using screen
Use screen when you want to manage multiple sessions in a terminal. Install it on Ubuntu
sudo apt-get install screen
There are a lot of options for screen. I won't go into them. I use screen most often when I shell into a remote server and want to hop i...
Written by Sean Behan on 06/17/2012
Deploy Sintra App on Ubuntu Using Apache2 and Phusion Passenger Module
Check it out http://sinatra.seanbehan.com/
This assumes Apache2 and the Phusion Passenger module have already been installed. If not you can get up to speed w/ this resource http://seanbehan.com/ruby-on-rails/new-ubuntu-slice-apache-mysql-php-ruby-on-rail...
Written by Sean Behan on 06/17/2012
Change default ssh port number on Ubuntu
Login as the root user or as a user that can execute sudo commands.
#open this file for editing...
vim /etc/ssh/sshd_config
Find the line that reads
Port 22
Change this to an different and an available port number...
Port 8000
Next reload ssh
/etc/...
Written by Sean Behan on 06/17/2012
Descending Sort By in Model For Active Record Hash on Created_at attribute
If you have a couple collections from the database and you want to sort it without the help of Active Record, take a look at the sort_by method on Array type. I've used this before when I have a couple of collections which are slightly different but I nee...
Written by Sean Behan on 06/17/2012
How to Make Cross Database Queries with Postgres and DBLink Extension
Here are a few snippets for cross database queries. It's important to note that you must be explicit in enumerating the columns and types you are querying. Otherwise, things will probably not work as expected.
-- enable extension
create extension db...
Written by Sean Behan on 03/18/2017