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https://github.com/cncf/foundation/blob/master/code-of-conduct-languages/es.md

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The POSIX world

Kubernetes Guatemala // 2022 - 11 - 16

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About the speaker

Hi! I'm Jossemar Cordero

@jossemargt

  • Maker
  • I do random stuff just for sake of learning
    • Novice radio presenter
    • Amateur stand up comedian
  • Lead Engineer
    • Engineering manager
    • Developer
    • DevEx Engineer
    • Build Engineer
    • All rounder lvl 45*
    • Infrastructure engineer

* JK, attackers are the new meta

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What should I expect today?

  • Brief theory
    • About the title
    • Quick recap
    • More Concepts
  • Show me the code!

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But first!

  • Bash shell
  • Any system that supports it:
    • GNU Linux
    • Windows + WSL
    • MacOS + GNU Coreutils

Prerequisites

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Trust the source Luke!

https://github.com/k8s-gt

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About the title

  • In the first part we had a brief developer friendly introduction
  • Now, we are entering into another world with new abstractions

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In the last episode

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How can I tell the OS what to do at a very base level?

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The answer is simple…

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The POSIX shell powers

  • Scripting language
    • Variables
    • Expressions
    • Control flow
    • Iterations
  • Built-in utils
  • Stream redirections

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[Skip]

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Workshop

Time!

al taller

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$ git clone https://github.com/k8s-gt/linux-cli-essentials.git

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About those pending slides

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How we do things in the *nix world

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An *nix process will

Have a parent

Return a status code when exit

Have values provided by the Environment

Have values when invoked (params)

Have

IN / OUT data streams

Access to other data streams

Handle signals

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Data Streams?

Author: Mallory Haack https://dribbble.com/malhaack

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Data Streams

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Back to the code

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Grazie

Dank je

ありがとう

Thank You

Maltyox Chawe

Gracias Totales

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