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Or for longer, use three backticks above and below the code snippet:
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Some or all of the below information will be requested if it isn’t supplied; for fastest response please provide as much as you can 
Nextcloud version (eg, 20.0.5): 26.0.1
Operating system and version (eg, Ubuntu 20.04): docker-fpm @ Raspberry Pi OS 11
Apache or nginx version (eg, Apache 2.4.25): nginx 1.23.4
PHP version (eg, 7.4): 8.1.18
The issue you are facing: On Settings → Overview, I get “Error occurred while checking server setup” but there are no errors - I checked the following:
- Logs (i.e. data/nextcloud.log)
- CLI (i.e. occ integrity:check-core)
- https://scan.nextcloud.com
Is this the first time you’ve seen this error? (Y/N): Y
I start getting this error from the version 26.0.0
Steps to replicate it:
- Go to Settings
- Go to Administration
- Go to Overview
Client side I have the following errors:
GET https://mynas.synology.me/index.php/.well-known/webfinger 404
GET https://mynas.synology.me/index.php/.well-known/nodeinfo 404
GET https://mynas.synology.me/settings/ajax/checksetup 504
The output of your Nextcloud log in Admin > Logging:
No errors
The output of your config.php file in /path/to/nextcloud (make sure you remove any identifiable information!):
<?php
$CONFIG = array (
'memcache.local' => '\\OC\\Memcache\\APCu',
'apps_paths' =>
array (
0 =>
array (
'path' => '/var/www/html/apps',
'url' => '/apps',
'writable' => false,
),
1 =>
array (
'path' => '/var/www/html/custom_apps',
'url' => '/custom_apps',
'writable' => true,
),
),
'overwritehost' => 'mynas.synology.me',
'overwriteprotocol' => 'https',
'trusted_proxies' =>
array (
0 => 'mynas.synology.me',
1 => '192.168.2.100',
),
'instanceid' => 'ocxoalcueoiu',
'passwordsalt' => 'dgdfsadg/toP',
'secret' => 'B7Asafsadfdsfsadf9ng/h',
'trusted_domains' =>
array (
0 => 'mynas.synology.me',
),
'datadirectory' => '/var/www/html/data',
'dbtype' => 'mysql',
'version' => '26.0.1.1',
'overwrite.cli.url' => 'https://mynas.synology.me',
'dbname' => 'nextcloud',
'dbhost' => '192.168.2.10:3307',
'dbport' => '',
'dbtableprefix' => 'oc_',
'mysql.utf8mb4' => true,
'dbuser' => 'nextcloud_usr',
'dbpassword' => 'JtsadfasdfadsafqwNI',
'installed' => true,
'theme' => '',
'loglevel' => 2,
'maintenance' => false,
'mail_smtpmode' => 'smtp',
'mail_smtphost' => 'smtp.gmail.com',
'mail_sendmailmode' => 'smtp',
'mail_from_address' => 'mymail',
'mail_smtpport' => '465',
'mail_domain' => 'gmail.com',
'mail_smtpauth' => 1,
'mail_smtpname' => 'mymail@gmail.com',
'mail_smtppassword' => 'asdfsadfsadf',
'mail_smtpsecure' => 'ssl',
);
The output of your Apache/nginx/system log in /var/log/____:
no errors
Here my nginx.conf file:
Please note I also tried with same results the standard one provided online.
worker_processes auto;
error_log /var/log/nginx/error.log warn;
pid /var/run/nginx.pid;
events {
worker_connections 1024;
}
http {
include /etc/nginx/mime.types;
default_type application/octet-stream;
log_format main '$remote_addr - $remote_user [$time_local] "$request" '
'$status $body_bytes_sent "$http_referer" '
'"$http_user_agent" "$http_x_forwarded_for"';
access_log /var/log/nginx/access.log main;
sendfile on;
#tcp_nopush on;
# Prevent nginx HTTP Server Detection
server_tokens off;
keepalive_timeout 65;
#gzip on;
upstream php-handler {
server app:9000;
}
server {
server_name mynas.synology.me;
listen 80;
# HSTS settings
# WARNING: Only add the preload option once you read about
# the consequences in https://hstspreload.org/. This option
# will add the domain to a hardcoded list that is shipped
# in all major browsers and getting removed from this list
# could take several months.
#add_header Strict-Transport-Security "max-age=15768000; includeSubDomains; preload;" always;
# set max upload size
client_max_body_size 512M;
fastcgi_buffers 64 4K;
# Enable gzip but do not remove ETag headers
gzip on;
gzip_vary on;
gzip_comp_level 4;
gzip_min_length 256;
gzip_proxied expired no-cache no-store private no_last_modified no_etag auth;
gzip_types application/atom+xml application/javascript application/json application/ld+json application/manifest+json application/rss+xml application/vnd.geo+json application/vnd.ms-fontobject application/x-font-ttf application/x-web-app-manifest+json application/xhtml+xml application/xml font/opentype image/bmp image/svg+xml image/x-icon text/cache-manifest text/css text/plain text/vcard text/vnd.rim.location.xloc text/vtt text/x-component text/x-cross-domain-policy;
