用ssh登陆linux主机python代码

import paramiko

hostname = '10.10.10.10'
username = 'root'
password = 'your password'
port = 22
command = "df -lh"

ssh = paramiko.SSHClient()
ssh.load_system_host_keys()
ssh.connect(hostname = hostname, username = username, password = password, port = port)
stdin, stdout, stderr = ssh.exec_command(command)
print(stdout.read().decode())
ssh.close()