https://cloud.tencent.com/developer/article/1614039
- Error: Permission denied @ apply2files
sudo chown -R $(whoami):admin /usr/local/* \
&& sudo chmod -R g+rwx /usr/local/*
- [update gem] (https://rubygems.org/pages/download/)
https://cloud.tencent.com/developer/article/1614039
sudo chown -R $(whoami):admin /usr/local/* \
&& sudo chmod -R g+rwx /usr/local/*