详解python连接telnet和ssh的两种方式

 #!/usr/bin/env python # coding=utf-8 import time import telnetlib import 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.argv del 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())