Putty Add SSH Key

Question

Each time before using Putty remote connection, you need to enter a password, remember that you can use SSH to achieve password-free login, so try it.

First, on remote Linux, a pair of RSA public key pairs is created with Ssh-keygen, and the private key is copied to the Windows system via Putty Connection-> SSH-> Auth-> Parameters-> Browse selects the private key and then logs on, prompting the following error:

Unable to use key file "xxx" (OpenSSH SSH-2 private key)

What. You cannot use the private key of the OpenSSH SSH-2 type, Are you kidding me. Answer

On the Internet to see a post said OpenSSH private key and putty incompatible, need to use Puttygen convert it to the putty of the private key type, so, download a puttygen tried, and sure enough. OpenSSH private key-> Putty private key

Puttygen-> Import key-> Save private key