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Tim O'Hearn

Tim O'Hearn

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DevOps

Nautomation: Pumping the Brakes on Automation

Tim July 21, 2018 DevOps No Comments
Nautomation: Pumping the Brakes on Automation

This post has nothing to do with the sea I’m really into automation. I’m of the opinion that the media spends so much time highlighting hypothetical Artificial Intelligence scenarios instead of the concept of automation because the sci-fi scenes that

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Cracking the DevOps Interview

Tim June 23, 2018 DevOps, Soft Skills No Comments
Cracking the DevOps Interview

In January 2018, I thought that maybe it was time to start looking for a new job. My new title at work was DevOps Engineer and before that, I was a Software Engineer. I had given myself a Biz Dev at my

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The Static Code Analysis Conundrum

Tim May 11, 2018 DevOps No Comments
The Static Code Analysis Conundrum

Static program analysis is a code quality inspection that is performed without the codebase needing to be executed. It is most commonly used to check code’s conformance to standards and detect errors. Because the program under test does not need

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UNIX and Linux System Administration Handbook Review

Tim April 25, 2018 Books, DevOps, Tech, Weekly Review No Comments
UNIX and Linux System Administration Handbook Review

UNIX and Linux System Administration Handbook by Evi Nemeth, Garth Snyder, Trent R. Hein, and Ben Whaley Rating: ★★★★★ Date Finished: April 25th, 2018 Reading Time: Several months; still use for reference I read this book cover to cover and

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That One Time I Didn’t Cache Bust

Tim April 22, 2018 DevOps No Comments
That One Time I Didn’t Cache Bust

A long time ago, I took over a web app that was one of the most critical parts of our technological risk management platform–the trade monitoring UI. I made changes on a rather dilated release cycle, usually pushing non-critical enhancements

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Notes on Docker in Practice Part 2

Tim April 15, 2018 DevOps No Comments
Notes on Docker in Practice Part 2

What have I been doing in the week since I wrote part one? Docker. A healthy amount of it at that. As much as I’d love to proudly shelve Docker in Practice between all the other books in my apartment

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Notes on Docker in Practice Part 1

Tim April 9, 2018 DevOps No Comments
Notes on Docker in Practice Part 1

A rare thing happened to me on Friday–I ran out of work. I didn’t run out in the sense that I sprinted to the elevator and down Jackson Boulevard. That happens with some frequency. I ran out of work in

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Docker in Practice Review

Tim April 6, 2018 Books, DevOps, Tech, Weekly Review No Comments
Docker in Practice Review

Docker in Practice by Ian Miell and Aidan Hobson Sayers Rating: ★★★★★ Date Finished: April 6th, 2018 Reading Time: An evening A Docker book published in May 2016 comprised of four sections and one hundred and one “techniques,” or real-world

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Misunderstanding Microservices

Tim April 3, 2018 DevOps No Comments
Misunderstanding Microservices

I’m Tim O’Hearn and I like microservices. My preference isn’t a proclamation that the tradeoffs between microservices and monolithic web applications always favor the former, just that I’ve had a better experience implementing microservices for the problems I’ve had to

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Using Vegeta to Load Test Microservices and Autoscaling Policies

Tim March 26, 2018 DevOps No Comments
Using Vegeta to Load Test Microservices and Autoscaling Policies

Over the weekend I found myself on a plane from Zurich to Chicago. While in Switzerland, I became aware of an issue related to a microservice I maintained in which it would stop serving responses and need to be restarted.

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Recent Posts

  • Skip the Lead-in to Alpe du Zwift February 17, 2022
  • Best Pull-Up Bar for Wide Doorways January 30, 2022
  • I Got My Yu-Gi-Oh! Cards Graded! January 20, 2022
  • Best At-Home Gym Equipment for Runners January 20, 2022
  • I Sent My Childhood Pokemon Collection to PSA January 20, 2022
  • Blueprint for Newberry Park’s Perfect Track Season December 21, 2021
  • Fall 2021 NCAA DI XC Championship Recap November 25, 2021
  • Best Knife to Carry While Running November 5, 2021
  • How to Prepare for PoCV11 November 3, 2021
  • Is the 1-of-1266 Pontiac Solstice Coupe Actually Collectible? September 6, 2021

My Most Recent Books

Fortune's Formula: The Untold Story of the Scientific Betting System That Beat the Casinos and Wall Street
liked it
Fortune's Formula: The Untold Story of the Scientific Betting System That Beat the Casinos and Wall Street
by William Poundstone
Wall Street and the Rise of Hitler
really liked it
Wall Street and the Rise of Hitler
by Antony C. Sutton
My Life as a Quant: Reflections on Physics and Finance
it was ok
My Life as a Quant: Reflections on Physics and Finance
by Emanuel Derman
Slaughterhouse-Five
it was amazing
Slaughterhouse-Five
by Kurt Vonnegut
The Billionaire's Vinegar: The Mystery of the World's Most Expensive Bottle of Wine
liked it
The Billionaire's Vinegar: The Mystery of the World's Most Expensive Bottle of Wine
by Benjamin Wallace
Pulphead
liked it
Pulphead
by John Jeremiah Sullivan
The Bogleheads' Guide to Investing
really liked it
The Bogleheads' Guide to Investing
by Taylor Larimore

goodreads.com

Archives

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  • December 2020 (2)
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  • December 2019 (2)
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  • February 2019 (5)
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  • November 2018 (2)
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  • January 2018 (7)
  • December 2017 (9)
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  • October 2017 (6)
  • September 2017 (3)
  • July 2017 (3)
  • May 2017 (2)
  • April 2017 (1)
  • March 2017 (1)
  • December 2016 (2)
  • November 2016 (2)
  • October 2016 (2)
  • September 2016 (3)
  • August 2016 (1)
  • July 2016 (2)
  • June 2016 (7)
  • May 2016 (2)
  • April 2016 (1)
  • December 2015 (1)
  • April 2015 (1)
  • December 2013 (1)

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