测试ip通否 示例

1.

'''
测试ip通
'''
import os
with open("/tmp/cunchu")  as f:
        ip_list = f.readlines()
print(ip_list)
for i in ip_list:
        i=i.strip("\n")
        #print(i)
        str="/usr/bin/nc -vz -w 2 " + i + " >/dev/null 2>&1"
        res=os.system(str)
        if res != 0:
                print(i)