Tencent Cloud/Alibaba Cloud/Linux server creation selects the key login password and cannot log in. How to solve the problem?

Tencent Cloud/Alibaba Cloud/Linux server creation selects the key login password and cannot log in. How to solve the problem?

Summarize the following four steps:

1. Change password

Get permission first, switch first

sudo su - root

change root password

passwd root

2. Modify the file

vi /etc/ssh/sshd_config

Find the following 2 sections,

PasswordAuthentication yes

PermitRootLogin yes

 

 

The comment # in front of the above 2 lines needs to be deleted

3. Restart the sshd service

systemctl restart sshd.service
 

It's done in one go, ok to solve it.