Apache2 Installation Tutorial in Ubuntu
update and upgrade
$ sudo apt update && apt upgrade -y
Install Apache2 Server
$ sudo apt install apache2
Start this apache2 server
$ sudo service apache2 start
Or
$ sudo systemctl start apache2.service
check your ip address
$ ifconfig
Checking Apache Service is work or not.
Type your ip address in browser , If you see apache default page your apache installation is successful.