Linux opens remote connection configuration ssh file

---Edit the ssh configuration file
nano /etc/ssh/sshd_config
PermitRootLogin yes #Allow root to log in
PermitEmptyPasswords no #Do not allow empty passwords to log in
PasswordAuthentication yes #Set whether to use password authentication.
--ssh service startup command:
sudo /etc/init.d/ssh start |stop |restart
---Set ssh boot self-start: update-rc.d ssh enable

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