHClient()
client.set_missing_host_key_policy(paramiko.AutoAddPolicy)
key_file = 'id_rsa_2048'
key = paramiko.RSAKey.from_private_key_file(key_file, 'yourpwd')
client.connect(host, port, username, key_filename=key_file)
interact = SSHClientInteraction(client, timeout=10, display=False)
interact.send('sudo su\n')
interact.expect(prompt)
interact.send('tail -f %s' % path)
# log_name = path.split('/')[-1].split('.')[0]
# interact.tail(line_prefix=log_name + ': ',output_callback=output_func)
interact.tail( output_callback=output_func)