Dear sir/ madam Koha OPAC is not working, can you figure out the problem a) OS used and its version: ubuntu 12.4.0 b) Koha version used : 3.20.05.000 c) how you have set you apache settings for Koha e.g. what does apache2ctl -S show? apache2: Could not reliably determine the server's fully qualified domain name, using 127.0.1.1 for ServerName [Tue Nov 17 13:25:26 2015] [warn] _default_ VirtualHost overlap on port 8080, the first has precedence VirtualHost configuration: wildcard NameVirtualHosts and _default_ servers: *:8080 cohlibrary-intra.myDNSname.org <http://cohlibrary-intra.mydnsname.org/> (/etc/apache2/sites-enabled/ cohlibrary.conf:21) *:8080 cohlibrary-intra.myDNSname.org <http://cohlibrary-intra.mydnsname.org/> (/etc/apache2/sites-enabled/ cohlibrary.conf.save:21) *:80 is a NameVirtualHost default server cohlibrary.myDNSname.org <http://cohlibrary.mydnsname.org/> (/etc/apache2/sites-enabled/ cohlibrary.conf:4) port 80 namevhost cohlibrary.myDNSname.org <http://cohlibrary.mydnsname.org/> (/etc/apache2/sites-enabled/ cohlibrary.conf:4) port 80 namevhost cohlibrary.myDNSname.org <http://cohlibrary.mydnsname.org/> (/etc/apache2/sites-enabled/ cohlibrary.conf.backup:4) port 80 namevhost cohlibrary-intra.myDNSname.org <http://cohlibrary-intra.mydnsname.org/> (/etc/apache2/sites-enabled/ cohlibrary.conf.backup:21) port 80 namevhost cohlibrary.myDNSname.org <http://cohlibrary.mydnsname.org/> (/etc/apache2/sites-enabled/ cohlibrary.conf.save:4) Syntax OK d) whether you have the staff client running or not: it is working e) exactly what happens when you try to access the OPAC : unable to connect -- Dr. Shankar Reddy Assistant Librarian (University of Horticultural Sciences, Bagalkot) College of Horticulture, Kolar Cell no.9742749018