PHP 5.6 + Nginx 1.10.1 + PostgreSQL 9.5.3 on Ubuntu Trusty

$ sudo vim /etc/default/locale

    LC_ALL="en_US.UTF-8"

$ source /etc/default/locale

$ sudo add-apt-repository ppa:ondrej/php

$ sudo add-apt-repository ppa:nginx/stable

$ sudo sh -c 'echo "deb http://apt.postgresql.org/pub/repos/apt/ $(lsb_release -cs)-pgdg main" > /etc/apt/sources.list.d/pgdg.list'

$ wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | sudo apt-key add -

$ sudo apt-get update

$ sudo apt-get install php5.6 php5.6-common php5.6-fpm php5.6-json php5.6-mcrypt php5.6-mbstring php5.6-pgsql

$ sudo apt-get install nginx

$ sudo apt-get install postgresql-9.5 postgresql-contrib-9.5

$ sudo vim /etc/php/5.6/fpm/pool.d/www.conf

    user = www-data
    group = www-data

    listen = /run/php/php5.6-fpm.sock
    listen.user = www-data
    listen.group = www-data

$ sudo openssl req -x509 -nodes -days <num_days> -newkey rsa:2048 -keyout /path/to/ssl.key -out /path/to/ssl.crt

$ sudo vim /etc/nginx/sites-available/default

    server {
        listen 80 default_server;
        listen [::]:80 default_server;
        listen 443 ssl;

        root /var/www;

        # Add index.php to the list if you are using PHP
        index index.php index.html index.htm index.nginx-debian.html;

        server_name _;

        ssl_certificate /path/to/ssl.crt;
        ssl_certificate_key /path/to/ssl.key;

        location / {
            try_files $uri $uri/ /index.php?$query_string;
        }

        location ~ \.php$ {
            try_files $uri /index.php =404;
            fastcgi_split_path_info ^(.+\.php)(/.+)$;
            fastcgi_pass unix:/var/run/php/php5.6-fpm.sock;
            fastcgi_index index.php;
            fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
            include fastcgi_params;
        }
    }

$ sudo su - postgres
$ createuser -ePE <db_user>
$ createdb -e -E UTF-8 -O <db_user> <db_name>
$ exit

$ sudo vim /etc/postgresql/9.5/main/postgresql.conf

    listen_addresses = 'localhost' // comma-separated, '*' for all

    ...

    ssl_cert_file = '/path/to/ssl.crt'
    ssl_key_file = '/path/to/ssl.key'


$ sudo vim /etc/postgresql/9.5/main/pg_hba.conf

    # TYPE  DATABASE        USER            ADDRESS                 METHOD
    host    all             all             127.0.0.1/24            md5

$ tar jxvf phpPgAdmin-x.x.tar.bz2
$ rm phpPgAdmin-x.x.tar.bz2

$ sudo mv -v phpPgAdmin-x.x /var/www/phpPgAdmin
$ sudo chown -R www-data:www-data /var/www/phpPgAdmin

$ sudo vim /var/www/phpPgAdmin/conf/config.inc.php

    $conf['servers'][0]['desc'] = 'Host Name';
    $conf['servers'][0]['host'] = 'URL/IP Address';
    $conf['servers'][0]['port'] = 5432;

    ...

    $conf['extra_login_security'] = true;

    // other means. (e.g. Run 'SELECT * FROM pg_database' in the SQL area.)
    $conf['owned_only'] = true;

    ...

$ sudo service postgresql restart
$ sudo service php5.6-fpm restart
$ sudo service nginx restart