基于paramiko进行远程执行Linux命令

直接贴一段代码
import paramiko

class remote_start(object):
    def __init__(self,host,username,pwd):
        self.ssh = paramiko.SSHClient()
        self.host = host
        self.port = 22
        self.username = username
        self.pwd = pwd

    def start(self,commmd):
        self.ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
        self.ssh.connect(self.host,self.port,self.username,self.pwd)
        stdin,stdout,stderr = self.ssh.exec_command(commmd)
        #err = stderr.readline()
        #out = stdout.readline()
        #print(stdout.read())

    def put_file(self,localpath,remotepath):
        trans = paramiko.Transport((self.host,self.port))
        # 建立连接
        trans.connect(username=self.username, password=self.pwd)

        # 实例化一个 sftp对象,指定连接的通道
        sftp = paramiko.SFTPClient.from_transport(trans)
        # 发送文件
        sftp.put(localpath,remotepath)
        # 下载文件
        # sftp.get(remotepath, localpath)
        trans.close()