SSL 証明書を取得する (Let's Encrypt)2020/05/01

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) 
# 初回のみメールアドレスの登録と利用条件への同意が必要
# 受信可能なメールアドレスを指定
(Enter 'c' to cancel): root@mail.srv.world 
Starting new HTTPS connection (1): acme-v01.api.letsencrypt.org

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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-v01.api.letsencrypt.org/directory
-------------------------------------------------------------------------------
# 利用条件に同意する
(A)gree/(C)ancel: A

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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 EFF and
our work to encrypt the web, protect its users and defend digital rights.
-------------------------------------------------------------------------------
# 非営利団体 Electronic Frontier Foundation にもメールアドレスを登録するか否か
(Y)es/(N)o: Y
Starting new HTTPS connection (1): supporters.eff.org
Obtaining a new certificate
Performing the following challenges:
http-01 challenge for www.srv.world
Using the webroot path /var/www/html for all unmatched domains.
Waiting for verification...
Cleaning up challenges

IMPORTANT NOTES:
 - Congratulations! Your certificate and chain have been saved at:
   /etc/letsencrypt/live/www.srv.world/fullchain.pem
   Your key file has been saved at:
   /etc/letsencrypt/live/www.srv.world/privkey.pem
   Your cert will expire on 2020-08-01. 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

# [Congratulations] と表示さえれば成功
# メッセージ中に記載の通り [/etc/letsencrypt/live/(FQDN)/] 配下に証明書が取得されている

# cert.pem       ⇒ SSLサーバー証明書(公開鍵含む)
# chain.pem      ⇒ 中間証明書
# fullchain.pem  ⇒ cert.pem と chain.pem が結合されたファイル
# privkey.pem    ⇒ 公開鍵に対する秘密鍵

Saving debug log to /var/log/letsencrypt/letsencrypt.log
Plugins selected: Authenticator standalone, Installer None
Obtaining a new certificate
Performing the following challenges:
http-01 challenge for www.srv.world
Waiting for verification...
Cleaning up challenges

IMPORTANT NOTES:
 - Congratulations! Your certificate and chain have been saved at:
   /etc/letsencrypt/live/www.srv.world/fullchain.pem
   Your key file has been saved at:
   /etc/letsencrypt/live/www.srv.world/privkey.pem
   Your cert will expire on 2020-08-01. 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"
 - 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