update ssh config
- 書き換えの実施
/etc/ssh/sshd_config
PermitRootLogin no
PasswordAuthentication no
PubkeyAuthentication yes
- 再起動
systemctl restart sshd
/etc/ssh/sshd_config
PermitRootLogin no
PasswordAuthentication no
PubkeyAuthentication yes
systemctl restart sshd