Below is how to fix the Your web server is not properly set up to resolve /.well-known/webfinger /.well-known/nodeinfo error if using NGiNX since everything else I could find was for Apache/HTTPD. Add the following to your NGiNX config file for nextcloud. Usualy found in /etc/nginx/sites-enabled/ or /etc/nginx/conf.d/ location = /.well-known/webfinger { return 301 $scheme://$host/index.php/.well-known/webfinger; } location = /.well-known/nodeinfo { return 301 $scheme://$host/index.php/.well-known/nodeinfo; } ACPu errors when doing stuff on the command line.