Hi

I'm Sean.

I write about #software, #SaaS, #consulting and #mobile app development

I code in #Python, #PHP, #Swift, #Ruby, #ReactJS and #Postgres


Random Blog Posts See more posts

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
Add Users to a Group on Ubuntu
To create a new user on Ubuntu (Heron8) adduser johndoe To create a new group groupadd barleyfarmers Add johndoe to the barleyfarmers group adduser johndoe barleyfarmers The adduser command, when you're first adding the new user accou...
Written by Sean Behan on 03/02/2017
How Many Gigs of RAM Are On My Server?
How much memory is on my linux server? Run the free command free -g total used free shared buffers cached Mem: 2 1 0 0 0 1 -/+ buffers/cache: 0 1 Swap: ...
Written by Sean Behan on 06/17/2012
Quick Syntax to Pipe an SQL Query Directly to a file
Here is a quick way to put the contents of a database table into a simple text file. This could be handy if for example, you just want to grab some emails and pop the results into a simple csv file. Your sql statement can be as creative as sql allows. All...
Written by Sean Behan on 06/17/2012
A Regular Expression to Generate Dash Separated Slugs AKA Pretty URLs
This regular expression matches non alphanumeric characters in a string. r = /[^a-z0-9]{1,}/i You can use it to create URL friendly slugs. slug = "hello world!".gsub(/[^a-z0-9]{1,}/i, '-').downcase # => hello-world In combination wit...
Written by Sean Behan on 08/22/2013