$ ssh-keygen -yf ~/.ssh/id_rsa > ~/.ssh/id_rsa.pub
Via! https://qiita.com/koudaiii/items/45f9f5929afb0039ffdb
https://kanonji.hatenadiary.com/entry/20110514/1305378873
$ ssh-keygen -yf ~/.ssh/id_rsa > ~/.ssh/id_rsa.pub
Via! https://qiita.com/koudaiii/items/45f9f5929afb0039ffdb
https://kanonji.hatenadiary.com/entry/20110514/1305378873