Specify Directory AllowOverride in docs

docs/installation/linux.md

@@ -19,7 +19,7 @@ sudo apt-get dist-upgrade
 sudo apt-get install apache2 cmake curl git libapache2-mod-php5 memcached mysql-server nano php5 php5-curl php5-gd php5-json php5-memcached php5-mysqlnd php5-pgsql php5-sqlite php5-xdebug postgresql python python-jinja2 python-markdown python-pip python-yaml sqlite3 subversion
 sudo pip install mkdocs
 sudo a2enmod rewrite
-echo -e "<VirtualHost *:80>\nServerAdmin webmaster@example.org\nServerName example.org\nServerAlias www.example.org\nDocumentRoot /var/www/example.org/html\nErrorLog \${APACHE_LOG_DIR}/error.log\nCustomLog \${APACHE_LOG_DIR}/access.log combined\n</VirtualHost>" | sudo tee -a /etc/apache2/sites-available/example.org.conf
+echo -e "<Directory /var/www/example.org/html>\nAllowOverride All\n</Directory>\n<VirtualHost *:80>\nServerAdmin webmaster@example.org\nServerName example.org\nServerAlias www.example.org\nDocumentRoot /var/www/example.org/html\nErrorLog \${APACHE_LOG_DIR}/error.log\nCustomLog \${APACHE_LOG_DIR}/access.log combined\n</VirtualHost>" | sudo tee -a /etc/apache2/sites-available/example.org.conf
 sudo a2ensite example.org.conf
 sudo service apache2 restart
 ```
@@ -81,11 +81,16 @@ sudo chown $USER:$USER /var/www/example.org/html
     The value of $DOCUMENT_ROOT in the general instructions will be
     /var/www/example.org/html.
 
-Add the configuration of the virtual host:
+Add the configuration of the virtual host, including a Directory section
+to allow apache to execute directives defined in .htaccess files:
 
 ```bash
 sudo nano /etc/apache2/sites-available/example.org.conf
 
+<Directory /var/www/example.org/html>
+     AllowOverride All
+</Directory>
+
 <VirtualHost *:80>
     ServerAdmin webmaster@example.org
     ServerName example.org