See full list on freegistutorial.com. In this article, we’ll walk through the process of installing a Postgres database on a Mac OS X machine and set it up for Ruby on Rails development. Install Postgres Database with Homebrew Homebrew is a popular package manager for OS X. Bleeding Edge including with SFCGAL 3D support and PostGIS 2.3 (built for PostgreSQL 9.3-9.5) - get from Winnie, the PostGIS windows build-bot. Winnie builds a fresh pot whenever any changes in PostGIS. Our software library provides a free download of PostGIS 9.3.3 for Mac. Postgis-1.5.3.tar.gz is the most frequent filename for this application's installer. The most popular version among the program users is 1.5. The size of the latest downloadable installation package is 3.6 MB. The actual developer of this free software for Mac is OSGeo project.
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Introduction
Postgres is a powerful and free object-relational database management system. It has gained a lot of momentum since its introduction in 1995 because of its robustness and powerful features it ships with out of the box. In this article, we’ll walk through the process of installing a Postgres database on a Mac OS X machine and set it up for Ruby on Rails development.
Install Postgres Database with Homebrew
Homebrew is a popular package manager for OS X. To install Postgres with Homebrew, follow the steps below:
The first thing to do is install Homebrew if you haven’t done so already. Homebrew site has a simple command that you have to paste in your terminal to do so. Make sure to accept the command line developer tools installation if prompted.
Next, run brew install postgres to install Postgres. It might take a little while to compile and install. After compilation is done, it’ll give you some instructions to finish setting it up.
The database will be initialized during installation, so there isn’t a need to run initdb to finish installation of Postgres via Homebrew. Near the end of the installation instructions you should see mention of the command brew services.
If you don’t already have brew services installed. It may be installed withthis command:
And then you can run the following command to start Postgres as a background service:
Postgres will also restart automatically at login after you have run the command above.
Once Postgres has started, we can use brew services to stop it manually:
Or we can also use brew services to restart Postgres:
Now you should have PostgreSQL all set up.
Set Up Postgres to Work with a Rails App
First, install the pg gem:
Make sure you include the pg gem in your Gemfile, and run
Now, set up your config/database.yml file to point to your Posgres database.
Let’s create the development and test databases:
Now you can run pending migrations, if there are any.
PostGISis a powerful extension to the PostgreSQL database that adds support for geometry types and geospatial functions such as point, line, polygon, distance, area, union, intersection, etc.
PostGIS can handle large amounts of data. It is at the core of CartoDB and plays nicely with QGIS, Tilemill / Mapbox Studio and GDAL.
In this tutorial, we will see how to install PostGIS on Mac OS X. We’ll use Homebrew to install the required packages, so make sure you haveHomebrew installed on your system.
To install PostgreSQL open the terminal and run the following command:
You should see something like this:
By default the postgresql server will be installed under: /usr/local/var/postgres
Back in the terminal run:
Once again, homebrew will inform us about the progress:
To Start the server, we will use the command line utility pg_ctl. In the terminal, run:
Let’s check if postgres is running:
You should see something similar to:
If that’s a fresh installation, we need to initialize the database cluster:
Now we can create a new database. Let’s call it postgis_test
We’ll use the psql command line utility to connect to the database that we’ve just created:
If everything goes well, we should see the psql command prompt:
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To enable PostGIS, execute the following command:
/sony-pictures-store-download-manager-mac.html. If everything is OK, we should see:
Let’s check if we have PostGIS support:
To quit psql, type the following command:
By now, you should have a working postgresql server with PostGIS support enabled. Here are a few more commands that you can find useful:
Stop postgresql:
Start postgresql and use a log file
Check if postgres is installed:
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To drop the database run:
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Delete the PostgreSQL cluster:
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From within psql, we can use the following command to list all tables in our database: