Please fill out the fields below so we can help you better. Note: you must provide your domain name to get help. Domain names for issued certificates are all made public in Certificate Transparency logs (e.g. crt.sh | example.com), so withholding your domain name here does not increase secrecy, but only makes it harder for us to provide help.
My domain is: jthome.thioulouse.fr
I ran this command: sudo certbot renew --dry-run
It produced this output:
Failed to renew certificate jthome.thioulouse.fr with error: HTTPSConnectionPool(host='acme-staging-v02.api.letsencrypt.org', port=443): Max retries exceeded with url: /directory (Caused by NewConnectionError('<urllib3.connection.HTTPSConnection object at 0xb2fc1d18>: Failed to establish a new connection: [Errno -3] Temporary failure in name resolution'))
My web server is (include version): nginx/1.18.0 (Ubuntu)
The operating system my web server runs on is (include version):
Ubuntu 21.04 (GNU/Linux 5.11.0-1023-raspi armv7l)
My hosting provider, if applicable, is:
I can login to a root shell on my machine (yes or no, or I don't know): yes
I'm using a control panel to manage my site (no, or provide the name and version of the control panel): no
The version of my client is (e.g. output of certbot --version or certbot-auto --version if you're using Certbot): certbot 1.29.0
