letsencrypt证书更新问题解决

Couldn't download https://raw.githubusercontent.com/certbot/certbot/v1.2.0/letsencrypt-auto-source/letsencrypt-auto.

每次证书更新时会自动检测并更新脚本,如无必要可不更新脚本:

certbot-auto renew --no-self-upgrade

加上--no-self-upgrade参数即可。