I've downloaded " http://open.litespeedtech.com/packages/openlitespeed-1.4.32.tgz" and uploaded root folder, on this article " https://openlitespeed.org/mediawiki/index.php/Help:Module_Guides#PageSpeed_Module " I'm doing this way " Code: cd /openlitespeed_download/src/modules/pagespeed ./dlpsol.sh Build modpagespeed.so make First step is " cd /openlitespeed_download/src/modules/pagespeed " is done no any trouble second step " ./dlpsol.sh " is done no any trouble third step build modpagespeed.so " make " than its giving Code: [root@vmi188732 pagespeed]# make f77 Makefile.f -o Makefile make: f77: Command not found make: *** No targets specified and no makefile found. Stop. that error. This is my big trouple SECOND SECTION install pagespeed If I use install pagespeed command "[root@vmi188732 pagespeed]# yum install pagespeed" than its giving that error " Code: You could try using --skip-broken to work around the problem You could try running: rpm -Va --nofiles --nodigest " This is point. Pagespeed module can't install.