Prerequisites

• Ubuntu 12.04, 14.04, 16.04
• root privileges
• few knowledge using vim

Step 1 Install some Debian package development tools and library

sudo apt-get install dpkg-dev build-essential zlib1g-dev libpcre3 libpcre3-dev unzip

Step 2 Adding nginx repo

sudo nano /etc/apt/sources.list.d/nginx.list

Paste in two string

For 12.04:

deb http://nginx.org/packages/ubuntu/ precise nginx
deb-src http://nginx.org/packages/ubuntu/ precise nginx

For 14.04:

deb http://nginx.org/packages/ubuntu/ trusty nginx 
deb-src http://nginx.org/packages/ubuntu/ trusty nginx

For 16.04:

deb http://nginx.org/packages/ubuntu/ xenial nginx 
deb-src http://nginx.org/packages/ubuntu/ xenial nginx

After that update

 sudo apt-get update

Command stop and show strings like that:

GPG error: http://nginx.org <name package> Release: The following signatures couldn’t be verified because the public key is not available: NOPUBKEY ABF5BD8xxxxxxx

Don’t worry add this key



wget -q "http://nginx.org/packages/keys/nginx_signing.key" -O-| sudo apt-key add -

repeat

sudo apt-get update