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I am following the well-accpeted answer of terminal - How to ssh to remote web server without using a password - Ask Different to ssh to remote sever without password

1, Generate a fresh key pair on local mac:

2, copy the new key to remote server,(Centos)

3, change permissions of .ssh

4, config

5. Unfortunately:

   $ ssh [email protected] [email protected]'s password: 

6, I followed the thumbs youtube instrucitons Linux/Mac Tutorial: SSH Key-Based Authentication - How to SSH Without a Password - YouTube

7, Try again from the local

8, I search solutions to use scp

9, I check another vedio SSH without password | Tutorial - YouTube

changmod to 600 $ sudo ls -al .ssh total 32 drw------- 10 me staff 320 Dec 1 00:13 . drwxr-xr-x+ 67 me staff 2144 Dec 1 00:01 .. -rw------- 1 me staff 1696 Sep 1 10:15 MyKeyPair.pem -rw------- 1 me staff 1692 Sep 1 23:21 SecondKeyPair.pem -rw------- 1 me staff 137 Dec 1 00:01 config -rw------- 1 me staff 3243 Feb 27 2018 id_rsa -rw------- 1 me staff 749 Feb 27 2018 id_rsa.pub -rw------- 1 me staff 3760 Nov 5 19:33 known_hosts -rw------- 1 me staff 3389 Nov 30 23:22 webserver -rw------- 1 me staff 745 Nov 30 23:22 webserver.pub   $ sudo ssh [email protected] [email protected]: Permission denied (publickey,gssapi-keyex,gssapi-with-mic). 

the sshd_config on the server

alternative test

$ /usr/sbin/sshd -d -p 2222 debug1: sshd version OpenSSH_7.8, LibreSSL 2.7.3 Could not load host key: /etc/ssh/ssh_host_rsa_key Could not load host key: /etc/ssh/ssh_host_ecdsa_key Could not load host key: /etc/ssh/ssh_host_ed25519_key sshd: no hostkeys available -- exiting.   $ sudo /usr/sbin/sshd -d -p 2222 Password: debug1: sshd version OpenSSH_7.8, LibreSSL 2.7.3 Could not load host key: /etc/ssh/ssh_host_rsa_key Could not load host key: /etc/ssh/ssh_host_ecdsa_key Could not load host key: /etc/ssh/ssh_host_ed25519_key sshd: no hostkeys available -- exiting. 

I am following the well-accepted answer to terminal - How to ssh to remote web server without using a password - Ask Different to ssh to remote sever without password

1. Generate a fresh key pair on local mac:

2. copy the new key to remote server (CentOS)

3. change permissions of .ssh

4. config

5. Unfortunately:

``` $ ssh [email protected] [email protected]'s password: ``` 

6. I followed the thumbs YouTube instructions Linux/Mac Tutorial: SSH Key-Based Authentication - How to SSH Without a Password - YouTube

7. Try again from the local

8. I search solutions to use scp

9. I check another video SSH without password | Tutorial - YouTube

``` changmod to 600 $ sudo ls -al .ssh total 32 drw------- 10 me staff 320 Dec 1 00:13 . drwxr-xr-x+ 67 me staff 2144 Dec 1 00:01 .. -rw------- 1 me staff 1696 Sep 1 10:15 MyKeyPair.pem -rw------- 1 me staff 1692 Sep 1 23:21 SecondKeyPair.pem -rw------- 1 me staff 137 Dec 1 00:01 config -rw------- 1 me staff 3243 Feb 27 2018 id_rsa -rw------- 1 me staff 749 Feb 27 2018 id_rsa.pub -rw------- 1 me staff 3760 Nov 5 19:33 known_hosts -rw------- 1 me staff 3389 Nov 30 23:22 webserver -rw------- 1 me staff 745 Nov 30 23:22 webserver.pub $ sudo ssh [email protected] [email protected]: Permission denied (publickey,gssapi-keyex,gssapi-with-mic). ``` 

The sshd_config on the server:

Alternative test:

$ /usr/sbin/sshd -d -p 2222 debug1: sshd version OpenSSH_7.8, LibreSSL 2.7.3 Could not load host key: /etc/ssh/ssh_host_rsa_key Could not load host key: /etc/ssh/ssh_host_ecdsa_key Could not load host key: /etc/ssh/ssh_host_ed25519_key sshd: no hostkeys available -- exiting. $ sudo /usr/sbin/sshd -d -p 2222 Password: debug1: sshd version OpenSSH_7.8, LibreSSL 2.7.3 Could not load host key: /etc/ssh/ssh_host_rsa_key Could not load host key: /etc/ssh/ssh_host_ecdsa_key Could not load host key: /etc/ssh/ssh_host_ed25519_key sshd: no hostkeys available -- exiting. 

$ /usr/sbin/sshd -d -p 2222 debug1: sshd version OpenSSH_7.8, LibreSSL 2.7.3 Could not load host key: /etc/ssh/ssh_host_rsa_key Could not load host key: /etc/ssh/ssh_host_ecdsa_key Could not load host key: /etc/ssh/ssh_host_ed25519_key sshd: no hostkeys available -- exiting. 

$ /usr/sbin/sshd -d -p 2222 debug1: sshd version OpenSSH_7.8, LibreSSL 2.7.3 Could not load host key: /etc/ssh/ssh_host_rsa_key Could not load host key: /etc/ssh/ssh_host_ecdsa_key Could not load host key: /etc/ssh/ssh_host_ed25519_key sshd: no hostkeys available -- exiting.   $ sudo /usr/sbin/sshd -d -p 2222 Password: debug1: sshd version OpenSSH_7.8, LibreSSL 2.7.3 Could not load host key: /etc/ssh/ssh_host_rsa_key Could not load host key: /etc/ssh/ssh_host_ecdsa_key Could not load host key: /etc/ssh/ssh_host_ed25519_key sshd: no hostkeys available -- exiting. 

alternative test

$ /usr/sbin/sshd -d -p 2222 debug1: sshd version OpenSSH_7.8, LibreSSL 2.7.3 Could not load host key: /etc/ssh/ssh_host_rsa_key Could not load host key: /etc/ssh/ssh_host_ecdsa_key Could not load host key: /etc/ssh/ssh_host_ed25519_key sshd: no hostkeys available -- exiting.