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Let's Encryptには、日本語のサイトが正式には存在しない。
Let's Encrypt 総合ポータルを参考にしてみる。
Debian 9 用の Certbot パケージは Stretch backports リポジトリから取得するため、 backports リポジトリが有効にする。
$ sudo nano /etc/apt/sources.list 以下を追加 deb http://ftp.debian.org/debian stretch-backports main $ sudo apt update
$ sudo apt -t stretch-backports install certbot $ sudo service apache2 stop $ sudo certbot certonly --webroot -w <ドキュメントルート> -d <ドメイン> -d <サブドメイン> Saving debug log to /var/log/letsencrypt/letsencrypt.log Plugins selected: Authenticator webroot, Installer None Enter email address (used for urgent renewal and security notices) (Enter 'c' to cancel): <メールアドレス> - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Please read the Terms of Service at https://letsencrypt.org/documents/LE-SA-v1.2-November-15-2017.pdf. You must agree in order to register with the ACME server at https://acme-v02.api.letsencrypt.org/directory - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - (A)gree/(C)ancel: A ... ここは許諾して - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Would you be willing to share your email address with the Electronic Frontier Foundation, a founding partner of the Let's Encrypt project and the non-profit organization that develops Certbot? We'd like to send you email about our work encrypting the web, EFF news, campaigns, and ways to support digital freedom. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - (Y)es/(N)o: N ... ここは任意 Obtaining a new certificate Performing the following challenges: http-01 challenge for <ドメイン> http-01 challenge for <サブドメイン> Using the webroot path <ドキュメントルート> for all unmatched domains. Waiting for verification... Cleaning up challenges IMPORTANT NOTES: - Congratulations! Your certificate and chain have been saved at: /etc/letsencrypt/live/<ドメイン>/fullchain.pem Your key file has been saved at: /etc/letsencrypt/live/<ドメイン>/privkey.pem Your cert will expire on 20xx-xx-xx. To obtain a new or tweaked version of this certificate in the future, simply run certbot again. To non-interactively renew *all* of your certificates, run "certbot renew" - Your account credentials have been saved in your Certbot configuration directory at /etc/letsencrypt. You should make a secure backup of this folder now. This configuration directory will also contain certificates and private keys obtained by Certbot so making regular backups of this folder is ideal. - If you like Certbot, please consider supporting our work by: Donating to ISRG / Let's Encrypt: https://letsencrypt.org/donate Donating to EFF: https://eff.org/donate-le
無事に証明書発行
バージョンの確認
$ sudo apache2 -v Server version: Apache/2.4.25 (Debian) Server built: 2019-04-02T19:05:13
/etc/apache2/sites-available/ 配下のSSLの設定を変更する
Apache 2.4.8 以降なので、下記のディレクティブを変更。
※SSL化済みのサイトなので...
SSLCertificateFile /etc/letsencrypt/live/<ドメイン名>/fullchain.pem SSLCertificateKeyFile /etc/letsencrypt/live/<ドメイン名>/privkey.pem
再起動
$ sudo service apache2 restart
