import paramiko

from datetime import  date, timedelta

def set_time(hostname):

    ssh = paramiko.SSHClient()

    # 把要连接的机器添加到known_hosts文件中

    ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())

    # 连接服务器

    ssh.connect(hostname=hostname, port=22, username='root', password='magicimage')

    #设置两天后的时间

    afterDay = date.today() + timedelta(days=+2)

    cmd = f'date -s "{afterDay}";hwclock -w'  # 设置时间并写入bios

    stdin, stdout, stderr = ssh.exec_command(cmd)

    result = stdout.read() or stderr.read()

    ssh.close()

    print(hostname, " : ", result.decode())

if __name__ == "__main__":

    host_list = '192.168.160.234'

    set_time(host_list)