lsphp73

I upgraded php7.3 to php7.4 but it shows "Your PHP installation appears to be missing the MySQL extension which is required by WordPress". I search solution on google, it happens because I didn't install the MySQL extension yet. then I run this yum install lsphp74-mysqlnd. But Nothing change...

I tried to install OpenLiteSpeed today on a fresh ubuntu 20.04 droplet on Digital Ocean as per https://openlitespeed.org/kb/install-ols-from-litespeed-repositories/ I can add the repo fine but when I try to do sudo apt install openlitespeed I get openlitespeed : Depends: lsphp73 but it is not...