multiple versions of PHP installed apache2 PHP
sudo update-alternatives --list php
/usr/bin/php7.4
/usr/bin/php8.0
/usr/bin/php8.1
ll /etc/php
total 28
drwxr-xr-x 5 root root 4096 Thg 3 31 22:16 ./
drwxr-xr-x 149 root root 12288 Thg 3 31 22:16 ../
drwxr-xr-x 4 root root 4096 Thg 2 22 15:34 7.4/
drwxr-xr-x 5 root root 4096 Thg 3 31 22:15 8.0/
drwxr-xr-x 5 root root 4096 Thg 3 31 22:16 8.1/
24