Then download ngx_pagespeed:
cd
NPS_VERSION=1.9.32.2
wget https://github.com/pagespeed/ngx_pagespeed/archive/release-${NPS_VERSION}-beta.zip
unzip release-${NPS_VERSION}-beta.zip
cd ngx_pagespeed-release-${NPS_VERSION}-beta/
wget https://dl.google.com/dl/page-speed/psol/${NPS_VERSION}.tar.gz
tar -xzvf ${NPS_VERSION}.tar.gz # extracts to psol/
But dont know if it s runing or no and dont know to change teh setting if it s needed ! and should i add my domaine somewhere in the google API ?
Thanks for help