пример A2ensite
a2ensite /etc/apache2/sites-available/new-domain.conf
//-----------------
a2dissite /etc/apache2/sites-available/new-domain.conf
Pro___coder$
a2ensite /etc/apache2/sites-available/new-domain.conf
//-----------------
a2dissite /etc/apache2/sites-available/new-domain.confa2ensite /etc/apache2/sites-available/new-domain.conf
//-----------------
a2dissite /etc/apache2/sites-available/new-domain.conf