Inspired by @levlaz, I& #39;m publicly committing to a 100DaysOfDevOpsChallenge starting today!

#100DaysOfDevOps https://twitter.com/levlaz/status/1257904694749323264?s=20">https://twitter.com/levlaz/st...

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1st 1-1 chat with a SE (Solutions Engineer) today! He rec& #39;d this primer on CI/CD
https://bit.ly/2xZ5rKz 

TIL

https://bit.ly/2xZ5rKz&q... class="Emoji" style="height:16px;" src=" https://abs.twimg.com/emoji/v2/... draggable="false" alt="💡" title="Electric light bulb" aria-label="Emoji: Electric light bulb">Deployments are decided by the sought-after, magical CTO co-founder

https://abs.twimg.com/emoji/v2/... draggable="false" alt="💡" title="Electric light bulb" aria-label="Emoji: Electric light bulb">Releases should be decided by "I& #39;ll handle the business side" people

#100DaysOfDevOps

A Primer: Continuous Integration and Continuous Delivery (CI/CD)

This post is part of an ongoing series from Catherine Paganini that focuses on explaining IT concepts for business leaders. Continuous integration and continuous delivery (CI/CD) is one of the...

https://bit.ly/2xZ5rKz

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Sales leader @LaunchDarkly rec& #39;d "The Phoenix Project" to me

Finished Ch. 5.

TIL

https://abs.twimg.com/emoji/v2/... draggable="false" alt="🧠" title="Brain" aria-label="Emoji: Brain"> Sucks to be in IT Ops cleaning up messes of Dev team

https://abs.twimg.com/emoji/v2/... draggable="false" alt="🧠" title="Brain" aria-label="Emoji: Brain"> This book is written like stressful reality tv show at 2x speed

#100DaysOfDevOps

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cont. "The Phoenix Project"

Finished Ch. 9

TIL

The https://abs.twimg.com/emoji/v2/... draggable="false" alt="3⃣" title="Keycap digit three" aria-label="Emoji: Keycap digit three">Ways

How to —

1. create a fast flow of work.

2. shorten and amplify feedback loops; fix quality at the source and avoid rework.

3. create a culture of experimentation & learning from failure.

#100DaysOfDevOps

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cont. "The Phoenix Project"

Finished Ch. 13

TIL

https://abs.twimg.com/emoji/v2/... draggable="false" alt="🥴" title="Woozy face" aria-label="Emoji: Woozy face"> One person should not hoard all the knowledge
https://abs.twimg.com/emoji/v2/... draggable="false" alt="✍️" title="Writing hand" aria-label="Emoji: Writing hand"> Careful documentation is necessary!
https://abs.twimg.com/emoji/v2/... draggable="false" alt="🚬" title="Smoking symbol" aria-label="Emoji: Smoking symbol"> smoke tests & circuit designers
https://abs.twimg.com/emoji/v2/... draggable="false" alt="🧸" title="Teddy bear" aria-label="Emoji: Teddy bear"> “November 1999 Thanksgiving Toys R Us” train-wreck
https://abs.twimg.com/emoji/v2/... draggable="false" alt="🤮" title="Face vomiting" aria-label="Emoji: Face vomiting"> FUBAR

#100DaysOfDevOps #100DaysOfX

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cont. "The Phoenix Project"

Finished Ch. 19

TIL

"It’s not the upfront capital that kills you, it’s the operations and maintenance on the back end.” Like free https://abs.twimg.com/emoji/v2/... draggable="false" alt="👶" title="Baby" aria-label="Emoji: Baby">https://abs.twimg.com/emoji/v2/... draggable="false" alt="🐶" title="Dog face" aria-label="Emoji: Dog face">

Taking needless work out of the system is > putting more work into the system.

#100DaysOfDevOps #100DaysOfX

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cont. "The Phoenix Project"

Finished Ch. 25

TIL

“What that graph says is that everyone needs idle time, or slack time. If no one has slack time, WIP gets stuck in the system. Or more specifically, stuck in queues, just waiting.”

#100DaysOfDevOps #100DaysOfX

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cont. "The Phoenix Project"

Finished Ch. 28

TIL

Always improve https://abs.twimg.com/emoji/v2/... draggable="false" alt="🌟" title="Glowing star" aria-label="Emoji: Glowing star">

“If you are not improving, entropy guarantees that you are actually getting worse, which ensures that there is no path to 0 errors, 0 work-related accidents, and 0 loss.”

#100DaysOfDevOps #100DaysOfX

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cont. "The Phoenix Project"

Finished Ch. 35

TIL

“In ten years, every COO will have come from IT. Any COO who doesn’t intimately understand the IT systems that actually run the business is just an empty suit, relying on someone else to do their job.” https://abs.twimg.com/emoji/v2/... draggable="false" alt="⚙️" title="Gear" aria-label="Emoji: Gear">

#100DaysOfDevOps

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cont. "The Phoenix Project"

Finished.

TIL

THE FOUR TYPES OF WORK

https://abs.twimg.com/emoji/v2/... draggable="false" alt="1⃣" title="Keycap digit one" aria-label="Emoji: Keycap digit one">Business projects
https://abs.twimg.com/emoji/v2/... draggable="false" alt="2⃣" title="Keycap digit two" aria-label="Emoji: Keycap digit two">Internal IT projects
https://abs.twimg.com/emoji/v2/... draggable="false" alt="3⃣" title="Keycap digit three" aria-label="Emoji: Keycap digit three">Changes
https://abs.twimg.com/emoji/v2/... draggable="false" alt="4⃣" title="Keycap digit four" aria-label="Emoji: Keycap digit four">Unplanned work or recovery work (most wasteful, comes at the expense of planned work that will need to be replanned)

#100DaysOfDevOps #100DaysOfX

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DevOps Tools

- Continuous Development (Git)
- Continuous Integration (Jenkins)
- Continuous Deployment
--> Virtualization & Containerization (Docker)
--> Configuration Management (Puppet)
- Continuous Testing (Selenium)
- Continuous Monitoring (Nagios)

#100DaysOfDevOps

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"While @LaunchDarkly makes testing in production possible, [they need] to test their own code as thoroughly as possible at the integration stage.

LaunchDarkly uses @CircleCI to safely manage https://abs.twimg.com/emoji/v2/... draggable="false" alt="🔵" title="Blue circle" aria-label="Emoji: Blue circle">circular dependencies while deploying hundreds of times daily."

#100DaysOfDevOps