Added CentOS / Fedora support and added missing dependencies. (#1023)

docs/environment.rst

@@ -10,12 +10,22 @@ Setup Your Database
 
 Semester.ly stores objects like courses, timetables, and students in a Postgres database. Let's get one setup for you.
 
-Let's enter the Postgres shell by typing:
+Let's first initialize Postgres using the default user account ``postgres``
+
+Log into this account with
+
+.. code-block:: bash
+
+    sudo -i -u postgres
+
+Then, enter Postgres environment with
 
 .. code-block:: bash
 
     psql postgres
 
+.. note:: If you see an error in CentOS / Fedora, it's most likely due to postgres is not running. Initialize it with ``sudo service postgresql initdb && sudo service postgresql start``.
+
 Here you can enter SQL to create/manipulate/access databases. Let's create a Semester.ly database. Enter:
 
 .. code-block:: psql
@@ -40,6 +50,14 @@ Great. You are all set. Enter the following to quit psql:
     
     \q
 
+Then enter the following to log out from user ``postgres`` 
+
+.. code-block:: bash
+    
+    exit
+
+.. note:: For CentOS / Fedora, Change all occurances of ident to md5 in pg_hba.conf. You can modify the file through ``sudo vim /var/lib/pgsql9/data/pg_hba.conf``. After you change it, restart postgres with ``sudo service postgresql restart``.
+
 Create Local Settings
 ~~~~~~~~~~~~~~~~~~~~~
 
@@ -88,13 +106,13 @@ For development purposes, we map http://sem.ly:8000 to http://localhost:8000. To
 
 Set your Environment Type
 ~~~~~~~~~~~~~~~~~~~~~~~~~
-Add the following line to either your ``~/.bash.rc`` or ``~/.zshrc`` which tells webpack you are running a development environment:
+Add the following line to either your ``~/.bashrc`` or ``~/.zshrc`` which tells webpack you are running a development environment:
 
 .. code-block:: bash
 
     export NODE_ENV=development
 
-Then ``source ~/.bash.rc`` or ``source ~/.zshrc``
+Then ``source ~/.bashrc`` or ``source ~/.zshrc``
 
 And make sure the following line returns "development"
 

docs/setup.rst

@@ -61,19 +61,32 @@ Before installing the python requirements, you must make sure to have PostgreSQL
 
 .. code-block:: bash
 
-    sudo apt-get install postgresql
+    sudo apt-get install sudo apt-get install postgresql python-psycopg2 libpq-dev libxslt-dev libxml2-dev
+
+**On CentOS / Fedora** use yum:
+
+.. code-block:: bash
+
+    sudo yum install postgresql gcc python-lxml postgresql-libs libxslt-devel libxml2-devel
 
 Install Python Requirements
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-.. note:: **ATTENTION MAC USERS:**, you must install the xcode command line tools via ``xcode-select --install`` before proceeding. You may also need to update openssl. If so, please `follow this guide <https://medium.com/@katopz/how-to-upgrade-openssl-8d005554401>`_. 
+.. note:: **ATTENTION MAC USERS:** you must install the xcode command line tools via ``xcode-select --install`` before proceeding. You may also need to update openssl. If so, please `follow this guide <https://medium.com/@katopz/how-to-upgrade-openssl-8d005554401>`_. 
 
 All python dependencies are kept in a file called ``requirements.txt``. Anytime a dependency is added or changed, we update it in this file. To bring your virutal environment up to date with all of these requirements easily, simply execute:
 
 .. code-block:: bash
 
+    pip install --upgrade pip
     pip install -r requirements.txt
 
+There are python modules that are missing from requirements.txt. Install them with:
+
+.. code-block:: bash
+
+    pip install pyyaml pygments kombu==3.0.33 billiard
+
 Install Node Packages
 ~~~~~~~~~~~~~~~~~~~~~~
 Node and node package manager are the backbone of our frontend setup. To begin, install Node Package Manager (npm). 
@@ -91,6 +104,14 @@ Node and node package manager are the backbone of our frontend setup. To begin,
     sudo apt-get install nodejs
     sudo apt-get install npm
 
+**On CentOS / Fedora**:
+
+.. code-block:: bash
+
+    sudo yum install -y gcc-c++ make
+    curl -sL https://rpm.nodesource.com/setup_6.x | sudo -E bash -
+    sudo yum install nodejs
+
 Then use the newly installed Node Package Manager (npm) to install all javascript dependencies. When you execute this command, it reads from the file ``package.json`` which specifies all dependencies, their versions, and some additional node related configurations:
 
 .. code-block:: bash