Debian/Ubuntu切换apache+php-fpm模式
安装FastCGI和php-fpm
apt install -y libapache2-mod-fcgid php-fpm
source envvars
apachectl -M
apache2 -V
phpv=`php -v`
phpv=${phpv:4:3}
a2enconf php${phpv}-fpm
a2dismod php${phpv}
a2dismod mpm_prefork
a2enmod mpm_event
a2enmod proxy
a2enmod proxy_fcgi
systemctl restart apache2
