Created
March 9, 2024 15:08
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Disable password authentication in Ubuntu 22.04 (Vultr instance)
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| cd /etc/ssh | |
| sudo nano sshd_config | |
| # PasswordAuthentication no | |
| # Remove the leading pound sign | |
| cd sshd_config.d | |
| ls # 50-cloud-init.conf | |
| sudo nano 50-cloud-init.conf | |
| # PasswordAuthentication yes | |
| sudo rm 50-cloud-init.conf | |
| # passwordauthentication no | |
| sudo sshd -T | grep passwordauthentication | |
| sudo systemctl restart ssh |
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