I've install koha-3.14.03, when write http://localhost:8080/ the browser shows the source  code. Like this #!/usr/bin/perl # This file is part of Koha. # # Koha is free software; you can redistribute it and/or modify it under the # terms of the GNU General Public License as published by the Free Software # Foundation; either version 2 of the License, or (at your option) any later # version. # # Koha is distributed in the hope that it will be useful, but WITHOUT ANY # WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR # A PARTICULAR PURPOSE. See the GNU General Public License for more details. # # You should have received a copy of the GNU General Public License along # with Koha; if not, write to the Free Software Foundation, Inc., # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. use strict; use warnings; use CGI; use C4::Auth; # get_template_and_user use C4::Output; use C4::NewsChannels; # get_opac_news use C4::Languages qw(getTranslatedLanguages accept_language); my $input = new CGI; my $dbh = C4::Context->dbh; my ( $template, $borrowernumber, $cookie ) = get_template_and_user( { template_name => "opac-main.tmpl", type => "opac", query => $input, authnotrequired => ( C4::Context->preference("OpacPublic") ? 1 : 0 ), flagsrequired => { borrow => 1 }, } ); my $casAuthentication = C4::Context->preference('casAuthentication'); $template->param( casAuthentication => $casAuthentication, ); # display news # use cookie setting for language, bug default to syspref if it's not set my ($theme, $news_lang) = C4::Templates::themelanguage(C4::Context->config('opachtdocs'),'opac-main.tt','opac',$input); my $all_koha_news = &GetNewsToDisplay($news_lang); my $koha_news_count = scalar @$all_koha_news; $template->param( koha_news => $all_koha_news, koha_news_count => $koha_news_count ); # If GoogleIndicTransliteration system preference is On Set paramter to load Google's javascript in OPAC search screens if (C4::Context->preference('GoogleIndicTransliteration')) { $template->param('GoogleIndicTransliteration' => 1); } output_html_with_http_headers $input, $cookie, $template->output; How can I manag to resolve it. thanks.