Python

对macvlan 不熟悉的同学，可以先看下这篇macvlan virtual network简介 默认情况下Linux kernel会阻止(drop)宿主机（host eth0）虚拟出来的 macvlan network（bridge mode） 和宿主机host eth0）之间网络数据包。 ...

最近开发的遇到一个需求是在判断 两个目录是否相互包含。 想着用正则表达式或者递归去解决，捣鼓一段时间后发现总有些edge case 不能cover到， 后来发现用 python 的pathlib 可以很好的解决。 ...

遇到一个奇怪的问题执行certbot会报错，moudle conflict和 No module，但是yum install certbot的时候没有报错。 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 certbot Traceback (most recent call last): File "/bin/certbot", line 7, in <module> from certbot.main import main File "/usr/lib/python2.7/site-packages/certbot/main.py", line 17, in <module> from certbot import account File "/usr/lib/python2.7/site-packages/certbot/account.py", line 17, in <module> from acme import messages File "/usr/lib/python2.7/site-packages/acme/messages.py", line 7, in <module> from acme import challenges File "/usr/lib/python2.7/site-packages/acme/challenges.py", line 11, in <module> import requests File "/usr/lib/python2.7/site-packages/requests/__init__.py", line 58, in <module> from . import utils File "/usr/lib/python2.7/site-packages/requests/utils.py", line 32, in <module> from .exceptions import InvalidURL File "/usr/lib/python2.7/site-packages/requests/exceptions.py", line 10, in <module> from .packages.urllib3.exceptions import HTTPError as BaseHTTPError File "/usr/lib/python2.7/site-packages/requests/packages/__init__.py", line 95, in load_module raise ImportError("No module named '%s'" % (name,)) ImportError: No module named 'requests.packages.urllib3' pip install requests urllib3 pyOpenSSL --force --upgrade certbot An unexpected error occurred: VersionConflict: (setuptools 0.9.8 (/usr/lib/python2.7/site-packages), Requirement.parse('setuptools>=1.0')) pip install --upgrade pip setuptools certbot ls meat 弄了很久决定抛弃yum直接使用 pip安装certbot，安装完成后，发现不再报错： ...