Let’s Encrypt升级流程

今天收到了Let’s Encrypt的邮件,大意就是以后不支持TLS-SNI-01,需要替换为其他校验方式。

You need to update your ACME client to use an alternative validation method (HTTP-01, DNS-01 or TLS-ALPN-01) before this date or your certificate renewals will break and existing certificates will start to expire.

参考官方的教程,开始进行升级。首先将certbot升级到0.28.0

ubuntu@:~$ certbot --version
 certbot 0.19.0

然后按步骤升级,dry-run通过

root@:~# sudo certbot renew --dry-run
Saving debug log to /var/log/letsencrypt/letsencrypt.log

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Processing /etc/letsencrypt/renewal/njujiang.tech.conf
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Cert not due for renewal, but simulating renewal for dry run
Plugins selected: Authenticator apache, Installer apache
Renewing an existing certificate
Performing the following challenges:
http-01 challenge for njujiang.tech
Waiting for verification...
Cleaning up challenges

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new certificate deployed with reload of apache server; fullchain is
/etc/letsencrypt/live/njujiang.tech/fullchain.pem
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** DRY RUN: simulating 'certbot renew' close to cert expiry
**          (The test certificates below have not been saved.)

Congratulations, all renewals succeeded. The following certs have been renewed:
  /etc/letsencrypt/live/njujiang.tech/fullchain.pem (success)
** DRY RUN: simulating 'certbot renew' close to cert expiry
**          (The test certificates above have not been saved.)
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然后强制更新

root@:~# sudo certbot renew
Saving debug log to /var/log/letsencrypt/letsencrypt.log

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Processing /etc/letsencrypt/renewal/njujiang.tech.conf
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Cert not yet due for renewal

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The following certs are not due for renewal yet:
  /etc/letsencrypt/live/njujiang.tech/fullchain.pem expires on 2019-03-30 (skipped)
No renewals were attempted.
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root@:~# certbot renew --force-renewal
Saving debug log to /var/log/letsencrypt/letsencrypt.log

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Processing /etc/letsencrypt/renewal/njujiang.tech.conf
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Plugins selected: Authenticator apache, Installer apache
Renewing an existing certificate
Performing the following challenges:
http-01 challenge for njujiang.tech
Waiting for verification...
Cleaning up challenges

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
new certificate deployed with reload of apache server; fullchain is
/etc/letsencrypt/live/njujiang.tech/fullchain.pem
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Congratulations, all renewals succeeded. The following certs have been renewed:
  /etc/letsencrypt/live/njujiang.tech/fullchain.pem (success)
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