Linux to solve non-root users with SSH can not login to the local problem without password.

1, enter the current user. SSH directory View permissions ls-l or LL

-rw-rw-r--1 hduser hduser 394 Mar 09:38 Authorized_keys
-RW-------1 hduser hduser 1675 Mar 09:38 Id_rsa
-rw-r--r--1 hduser hduser 394 Mar 09:38 id_rsa.pub

2. Discovery of Authorized_keys files as non-executable files

Execute chmod a+x authorized_keys Modify Permissions

3. Perform SSH localhost verification

Linux to solve non-root users with SSH can not login to the local problem without password.