Christos Hayward asked:
At present, letsencrypt-auto, when run from the command line with e.g. -d example.com -d www.example.com for arguments, requests interactively whether I want HTTP requests forcibly redirected to HTTPS.
How can I cron this? Can I run it < input.txt or some form of yes 2 |? Or does letsencrypt-auto act differently when it’s not attached to a tty?
Thanks,
My answer:
First, update to the latest version of certbot. If you are still calling letsencrypt-auto then you likely have a very old version that will stop working sooner or later.
All you need to do to renew is call certbot-auto renew or certbot renew. Each cert you have obtained already has its own configuration file stored in /etc/letsencrypt and doesn’t need options explicitly specified again.
Ideally you should be using a certbot package provided by your Linux distribution. In addition to remaining up to date, these include a systemd timer which you can enable to have the renewal job run automatically.
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