putty和ssh免密码登录linux May 26, 2016 • {"display_name"=>"xcl", "login"=>"xcl", "email"=>"xuechuangli666@gmail.com", "url"=>""} 1，windows putty vim ~/.ssh/authorized_keys put your public key in up file. putty puttgen.exe 2, linux ssh ssh-keygen ssh-copy-id user@server