SSH configuration password free login error: /usr/bin/ssh copy ID: error: no identities found solution

One 、ssh Password free login ：

1. Create key ：

ssh-keygen

Then just go straight back .
After execution ,~/.ssh/ There will be two more files in the directory ：
id_rsa： Private key
id_rsa.pub： Public key

2. Add a public key to the server ：

Which server do you want to log in without password , Just pass the public key to which server .

Mode one ：
for example , Want to log in without secret myserver The server . The contents of the public key , Copied to the myserver Medium ~/.ssh/authorized_keys Just in the file .

Mode two ：
You can also use the following command to add a public key with one click ：

ssh-copy-id myserver

Two 、 Be careful ：

When you use mode 2 ssh-copy-id myserver When the command adds a public key to the server , If the following error occurs ,

/usr/bin/ssh-copy-id: ERROR: No identities found

Check your ssh-copy-id Whether the command is executed under the permission of the local host account , Or log in to the server account to execute , It should be executed under the local host , If you log in to the server account, an error will be reported .