1.在finder菜单栏点击前往，输入 ‘/etc’，查找hosts文件，复制去其他文件目录保留原件
2.打开更改hosts，在最后一行添加“199.232.28.133 raw.githubusercontent.com”
image
3.执行命令
curl -L https://raw.githubusercontent.com/wayneeseguin/rvm/master/binscripts/rvm-installer | bash -s stable
4.执行命令
source /Users/allen/.rvm/scripts/rvm
5.查看是否安装成功 rvm -v
allen@alleniMac ~ % curl -L https://raw.githubusercontent.com/wayneeseguin/rvm/master/binscripts/rvm-installer | bash -s stable
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 24532 100 24532 0 0 26504 0 --:--:-- --:--:-- --:--:-- 26492
Downloading https://github.com/rvm/rvm/archive/1.29.12.tar.gz
Downloading https://github.com/rvm/rvm/releases/download/1.29.12/1.29.12.tar.gz.asc
Found PGP signature at: 'https://github.com/rvm/rvm/releases/download/1.29.12/1.29.12.tar.gz.asc',
but no GPG software exists to validate it, skipping.
Installing RVM to /Users/allen/.rvm/
Adding rvm PATH line to /Users/allen/.profile /Users/allen/.mkshrc /Users/allen/.bashrc /Users/allen/.zshrc.
Adding rvm loading line to /Users/allen/.profile /Users/allen/.bash_profile /Users/allen/.zlogin.
Installation of RVM in /Users/allen/.rvm/ is almost complete:
* To start using RVM you need to run `source /Users/allen/.rvm/scripts/rvm`
in all your open shell windows, in rare cases you need to reopen all shell windows.
Thanks for installing RVM 🙏
Please consider donating to our open collective to help us maintain RVM.
👉 Donate: https://opencollective.com/rvm/donate
