Strict Standards: Non-static method JLoader::register() should not be called statically in /opt/lampp/htdocs/libraries/loader.php on line 71

Strict Standards: Non-static method JLoader::import() should not be called statically in /opt/lampp/htdocs/libraries/joomla/import.php on line 32

Strict Standards: Non-static method JLoader::register() should not be called statically in /opt/lampp/htdocs/libraries/loader.php on line 71

On a cpanel server, edit php.ini:

nano 
# /usr/local/lib/php.ini
; Print out errors (as a part of the output).  For production web sites,
; you're strongly encouraged to turn this feature off, and use error logging
; instead (see below).  Keeping display_errors enabled on a production web site
; may reveal security information to end users, such as file paths on your Web
; server, your database schema or other information.
display_errors = On

Change to:

; Print out errors (as a part of the output).  For production web sites,
; you're strongly encouraged to turn this feature off, and use error logging
; instead (see below).  Keeping display_errors enabled on a production web site
; may reveal security information to end users, such as file paths on your Web
; server, your database schema or other information.
display_errors = Off

Restart apache:

# service httpd restart