Sometimes we need to have more time for executing heavy script on apache server. In this case, it shows time out error like this.
504 Gateway Time-out
To increase limit, we need to check 2 things. Apache and PHP configuration.
Increase in PHP
Open the php.ini file and modify below.
Below is just example, change the value according to your needs.
max_execution_time = 120 max_input_time = 120 memory_limit = 256M
Increase in Apache
Open Conf file and add below.
cd /etc/apache2/sites-available/ vi yourfile.conf