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SCRIPT_FILENAME
parameter is defined in fastcgi_params file
or in parent contexts, for more details, please refer to PHP FastCGI ExampleHere’s the basic configuration used for the NGINX wiki.
server {
server_name wiki.nginx.org;
root /var/www/mediawiki;
index index.php;
client_max_body_size 5m;
client_body_timeout 60;
location / {
try_files $uri $uri/ @rewrite;
}
location @rewrite {
rewrite ^/(.*)$ /index.php?title=$1&$args;
}
location ^~ /maintenance/ {
return 403;
}
location /rest.php {
try_files $uri $uri/ /rest.php?$args;
}
location ~ \.php$ {
include fastcgi_params;
fastcgi_pass unix:/var/run/php/php7.3-fpm.sock;
fastcgi_param SCRIPT_FILENAME $request_filename;
}
location ~* \.(js|css|png|jpg|jpeg|gif|ico)$ {
try_files $uri /index.php;
expires max;
log_not_found off;
}
location = /_.gif {
expires max;
empty_gif;
}
location ^~ /cache/ {
deny all;
}
location /dumps {
root /var/www/mediawiki/local;
autoindex on;
}
}
Note
In order for this configuration to work, you will need to set “$wgUsePathInfo = TRUE;” in your LocalSettings.php file.
After installing the Math extension and enabling TeX you may find that the texvc binary doesn’t produce any PNG file, and instead produces the infamous Failed to parse (PNG conversion failed; check for correct installation of latex, dvips, gs, and convert) error.
If nothing obvious can be found such as permissions issues in showing up in the error log, then try running the texvc as root using sudo by changing shell_exec line (around line 123) of extensions/Math/MathTexvc.php
to the following:
$contents = wfShellExec( "sudo $cmd" );
To allow the web-server to have sudo access without compromising security the following line can be added to /etc/sudoers:
www-data ALL=NOPASSWD: /path/to/wiki/extensions/Math/math/texvc