How to completely delete Apache2 in Ubuntu

Ubuntu installation of Apache2 is very simple, just sudoapt-getinstallapache2. But after using the sudoapt-getremoveapache2, I said that only a few k of space can be released, and after the deletion can still access the apache server, it is visible that not deleted. Later I used manapt-get to see that apt-get has another parameter autoremove, that is, sudoapt-getautoremo.

Installing Apache2 in Ubuntu is simple. You only need sudo apt-get install apache2.

However, after I use sudo apt-get remove apache2, I say that I can only release the space of a few k points at, and I can still access the apache server after deletion. it is visible that I have not deleted it.

Later, use man apt-get to see that apt-get has another parameter autoremove, that is, sudo apt-get autoremove apache2, which will be deleted!