What Do All Of These Words Mean? A DevOps Glossary

Transcript

1. 1.

   Noah Kantrowitz – @kantrn – coderanger.net What Do All Of

   These Words Mean? A DevOps Glossary
2. 2.

   Noah Ridecell Moving On

3. 3.

   Virtual Machine A server but running on "simulated" hardware

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   VM Image The content of the hard disk for a

   future VM
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   Vagrant A tool for making VMs on your laptop

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   Cloud Someone else maintains the physical hardware

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   AWS Amazon Web Services, 
 a cloud provider

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   EC2 Elastic Compute Cloud, AWS makes you VMs

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   S3 Simple Storage Service, AWS stores your files

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    CloudFormation Create and manage AWS stuff using YAML files instead

    of clicking in the web UI
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    Terraform Create and manage things on lots of clouds without

    clicking in the web UI
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    GCE Google Cloud Engine, AWS but by Google

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    Azure AWS but by Microsoft (yes, you can run Linux)

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    OpenStack AWS except you also run the physical hardware too

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    Container A process running with a bunch of security options

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    Container Image A tarball containing the files a container will

    see (and some metadata)
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    Docker A tool for creating container images and starting containers

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    Dockerfile A file containing instructions for creating a container image

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    Kubernetes Big, complex, awesome thing for managing lots of containers

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    Docker Swarm Big, complex, less awesome thing for managing lots

    of containers
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    Docker Compose Small, complex thing for managing a few containers

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    Orchestration Coordinating multiple containers together along with storage and networking

    they need
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    Resource Scheduling Working out which server to run a container

    on given multiple options
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    Serverless Tool(s) for making web apps/APIs with less boilerplate

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    CI Continuous Integration, except not that. Running tests automatically on

    every commit
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    CI Pipeline Dividing tests up into multiple groups and then

    chaining them together
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    Jenkins Popular (and often infuriating) CI tool

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    Travis Also a popular CI too, but you don't have

    to run it yourself and free for open source
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    CD Continuous Delivery or Deployment, if the tests pass then

    it gets deployed
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    Big Data Running queries against more data than will fit

    on one server (~>= 10TB)
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    Hadoop Popular suite of 
 tools for Big Data

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    Spark Hadoop component used for running the fancy queries

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    ETL Extract Transform Load, a common Big Data query pattern

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    InfoSec Information Security, keeping your data safe

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    Black Hat Using InfoSec for evil

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    White Hat Using InfoSec for good

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    Red Team White hat that 
 attacks systems 
 (with

    permission)
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    Blue Team White hat that 
 defends systems

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    Purple Team Both!

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    Hash One-way function, given the output you can't get the

    input
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    Encryption Reversible, but only 
 with the right key

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    Thank You Noah Kantrowitz @kantrn coderanger.net