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How to become an ungleich system engineer » History » Version 1

Nico Schottelius, 03/19/2019 08:17 AM

1 1 Nico Schottelius
h1. How to become an ungleich system engineer
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h2. Status
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This document is *IN PROGRESS*.
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h2. Introduction
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If you are interested in the skill set a typical engineer at ungleich needs to have or if you want to improve your skill set for being able to apply at as system engineer, this document is for you.
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h2. Capabilities
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h3. Operating System
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If you are fluent in either Linux or BSD, you should easily find your way. If you are not yet, we recommend:
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* Install your own computer with Ubuntu (any version)
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* Get used to it
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* Wipe Ubuntu, replace it with Arch Linux
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* Use it, break it
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* Switch to Devuan
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** Understand apt & friends
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* (optional) Use another machine and install Centos
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** Observe the differences to all other operating systems you tried before
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h3. Networking / IPv6
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You know how to separate networks, you are fluent in IPv6 (hint: man sipcalc) and you know some basics of routing ()
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Some questions to check your knowledge:
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* Why does the gateway has to be in the same network?
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* How do IPv6 hosts get their IP addresses?
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* Why is there an fe80:... default gateway in IPv6?
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h3. Ceph
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You can install, configure and maintain ceph clusters on IPv6 only networks.
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Learning:
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* Take 3 hosts (if you don't have 3 computers, you can get 3 affordable VMs at "IPv6OnlyHosting":https://ipv6onlyhosting.com
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Verify questions:
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* Why does ceph need managers?
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* How to move an OSD to another host?
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h3. Monitoring
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