git pull / git push 记住密码方法（ssh记住密码）local:~ yourname$ssh-keygen -t rsalocal:~ yourname$ ca
git pull / git push 记住密码方法（ssh记住密码）
local:~ yourname$ ssh-keygen -t rsa
local:~ yourname$ cat ~/.ssh/id_rsa.pub | ssh username@yourhost 'cat >> .ssh/authorized_keys'