Nginx with PHP8.0?

[Christos Chatzaras]

> On 13 Mar 2021, at 20:58, Ken Wright <wizard at koalatyworks.com> wrote:
> 
> I recently upgraded from php7.4 to php8.0 and I find some of my
> applications no longer operate.  When I checked the error log, I found
> the problem:  the applications are still look for php7.4-fpm.sock,
> which no longer exists.  I tried reinstalling php7.4, but with no
> success.  Can anyone help me solve this issue?

Did you change fastcgi_pass socket path in your virtual host?