Nginx and php upload_max_filesize : other setups

Nginx and PHP-FPM Installation

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Nginx Installation in ProcessMaker has been included under an experimental section, since this installation has not being tested by QA Department yet, so this is not officialy supported by ProcessMaker.

Follow these instructions to install ProcessMaker 2.0 on top of a LNMP (Linux, Nginx, MySQL, PHP-FPM) stack in Ubuntu (Maverick Meerkat) 10.10 and later.


nginx (pronounced “Engine X” is a lightweight, high-performance server. It’s used among websites with high traffic to improve page responses and serving external files (CSS, JS, images) faster and with less memory footprint than the Apache webserver.


PHP-FastCGI Process Manager is a set of patches for PHP to work with the FastCGI process manager, turning PHP-FPM into a service rather than loading all of its libraries everytime a PHP request it’s made. PHP-FPM it’s used in conjunction with Nginx to drastically improve performance and to deal with many concurrent users.

Install Nginx, PHP-FPM and MySQL

Please note: You need to have the Apache webserver uninstalled or stopped to install Nginx

Open a shell by going to Applications > Accessories > Terminal. Enter the following:

sudo apt-get install nginx mysql-server mysql-client php5-fpm php5-mysql php5-curl php5-cli php5-common php5-geoip php5-mcrypt php5-memcache php-xml-serializer php-xml-parser php-soap php5-ldap php5-gd

When apt-get installs MySQL, a dialog box will appear asking for a new root password for MySQL.


Enter a password and select the option OK. If everything worked, you should be able to go to http://localhost

Install ProcessMaker

Follow the instructions at

Configure MySQL

Follow the instructions at

Configure PHP-FPM

Type this in your terminal:

sudo vi /etc/nginx/nginx.conf

locate the worker_processes line and change it to this:

worker_processes 5;

save the changes and close the file.

We also need to edit the php.ini file:

sudo vi /etc/php5/fpm/php.ini

Each ProcessMaker session needs a minimum of 80MB RAM to run properly, so set the memory_limit to 80M or greater:

memory_limit = 80M

In order to upload Input Documents, upgrade ProcessMaker and add plugins and languages, file_uploads need to be enabled:

file_uploads = On

ProcessMaker needs to use PHP’s short opening tags:

short_open_tag = On

If planning on uploading large Input Documents while running processes, the post_max_size and upload_max_filesize should be increased to more than the default 2MB. For instance, if planning on uploading files as large as 16MB, then:

post_max_size = 16M 
upload_max_filesize = 16M

Now we restart the PHP-FPM service:

sudo /etc/init.d/php5-fpm stop
sudo /etc/init.d/php5-fpm start

Configure Nginx

The last step is to configure Nginx. We’ll follow the same structure found on but using nginx directives:

sudo vi /etc/nginx/sites-available/pmos

Copy and paste the following:

server {
listen your_ip_address:80;
server_name _;
root /opt/processmaker/workflow/public_html;
index index.html;
rewrite ^/.*/(.*)$ /sysGeneric.php last;
# Every PHP script must be routed to PHP-FPM
location ~ \.php$ {
     if(!-f $request_filename) { return 404; }
     fastcgi_index    index.php;
     fastcgi_param    SCRIPT_FILENAME   /opt/processmaker/workflow/public_html$fastcgi_script_name;
     include fastcgi_params;

Replace your_ip_address with the IP number or domain name of the server running ProcessMaker. If only planning on running and accessing ProcessMaker on your local machine, then use the IP address “”. If using ProcessMaker on a machine whose IP address might change (such as a machine whose IP address is assigned with DHCP), then just use “80”.

If your DNS or /etc/hosts has a defined domain for ProcessMaker, then use that domain instead of the underscore “_” on the server_name line. Otherwise, just leave it as it is.

Now we need to enable the processmaker site:

sudo ln -s /etc/nginx/sites-available/pmos /etc/nginx/sites-enabled/pmos

Restart the server

sudo /etc/init.d/nginx restart

Setting Up ProcessMaker

Follow the instructions at

SSL on Nginx

Nginx has an SSL module which can be used with ProcessMaker. Read more at


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