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Cant get Nginx to run simple php-file // 502 Bad gateway
Hey i want to install a wordpress-site to my debian10 server with nginx but just cant get things to run. To reduce problems i created simplest possbile “hello world” index.html and index.php files for testing.
<html>
<head>
<title>PHP-Test</title>
</head>
<body>
<?php echo '<p>Hallo Welt</p>'; ?>
</body>
</html>
When ive the index.html in my directory /var/www/EXAMPLE.COM it shows the example site correctly, but whatever i try, when i replace it with the index.php testsite it always shows “502 - Bad Gateway”.
For server administration i use the amp-webinterface (which uses nginx too) on the subdomain amp.EXAMPLE.COM, but i guess that shouldnt be a problem. (that webinterface is working completly fine)
server {
listen 80;
listen [::]:80;
server_name amp.EXAMPLE.COM;
if ($host = amp.EXAMPLE.COM) {
return 301 https://$host$request_uri;
}
return 404;
}
server {
listen 443 ssl http2;
listen [::]:443 ssl http2;
server_name amp.EXAMPLE.COM;
# Replace the below as appropriate according to certificate locations and
# whatever SSL settings you want. The below reflects a standard certbot
# configuration
ssl_certificate /etc/letsencrypt/live/amp.EXAMPLE.COM/fullchain.pem;
ssl_certificate_key /etc/letsencrypt/live/amp.EXAMPLE.COM/privkey.pem;
include /etc/letsencrypt/options-ssl-nginx.conf;
ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem;
location / {
proxy_pass http://localhost:8080; # Or whatever local IP and port ADS is listening on
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection "Upgrade";
proxy_set_header X-AMP-Scheme $scheme;
proxy_read_timeout 86400s;
proxy_send_timeout 86400s;
proxy_http_version 1.1;
proxy_redirect off;
proxy_buffering off;
client_max_body_size 10240M;
# The following nine lines will only work if nginx and AMP are on the same host
error_page 502 /NotRunning.html;
location = /NotRunning.html {
root /opt/cubecoders/amp/shared/WebRoot;
internal;
}
location /shared/ {
alias /opt/cubecoders/amp/shared/WebRoot/;
}
}
}
nginx -t
nginx: [warn] conflicting server name "amp.EXAMPLE.COM" on [::]:443, ignored
nginx: [warn] conflicting server name "amp.EXAMPLE.COM" on 0.0.0.0:443, ignored
nginx: [warn] conflicting server name "amp.EXAMPLE.COM" on 0.0.0.0:80, ignored
nginx: [warn] conflicting server name "amp.EXAMPLE.COM" on [::]:80, ignored
nginx: the configuration file /etc/nginx/nginx.conf syntax is ok
nginx: configuration file /etc/nginx/nginx.conf test is successful
In the nginx/error.log are no errors, except the conflicting-server-name-warn-thing
sites-enabled
server {
if ($host = www.EXAMPLE.COM) {
return 301 https://$host$request_uri;
} # managed by Certbot
if ($host = EXAMPLE.COM) {
return 301 https://$host$request_uri;
} # managed by Certbot
listen 80;
listen [::]:80;
server_name EXAMPLE.COM www.EXAMPLE.COM;
root /var/www/EXAMPLE.COM;
index index.php index.html index.htm index.nginx-debian.html;
location / {
location ~* \.php$ {
include fastcgi_params;
fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
fastcgi_pass 127.0.0.1:9001;
try_files $uri @yii =404;
}
}
server {
listen 443;
listen [::]:443;
server_name EXAMPLE.COM www.EXAMPLE.COM;
root /var/www/EXAMPLE.COM;
index index.php index.html index.htm index.nginx-debian.html;
location / {
location ~* \.php$ {
include fastcgi_params;
fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
fastcgi_pass 127.0.0.1:9001;
try_files $uri @yii =404;
}
}
ssl_certificate /etc/letsencrypt/live/EXAMPLE.COM/fullchain.pem; # managed by Certbot
ssl_certificate_key /etc/letsencrypt/live/EXAMPLE.COM/privkey.pem; # managed by Certbot
}
instead of fastcgi_pass i already directly linked to the php8.0-fpm.sock but it didnt changed anything, so i switched to this location block i found online.
Gave perms alrady with
sudo chmod -R 755 /var/www/EXAMPLE.COM/
sudo chown www-data:www-data -R /var/www/EXAMPLE.COM/
and always restartet nginx.
I also removed old php7.3, now only have 8.0 remaining and installed php8.0-fpm (php8.0-fpm is positive responding to systemctl status (see below); php-fpm is not)
● php8.0-fpm.service - The PHP 8.0 FastCGI Process Manager
Loaded: loaded (/lib/systemd/system/php8.0-fpm.service; enabled; vendor preset: enabled)
Active: active (running) since Tue 2021-03-16 14:08:33 UTC; 1h 24min ago
Docs: man:php-fpm8.0(8)
Main PID: 100460 (php-fpm8.0)
Status: "Processes active: 0, idle: 2, Requests: 11, slow: 0, Traffic: 0req/sec"
Tasks: 3 (limit: 9508)
Memory: 18.9M
CGroup: /system.slice/php8.0-fpm.service
├─100460 php-fpm: master process (/etc/php/8.0/fpm/php-fpm.conf)
├─100461 php-fpm: pool www
└─100462 php-fpm: pool www
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