Koha Backend Installation

1. Add Koha package source: 

   apt-get update
   apt-get -y install sudo wget gnupg2
   wget -qO - https://debian.koha-community.org/koha/gpg.asc | gpg --dearmor -o /usr/share/keyrings/koha-keyring.gpg
   apt-get update
   

2. Add Koha repositories:
   First, you need to add the Koha repositories to your Debian system. Create a new file /etc/apt/sources.list.d/koha.list using a text editor (you'll need root privileges):

   
   

   sudo nano /etc/apt/sources.list.d/koha.list

   
   

   Add the following lines to the file:

   deb [signed-by=/usr/share/keyrings/koha-keyring.gpg] https://debian.koha-community.org/koha stable main

   Save the file and exit the text editor.

3.  Update Package Index: Update the package index to make sure your system has the latest information about available packages:

   
   

   apt update

   Install Koha packages:
   Install the Koha packages using the apt package manager. This will install Koha and its dependencies:

   apt-get install koha-common

4. Install the database:

   Install MariaDB (recommended).

   apt-get install mariadb-server

5. Configure the defaults: 
   

   Edit the file /etc/koha/koha-sites.conf and adjust it to suit the configuration that you'd like as set Intraport to 8080. 
   

   DOMAIN=".example.com"
   INTRAPORT="8080"
   INTRAPREFIX=""
   INTRASUFFIX=""
   OPACPORT="80"
   OPACPREFIX=""
   OPACSUFFIX=""

6. Set up Apache2:

   sudo a2enmod rewrite 
   sudo a2enmod cgi 
   sudo service apache2 restart

7. Configure Apache port:
   Configuring Koha for access by IP address with port 80 to OPAC and 8080 to Staff interface.

   Now  edit /etc/apache2/ports.conf and make sure the following lines are present:

   Listen 80
   Listen 8080

8. Restart Apache2

   sudo systemctl restart apache2

9. Create a Koha instance:

   Only do this if you are running MySQL locally.

   Replace libraryname with the name of your library:

   sudo koha-create --create-db libraryname