Max File size
php_value upload_max_filesize = 12M php_value post_max_size = 13M php_value memory_limit = 15M
Start Apache (Debian 8.x+ or Ubuntu 15.04+ or above)
$ sudo systemctl start apache2
Stop Apache (Debian 8.x+ or Ubuntu 15.04+ or above)
$ sudo systemctl start apache2
Restart Apache (Debian 8.x+ or Ubuntu 15.04+ or above)
$ sudo systemctl restart apache2
Start Lampp’s Apache
$ sudo /opt/lampp/lampp startapache
Stop Lampp’s Apache
$ sudo /opt/lampp/lampp stopapache
Reload Lampp’s Apache
$ sudo /opt/lampp/lampp reloadapache
vhosts.conf location
/etc/httpd/conf.d
Apache Config Testing
sudo apachectl configtest
How To Run Multiple PHP Versions on One Server Using Apache and PHP-FPM on Ubuntu 20.04
See las error log
sudo tail -5 /var/log/apache2/error.log