Ubuntu 16.04: enable http2 for Apache2

ubuntu.16.04-enable.http2.for.apache2.sh

#!/bin/bash
# $1 => UNIX user as parameter

# Done and working in a Linode 1GB on Nov, 19th.

cd ~

# to enable http/2, copy these lines into /etc/apt/sources.list
su -
vim /etc/apt/sources.list
#deb-src http://archive.ubuntu.com/ubuntu/ xenial main universe restricted multiverse
#deb-src http://security.ubuntu.com/ubuntu xenial-security main universe restricted multiverse
#deb-src http://archive.ubuntu.com/ubuntu/ xenial-updates main universe restricted multiverse

apt-get update && apt-get upgrade
apt-get install curl devscripts build-essential fakeroot

echo "Switch to the main user on the VPS (except root user)"
su $1
cd ~
sudo apt-get install libnghttp2-dev
mkdir apache2
cd apache2
apt-get source apache2
sudo apt-get build-dep apache2
cd apache2-2.4.18
sudo apt-get install curl devscripts build-essential fakeroot
fakeroot debian/rules binary
sudo cp debian/apache2-bin/usr/lib/apache2/modules/mod_http2.so /usr/lib/apache2/modules/
exit

vim /etc/apache2/mods-available/http2.load
# And copy the following (and remove the comment characters):
#LoadModule http2_module /usr/lib/apache2/modules/mod_http2.so

#<IfModule http2_module>
#LogLevel http2:info
#</IfModule>

echo "Enable the HTTP2 module"
a2enmod http2

vim /etc/apache2/apache2.conf
# add at the end:
#Protocols h2 http/1.1

apachectl configtest
service apache2 restart

cd ~