发布时间:2019-09-23 17:09:48编辑:auto阅读(2055)
->基础环境
Linux:ubuntu 16.04
Python ; 2.7
->修改hostname
1:$sudo hostname 2tong-slavetwo
2:$sudo vi /etc/hostname
2tong-slavetwo
3:$sudo vi /etc/hosts
127.0.0.1 localhost 2tong-slavetwo
127.0.1.1 2tong-slavetwo
->Python 环境下输出ip hostname
>>>import socket
>>>hostname = socket.gethostname()
>>>print hostname
2tong-slavetwo
>>>ip = socket.gethostbyname(hostname)
>>>print ip
127.0.0.1
>>>ipList = socket.gethostbyname_ex(name)
>>>print ipList
('localhost', ['2tong-slavetwo', '2tong-slavetwo'], ['127.0.0.1', '127.0.1.1']
->札记
import socket后,会从/etc/hostname中寻找hostname,而后前往/etc/hosts中查找ip
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