According to requirements, we need to configure the php.ini into the best condition.
Step 1. Look for php.ini
1.1 init a PHP file and then write down this description
<?php
phpinfo();
?>
Step 2. revise upload_max_filesize = 100M
upload_max_filesize = 100M
Step3. Restart php server. Actually, we should restart apache2
/etc/init.d/apache2 restart
