Solve the problem that the root user cannot log in when XShell is connected [Linux]

1. Install SSH service

sudo apt install golang-golang-x-tools

sudo apt-get install sppenssh-server

2. Start the SSH service

 sudo server sshd start

3. Modify the configuration file

Enter: vim /etc/ssh/sshd_configand find: PermitRootLogin prohibit-passwordand modify it to: PermitRootLogin yes

4. Restart the SSH service

sudo service sshd restart