Seeing as nobodies followed up, I've tried to follow the guide, but it just doesn't work.
wget https://raw.githubusercontent.com/madlifer/ngx_pagespeed_auto/master/nps-auto.sh && bash nps-auto.sh
`Info] Select the function you want to use:
- Configuration before installation
- Install
- Check the running status
Enter number to select:`
nps-auto.sh: line 39: cd: /www/server/nginx/src: No such file or directory