The mod_dav_svn module provides Subversion server functionality through the Apache HTTP Server. Here is the general process to configure the mod_dav_svn module for Apache:
1. Install the mod_dav_svn module: The module is included in the subversion package which you can install using your system’s package manager. For Debian/Ubuntu systems use `sudo apt-get install subversion libapache2-mod-svn`. For CentOS/RHEL systems use `sudo yum install mod_dav_svn subversion`.
1. Enable the mod_dav_svn module: Depending on your system, this module may be enabled by default. If not, you can enable it using Apache’s `a2enmod` command like `sudo a2enmod dav_svn`.
1. Configure the module: Create a configuration file for the module at /etc/apache2/mods-enabled/dav\_svn.conf. The basic version of the configuration could look like this:
\`\`\`1. Create the SVNParentPath directory. The directory doesn’t have to exist already, but you must create it before you start using SVN. You can do this with the command `sudo mkdir /var/svn`.
1. Create the AuthUserFile. You can do this with the command `sudo htpasswd -c /etc/apache2/dav_svn.passwd username`. Replace username with your desired username, and you will be prompted to enter a password.
1. Restart Apache. You will need to restart the Apache server to apply the changes. You can do this with the command `sudo service apache2 restart`.
Please refer to the Apache and SVN documentation for the additional configuration options and more detailed instructions. It is crucial to understand that it’s always necessary to take care of the security (protect the svn dir, protect the password file, use SSL, etc.) when configuring SVN access.