apache

/etc/init.d/apache2 start
net.ppp0             |* Bringing up interface ppp0
net.ppp0             |*   ERROR: interface ppp0 does not exist
net.ppp0             |*   Ensure that you have loaded the correct kernel module for your hardware
net.ppp0             |* ERROR: net.ppp0 failed to start
apache2              |* ERROR: cannot start apache2 as net.ppp0 would not start
linux genus # netmount             |* ERROR: cannot start netmount as net.ppp0 would not start

в сторону настроек ppp твоей системы. Отключи этот интерфейс в конфигах и всё.