<VirtualHost *:80>
    ServerAdmin xxx
    ServerName acollida.com
    ServerAlias www.acollida.com
    DocumentRoot /var/www/acollida
    ErrorLog ${APACHE_LOG_DIR}/error.log
    CustomLog ${APACHE_LOG_DIR}/access.log combined
</VirtualHost>

<VirtualHost *:80>
    ServerAdmin xxx
    ServerName segona.com
    ServerAlias www.segona.com
    DocumentRoot /var/www/segona
    ErrorLog ${APACHE_LOG_DIR}/error.log
    CustomLog ${APACHE_LOG_DIR}/access.log combined
</VirtualHost>

a2ensite

127.0.0.1   localhost
127.0.1.1   ubuntu01

192.168.10.17 segona.com
192.168.10.17 acollida.com