I ran into a problem in which I had a Kerberized CDH cluster and couldn’t run any hadoop commands from the command line, even with a valid Kerberos ticket.
So with a valid ticket, this would fail:
hadoop fs -ls /
WARN ipc.Client: Exception encountered while connecting to the server : javax.security.sasl.SaslException: GSS […]
DevOps Day is this week! For the presentation I have a brand-y new Ansible playbook up on Github that lets anyone roll their very own Minecraft server on Digital Ocean.
*Even Later […]
So many things, too many things
Too little time
I could just forget about it
No one needs this
Someone else could do this better and probably will
This has probably already been done anyways
This doesn’t matter
I don’t matter
Why bother anyways
Why waste my time
I’ll regret […]
I am blessed with a pretty awesome family, and as part of that awesomeness it just so happens that my sister’s two kids have a passion for Minecraft. Her oldest, Cyrus, is 9 years old and had on his own already gotten into the more technical aspects available in the PC version of Minecraft. When I […]
You and I have a problem on our hands.
Somewhere out there in my country and in yours, sleeping in the darkness are young, impressionable children whose parents will teach them that what Donald Trump has said is not only okay, but better than what others are saying. As a working-class adult in 2015, I individually and collectively share […]
In May I switched companies and tech fields – I am now working as a DevOps Engineer at Teradata. During my last year at Axeda I had the opportunity to work on projects dealing with Amazon Web Services and EC2, and I became fascinated with the idea of managing infrastructure […]
Back in May we ran an Internet of Things Developer Day at the Axeda industry event Connexion with Intel Galileos and Raspberry Pis. A Developer Day is a hands-on workshop where developers get a guided experience with Axeda coaches while connecting microcontrollers to sensors and sending up data. It just so […]
Hackathons are short day or days-long events in which hackers prototype a technical solution to a business problem and then pitch and demo that solution to an audience. I’ve been a coach and organizer for three Hackathons and I’ve learned a few rules of thumb that make Hackathons more fun and valuable for the participants.
I’m on the Board of Directors for a nonprofit called Free Geek Providence based in RI. Free Geek Providence provides a call to refurbish, reuse and recycle older computers. The organization also promotes the use of Linux, an open source operating system, as well as the open source ecosystem […]
The AT&T Hackathon in January was a blast, and my coverage of it as an M2M coach for the Arduino hardware gained some attention.
Check out the O’Reilly post at http://blog.makezine.com/2013/01/30/results-from-arduino-hackathon-at-atts-2013-developer-summit and the original at http://developer.axeda.com/community/blog/9-connected-hacks-rocked-mobile-app-space-2013