ubuntu root login ssh
echo "PermitRootLogin yes" | sudo tee -a /etc/ssh/sshd_config
sudo systemctl restart sshd
# NOTE: root login is locked by default, assign a password with:
# [sudo passwd root]
# To lock root login afterwards run
# [sudo passwd -l root]
# To disable root login over ssh afterwards run
# [sed '$d' /etc/ssh/sshd_config | sudo tee /etc/ssh/sshd_config]ubuntu disable ssh root
#Open the SSH configuration file sshd_config with the text editor vi:
sudo nano /etc/ssh/sshd_config
#In the line PermitRootLogin yes replace the word Yes with the word No.
#Save the file.
#Restart the service.
sudo service ssh restartCopyright © 2021 Codeinu
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