# sudo apt-get install subversion

Crear la ruta /var/svn:

# mkdir /var/svn

Instalar apache2 y libapache2-svn:

# sudo apt-get install apache2 libapache2-svn

Crear el fichero /etc/subversion/passwd y añadir el primer usuario:

# htpasswd -c /etc/subversion/passwd user_name

Para añadir el resto de usuarios:

# htpasswd -c /etc/subversion/passwd user_name

Editar /etc/apache2/mods-enabled:

<Location /svn>
  DAV svn
  SVNParentPath /var/svn
  AuthType Basic
  AuthName "Subversion Repository"
  AuthUserFile /etc/subversion/passwd
  <LimitExcept GET PROPFIND OPTIONS REPORT>
    Require valid-user
  </LimitExcept>
</Location>

Crear los repositorios de subversion:

# svnadmin create /var/svn/repo
# chown -R www-data /var/svn/repo

Reiniciar apache2:

# /etc/init.d/apache2 restart

Crear la estructura de directorios TTB (Trunk, Tags, Branches):

# svn mkdir http://localhost/svn/repo/trunk  -m "Creating trunk"
# svn mkdir http://localhost/svn/repo/tags  -m "Creating tags"
# svn mkdir http://localhost/svn/repo/branches  -m "Creating branches"

I installed on my Ubuntu box just typping:

$ sudo apt-get update
$ sudo apt-get install terminator

Looks like this: