and then reinstall it. Are there any instructs for this?
May I know what are you trying to uninstall and reinstall?
A let’s encrypt certificate or a acme client?
Let’s Encrypt certificate
If you are trying to uninstall let’s encrypt certificates, it’s a three step process
- Remove all certificate and key file reference from your virtual hosts (might need to comment out the corresponding ssl virtual host as well since those virtual host requires a certificate to use) (reload/restart your web server afterward)
- Only If you want to completely reissue those certificates and aren’t hit with rate limit.
Safely delete the certificate using software commands (not delete the certificate directly in your file system)
- Request a new certificate or install the previously uninstalled one to your web server. (Restart /reload your web server afterward)
why do you want to uninstall an reinstall your certificate?
If you have an active certificate, you can use it 60 - 89 days, then create a new and replace the old.
I am having trouble with the site. I plan on deleting the instance and then recreating it. Will I be able to get a new Let’s Encrypt cert for the same URI?
Usually. It depends. Let’s Encrypt has rate limits.
In particular, the duplicate certificate and accounts per IP range limits are a concern.
It would be prudent to back up your Let’s Encrypt files just in case.
You can check your logs or something like https://tools.letsdebug.net/cert-search to see how many certificates have been issued for your domain(s) recently.
One thing that’s worth pointing out is that there’s no “uninstall” step that will positively or negatively affect your ability to get new certificates in the future. Let’s Encrypt is happy to issue you new certificates, within the rate limits, regardless of whether you have or have had other Let’s Encrypt certificates.
I deleted the previous substantiator.com instance (I am using Lightsail). Now I am going to try using Plesk instead (also on Lightsail). When installing Plesk the setup app asked if I want to set up encryption with Let’s Encrypt. I answered yes. My app talks with Chrome which requires ssl for cors. Anyway, here is what I got (please advise):
n issue occurred while securing the domain substantiator.com:
Could not issue a Let’s Encrypt SSL/TLS certificate for substantiator.com. Authorization for the domain failed.
Invalid response from https://acme-v01.api.letsencrypt.org/acme/authz/esgLS0gpj5CP1tfC6ENQD2ffn7EmjCz0kgTLnvnl02c.
Detail: DNS problem: SERVFAIL looking up A for substantiator.com
Domains that have not been secured are listed below. Please secure them manually.
It’s correct that your DNS setup is currently broken. I don’t know how you’re managing DNS, but this diagnosis is right.
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