# Pagespeed is not supported by Nextcloud, so if your server is built
# with the `ngx_pagespeed` module, uncomment this line to disable it.
#pagespeed off;
# HTTP response headers borrowed from Nextcloud `.htaccess`
add_header Referrer-Policy "no-referrer" always;
add_header X-Content-Type-Options "nosniff" always;
add_header X-Download-Options "noopen" always;
add_header X-Frame-Options "SAMEORIGIN" always;
add_header X-Permitted-Cross-Domain-Policies "none" always;
add_header X-Robots-Tag "noindex, nofollow" always;
add_header X-XSS-Protection "1; mode=block" always;
# Remove X-Powered-By, which is an information leak
fastcgi_hide_header X-Powered-By;
# Path to the root of your installation
root /var/www/html;
# Specify how to handle directories -- specifying `/index.php$request_uri`
# here as the fallback means that Nginx always exhibits the desired behaviour
# when a client requests a path that corresponds to a directory that exists
# on the server. In particular, if that directory contains an index.php file,
# that file is correctly served; if it doesn't, then the request is passed to
# the front-end controller. This consistent behaviour means that we don't need
# to specify custom rules for certain paths (e.g. images and other assets,
# `/updater`, `/ocm-provider`, `/ocs-provider`), and thus
# `try_files $uri $uri/ /index.php$request_uri`
# always provides the desired behaviour.
index index.php index.html /index.php$request_uri;
# Rule borrowed from `.htaccess` to handle Microsoft DAV clients
location = / {
if ( $http_user_agent ~ ^DavClnt ) {
return 302 /remote.php/webdav/$is_args$args;
}
}
location = /robots.txt {
allow all;
log_not_found off;
access_log off;
}
#rewrite ^/.well-known/webfinger /public.php?service=webfinger last;
# Make a regex exception for `/.well-known` so that clients can still
# access it despite the existence of the regex rule
# `location ~ /(\.|autotest|...)` which would otherwise handle requests
# for `/.well-known`.
location ^~ /.well-known {
# The rules in this block are an adaptation of the rules
# in `.htaccess` that concern `/.well-known`.
location = /.well-known/carddav { return 301 https://$host/remote.php/dav/; }
location = /.well-known/caldav { return 301 https://$host/remote.php/dav/; }
location /.well-known/acme-challenge { try_files $uri $uri/ =404; }
location /.well-known/pki-validation { try_files $uri $uri/ =404; }
# Let Nextcloud's API for `/.well-known` URIs handle all other
# requests by passing them to the front-end controller.
return 301 https://$host/index.php$request_uri;
}
# Rules borrowed from `.htaccess` to hide certain paths from clients
location ~ ^/(?:build|tests|config|lib|3rdparty|templates|data)(?:$|/) { return 404; }
location ~ ^/(?:\.|autotest|occ|issue|indie|db_|console) { return 404; }
# Ensure this block, which passes PHP files to the PHP process, is above the blocks
# which handle static assets (as seen below). If this block is not declared first,
# then Nginx will encounter an infinite rewriting loop when it prepends `/index.php`
# to the URI, resulting in a HTTP 500 error response.
location ~ \.php(?:$|/) {
# Required for legacy support
rewrite ^/(?!index|remote|public|cron|core\/ajax\/update|status|ocs\/v[12]|updater\/.+|oc[ms]-provider\/.+|.+\/richdocumentscode\/proxy) /index.php$request_uri;
fastcgi_split_path_info ^(.+?\.php)(/.*)$;
set $path_info $fastcgi_path_info;
try_files $fastcgi_script_name =404;
include fastcgi_params;
fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
fastcgi_param PATH_INFO $path_info;
#fastcgi_param HTTPS on;
fastcgi_param modHeadersAvailable true; # Avoid sending the security headers twice
fastcgi_param front_controller_active true; # Enable pretty urls
fastcgi_pass php-handler;
fastcgi_intercept_errors on;
fastcgi_request_buffering off;
}
location ~ \.(?:css|js|svg|gif)$ {
try_files $uri /index.php$request_uri;
expires 6M; # Cache-Control policy borrowed from `.htaccess`
access_log off; # Optional: Don't log access to assets
}
location ~ \.woff2?$ {
try_files $uri /index.php$request_uri;
expires 7d; # Cache-Control policy borrowed from `.htaccess`
access_log off; # Optional: Don't log access to assets
}
# Rule borrowed from `.htaccess`
location /remote {
return 301 /remote.php$request_uri;
}
location / {
try_files $uri $uri/ /index.php$request_uri;
}
}
}
):