sudo gedit /etc/hosts
# 这里没有用终端修改的方式，即sudo vi，而是用gedit打开了文档修改
在任意一行添加
199.232.68.133 raw.githubusercontent.com
安装mavlink报错：aurllib2.URLError: ＜urlopen error ＜urlopen error [Errno 111] Connection refused＞_ubuntu mavlink安装报错-CSDN博客文章浏览阅读548次，点赞3次，收藏7次。mavros安装mavlink报错：urllib2.URLError: _ubuntu mavlink安装报错
https://blog.csdn.net/weixin_42217041/article/details/125536946?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522170322889416800186518831%2522%252C%2522scm%2522%253A%252220140713.130102334.pc%255Fall.%2522%257D&request_id=170322889416800186518831&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2~all~first_rank_ecpm_v1~rank_v31_ecpm-3-125536946-null-null.142%5Ev96%5Econtrol&utm_term=urllib.error.URLError%3A%20%3Curlopen%20error%20%5BErrno%20111%5D%20Connection%20refused%3E&spm=1018.2226.3001.4187
