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Linux Server Configuration

This is the sixth project of Full Stack Web Develper Nanodegree by Udacity.

Server information summary

Public IP address and port

35.165.178.76:2200

URL to web application

http://ec2-35-165-178-76.us-west-2.compute.amazonaws.com/

Installed third party softwares

- Apache2 and modules
- PostgreSQL and modules
- Git
- Pip and virtualenv

How to setup server

Basic security configuration

Connect to ssh as a root.

ssh -i ~/.ssh/udacity_key.rsa root@35.165.178.76

Set up locale.

echo 'LC_ALL="en_US.UTF-8"' >> /etc/environment
source /etc/environment
export LC_ALL

Download and run setup script.

wget https://raw.githubusercontent.com/earlbread/linux-server-configuration/master/config_server.sh
chmod +x ./config_server.sh
./config_server.sh
exit

Set password and upgrade softwares

After basic security configuration, connect to server as grader.

ssh -i ~/.ssh/udacity_key.rsa grader@35.165.178.76 -p 2200

At first login, you need to set new password for grader.

passwd

Before install other softwares, upgrade softwares currently installed.

sudo apt -qy update && sudo apt -qy upgrade

Web server configuration

Install and configure third party softwares

Install Apache and mod wsgi.

sudo apt -qy install apache2 libapache2-mod-wsgi python-dev

Install PostgreSQL and python module.

sudo apt -qy install postgresql python-psycopg2 libpq-dev

Change user to postgres.

sudo su - postgres

Run psql, create user and database.

psql
create user catalog with password 'catalog';
create database catalog owner catalog encoding 'utf-8';
\q

exit

Return to grader, add user catalog.

sudo adduser --disabled-password --gecos "" catalog

Install git, pip and virtualenv to serve catalog app.

sudo apt -qy install git python-pip && sudo pip install virtualenv

Change user to catalog.

sudo su - catalog

Clone app and install modules needed as catalog user.

git clone https://github.com/earlbread/item-catalog catalog

cd catalog
./setup

To use google and facebook login, update client keys in catalog/config.py

GOOGLE_CLIENT_ID='YOUR_GOOGLE_CLIENT_ID'
GOOGLE_CLIENT_SECRET='YOUR_GOOGLE_CLIENT_SECRET'
FB_CLIENT_ID='YOUR_FACEBOOK_CLIENT_ID'
FB_CLIENT_SECRET='YOUR_FACEBOOK_CLIENT_SECRET'

Return to grader, add apache configuration to /etc/apache2/sites-available/catalog.conf

# /etc/apache2/sites-available/catalog.conf

<VirtualHost *:80>
    ServerName localhost
    WSGIScriptAlias / /home/catalog/catalog/catalog.wsgi
    <Directory /home/catalog/catalog/>
            Require all granted
    </Directory>
    ErrorLog ${APACHE_LOG_DIR}/error.log
    LogLevel warn
    CustomLog ${APACHE_LOG_DIR}/access.log combined
</VirtualHost>

Disable default page and enable catalog application.

sudo a2dissite 000-default
sudo a2ensite catalog

Suppress apache warning.

echo "ServerName localhost" | sudo tee /etc/apache2/conf-available/fqdn.conf
sudo a2enconf fqdn

Restart apache server.

sudo service apache2 restart