2022-12-05 crontabによる letsencrypt の自動更新 メモ 5 0 1 * * sudo /usr/bin/certbot renew --post-hook "/bin/systemctl reload httpd.service" 参考url https://blog.mitsuto.com/lets-encrypt-certbot-nginx https://it-jog.com/khow/serv/sslbyletsencrypt