enable apache2 ubuntu code example

Example 1: start apache2 ubuntu

# Restart Apache 2 server on Linux/Unix
sudo service apache2 restart

# Start Apache 2 server on Linux/Unix
sudo service apache2 start

# Stop Apache 2 server on Linux/Unix
sudo service apache2 stop

# Reload Apache 2 server on Linux/Unix "No downtime!"
sudo service apache2 reload

Example 2: how to install apache server in ubuntu

sudo apt update
sudo apt install apache2