自学教程：详解python连接telnet和ssh的两种方式

#!/usr/bin/env python# coding=utf-8 import timeimport telnetlibimport logging __author__ = 'Evan' save_log_path = 'result.txt'file_mode = 'a+'format_info = '%(asctime)s - %(filename)s[line:%(lineno)d] - %(levelname)s: %(message)s' logger = logging.getLogger(__name__)logger.setLevel(logging.DEBUG) # 添加记录 记录器功能fh = logging.FileHandler(save_log_path, mode=file_mode)fh.setLevel(logging.DEBUG)fh.setFormatter(logging.Formatter(format_info))logger.addHandler(fh)# 增加显示 记录器功能ch = logging.StreamHandler()ch.setLevel(logging.DEBUG)ch.setFormatter(logging.Formatter(format_info))logger.addHandler(ch)  def telnet_handle(host='', port=''):    handle = telnetlib.Telnet(host, port, timeout=10)    handle.set_debuglevel(2)  # Display connect info (send command & received info)    logger.debug('Connect host: {} port: {} successful'.format(host, port))     try:        #获取登录提示‘login：' 后输入密码。        handle.read_until('login:', timeout=5)         #发送命令 登录，用户名：admin 密码：admin        handle.write('admin/n')  #用户名        #如果有输入密码的提示符可以打开这一条，并修正确的密码提示符        #handle.read_until('输入密码提示符', timeout=5)        time.sleep(1)        handle.write('admin/n')  #密码        time.sleep(1)        handle.write('en/n')  #执行指令        time.sleep(1)        handle.write('sys/n')  #执行指令        time.sleep(1)        handle.write('display running-config/n')  #执行指令        time.sleep(1)        handle.write('show stack/n')  #执行指令        time.sleep(1)         #读取所有信息        result = handle.read_very_eager()          logger.info('Received info: {}'.format(result))    finally:        handle.close() if __name__ == '__main__':    telnet_handle(host='192.168.10.1', port='23')

#!/usr/bin/env python# coding=utf-8 import paramiko,sys,time client = paramiko.SSHClient()client.set_missing_host_key_policy(paramiko.AutoAddPolicy())#连接SSH服务器client.connect("192.168.10.1",22,"admin","admin")#执行命令的方式一   连接linux发送固定指令stdin,stdout,stderr = client.exec_command("whoami")time.sleep(2)print(stdout.read())stdin,stdout,stderr = client.exec_command("cat /root/lzhi/c_call_python.txt")print(stdout.read())stdin,stdout,stderr = client.exec_command("ls")print(stdout.read())stdin,stdout,stderr = client.exec_command("ls -la")print(stdout.read()) #执行命令的方式二  获取命令行参数，并且删除参数1.保留需要执行的命令buf = sys.argvdel buf[0]str1 = ' '.join(buf)print(str1)#执行命令行参数给出的命令stdin,stdout,stderr = client.exec_command(str1)#time.sleep(1)print(stdout.read())