I inserted the code from @Joulinar before placing your @MichaIng
2 errors disappeared, need to solve
/.well-known/webfinger"
“/.well-known/nodeinfo”
ls -l /etc/nginx/sites-dietpi
grep '\[85\]' /boot/dietpi/.installed
dpkg -l | grep nginx
total 24
-rw-r--r-- 1 root root 580 Oct 10 21:34 Sonarr.conf
-rw-r--r-- 1 root root 1054 Oct 10 22:38 Tautuuli.conf
-rw-r--r-- 1 root root 205 Nov 19 08:56 dietpi-dav_redirect.conf
-rw-r--r-- 1 root root 880 Jul 16 00:12 jellyfin.conf
-rw-r--r-- 1 root root 382 Apr 15 2022 ombi.conf
-rw-r--r-- 1 root root 1558 Oct 16 21:11 qbt.conf
aSOFTWARE_INSTALL_STATE[85]=2
ii libnginx-mod-http-echo 1.18.0-6.1+deb11u3 arm64 Bring echo and more shell style goodies to Nginx
ii nginx-common 1.18.0-6.1+deb11u3 all small, powerful, scalable web/proxy server - common files
ii nginx-light 1.18.0-6.1+deb11u3 arm64 nginx web/proxy server (basic version)
ii python3-certbot-nginx 1.10.1-1 all Nginx plugin for Certbot
Your web server is not properly configured to resolve "/.well-known/webfinger". More information can be found in the documentation ↗.
Your web server is not properly configured to resolve "/.well-known/nodeinfo". More information can be found in the documentation ↗.
The PHP module "imagick" is not enabled, although the theming application is. For favicon generation to work correctly, you need to install and enable this module.
PHP modules "gmp" and/or "bcmath" are not enabled. If you use WebAuthn passwordless authentication, these modules are required.