Installing PostgreSQL because other tutorials talk too much
by Al Porotesano
PostgreSQL is an object-relational database management system.
You could spend a week refreshing PostgreSQL stuff with tutorials and youtube videos and work on it for a bit, but one of my annoyances is reading postgreSQL install instructions that are too wordy that isn’t understandably impressive.
This is one of those times where I’d like you to just read, type, and do by installing postgreSQL from your terminal.
Step 1. Add PostgreSQL apt repository
First, I add PostgreSQL repository in my system.
Ubuntu includes PostgreSQL by default. So that basically means you don’t have to use the line apt-get install postgresql-9.4 anywhere in this tutorial. But, if you’re using some other Linux distro like arch (on my older laptop, yes), you’d have to use that line later.
$ 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 -q https://www.postgresql.org/media/keys/ACCC4CF8.asc -O - sudo apt-key add -
Step 2. Install PostgreSQL
Second, Install the latest PostgreSQL server in my system using these commands.
$ sudo apt-get update
$ sudo apt-get install postgresql postgresql-contrib
Step 3. Connect to PostgreSQL
Finally, we connect our postgres server and practice talking to it later.
$ sudo su - postgres
$ psql
postgres-# conninfo
step 4. Disconnect postgresql
postgres-# \q
postgres@linux:~$ on your keyboard type Control & D * or apple-command & D if you roll on a mac *
postgres@linux:~$ logout
And that’s a wrap.
Good luck talking to PostgreSQL. That’s next.