followed your guide to install awstats. But getting Internal Server Error.
Upon checking the logs,
[Thu Mar 24 17:20:30 2016] [error] attempt to invoke directory as script: /usr/local/apache/htdocs/awstats-7.3/wwwroot/cgi-bin/
[Thu Mar 24 17:20:44 2016] [error] suexec policy violation: see suexec log for more details
[Thu Mar 24 17:20:44 2016] [error] Premature end of script headers: awstats.pl