Assuming that apache is installed!

1. Install packages
   apt-get install subversion libapache2-svn libapache-mod-dav
2. Enable SSL
   a2enmod
   Add “Listen 443″ into httpd.conf if needed.
3. Install SSL
   apt-get install ssl-cert
   mkdir /etc/apache2/ssl
   /usr/sbin/make-ssl-cert /usr/share/ssl-cert/ssleay.cnf /etc/apache2/ssl/site-name.crt
4. Adding Basic Authentication:
   htpasswd2 -c -m /home/path-to/svn/project/.htpasswd username
5. Configure site
   cp /etc/apache2/sites-available/default /etc/apache2/sites-available/site-name
   nano /etc/apache2/sites-available/site-name

   <VirtualHost IP_ADDRESS:443>
   ServerName hostname
   DocumentRoot /home/path-to/svn

   SSLEngine on
   SSLCertificateFile /etc/apache2/ssl/site-name.crt
   SSLProtocol all
   SSLCipherSuite HIGH:MEDIUM

   <Directory “/home/path-to/svn”>
   Options FollowSymLinks MultiViews
   AllowOverride All
   Order allow,deny
   Allow from All
   SSLRequireSSL
   </Directory>

   ### project
   <Location “/svn/project”>
   AuthType Basic
   AuthName “Subversion Login”
   AuthUserFile /home/path-to/svn/project/.htpasswd
   Require valid-user
   </Location>
   </VirtualHost>

   a2ensite $SITENAME
/etc/init.d/apache2 restart

6. Adding repository
   mkdir /home/path-to/svn
   svnadmin create /home/path-to/svn/repos
   chown -R www-data:www-data /home/path-to/svn/repos
   chmod -R g+ws /home/path-to/svn/repos
7. Enabling SVN
   Edit /etc/apache2/mods-available/dav_svn.conf
   DAV svn
SVNParentPath /home/path-to/svn (for multi repositories)
SVNPath /home/path-to/svn (for single repository)For non-anonymous access comment out:
   #<LimitExcept GET PROPFIND OPTIONS REPORT>
#</LimitExcept>
8. Finalization
   /etc/init.d/apache2 restart
9. Initial Import and Checkout
svn import --username username files https://hostname/svn/repos/testdir -m “Testing”
svn co --username username https://hostname/svn/repos