I have watched Raspberry Pi projects and been fascinated with what you could do with a Pi since I listened to Ron Evans from the Hybrid Group http://hybridgroup.com/ talk about teaching kids ruby with a raspberry Pi at GoGaRuCo in 2011. And even with the ridiculously low price point of…

There is no shortage of backup tools available that take care of backing up your data and storing it securely online or in an offsite location. I use backblaze https://secure.backblaze.com/r/00gjwd for my personal computers. Even with that I think it is important, and sometimes useful, to understand how that mechanism…

I find myself needing to do this all the time and have to go search for a good artcile to remember all the commands. I often go back to this https://www.digitalocean.com/community/tutorials/how to add swap on ubuntu 14 04 article to help me remember how to do it. For the sake…

When doing multiple imports and deletions of development data I got into a state where I couldn't insert into ActiveRecord because the id was already taken. To fix that I used the following code to reset the pk sequence on all of my tables.