本文主要是介绍Let‘s Encrypt证书自动更新报错，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！
运行环境：CentOS7.7
HTTPS证书自动续期定时任务报错，查看发现certbot-auto无法下载
wget -P /opt/letsencrypt/ https://dl.eff.org/certbot-auto错误信息如下：
-- https://dl.eff.org/certbot-auto
Resolving dl.eff.org (dl.eff.org)... 151.101.72.201, 2a04:4e42:11::201
Connecting to dl.eff.org (dl.eff.org)|151.101.72.201|:443... connected.
HTTP request sent, awaiting response... 404 Not Found
ERROR 404: Not Found.
好吧，到github下载certbot最新稳定版本
GitHub - certbot/certbot: Certbot is EFF's tool to obtain certs from Let's Encrypt and (optionally) auto-enable HTTPS on your server. It can also act as a client for any other CA that uses the ACME protocol.
https://github.com/certbot/certbot
下载后解压，将letsencrypt-auto-source目录下的letsencrypt-auto，复制到原来目录，如下：
# 解压到指定文件夹
tar -zxvf /opt/certbot-1.19.0.tar.gz -C /opt/certbot-1.19.0# 备份
mv /opt/letsencrypt/certbot-auto /opt/letsencrypt/certbot-auto.bak# 复制到目标文件夹
cp /opt/certbot-1.19.0/letsencrypt-auto-source/letsencrypt-auto /opt/letsencrypt/certbot-auto# 授予certbot-auto执行权
chmod u+x /opt/letsencrypt/certbot-auto# 接下来，手工执行一次定时任务脚本……剩下的按原来的脚本升级即可，祝你好运^-^
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