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Moving Fast And Slow At The Same
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1 .Moving Fast and Slow at the Same Time: Lifecycle Commitments Across Major OS Releases Presented by Adam Samalik
2 .
3 . Agenda 1. Benefits of Linux Distributions 2. Fedora Modularity (+ demo) 3. Modularity and containers (+ demo) 4. Questions & answers
4 . Benefits of Linux distributions
5 . Packaging makes software integrated, tested, updated, and easily installable.
6 . Lifecycle brings an over-time stability to the diverse open source world.
7 . Upstream lifecycle diversity Library foo better Library foo Library foo even better Language runtime B Language runtime A Application v2 Application v1 maintenance timeline
8 . Linux distribution lifecycle Library foo better Library foo Language runtime B Language runtime A Application v2 Application v1 maintenance timeline
9 . Linux distribution lifecycle Library foo better Fedora Language 28 B runtime Application v2 Library foo Fedora Language 27 A runtime Application v1 maintenance timeline
10 .Lifecycles of different Linux distributions CentOS Fedora Arch Linux maintenance timeline
11 . Lifecycle differences are very useful, because different people have different needs
12 . Lifecycle quotes Quote 1: “Fedora is too fast for me.” Quote 2: “Fedora is too slow for me.”
13 . Can Fedora be fast and slow at the same time? “Fedora is too fast for me.” “Fedora is too slow for me.”
14 .Fedora Modularity
15 . Packages are the core building blocks of Linux distributions.
16 . Modules are logical groups of packages representing an application, or a language runtime.
17 .Module benefits: • multiple streams • lifecycle independence • use case-driven installation
18 . Modules in Fedora 1) Traditional releases before Modularity Fedora 26 Fedora 27 nodejs-6.rpm nodejs-8.rpm
19 . Modules in Fedora 2) Fedora 28 introduced Modularity Fedora 28 nodejs-6.rpm nodejs-6.rpm nodejs-8.rpm nodejs-8.rpm nodejs-10.rpm nodejs-10.rpm Fedora 26 Fedora 27 nodejs-6.rpm nodejs-8.rpm nodejs-8.rpm
20 . Modules in Fedora 3) Modules have multiple streams Fedora 28 nodejs-6.rpm nodejs-6.rpm nodejs-8.rpm nodejs-8.rpm nodejs-10.rpm nodejs-10.rpm nodejs-8.rpm
21 . Modules in Fedora 4) Modules have independent lifecycles Fedora 28 Fedora 29 nodejs-6.rpm nodejs-6.rpm nodejs-8.rpm nodejs-8.rpm nodejs-10.rpm nodejs-10.rpm nodejs-8.rpm nodejs-10.rpm
22 . Thanks to modules, your system can move fast and slow at the same time.
23 . Thanks to modules, your system can move fast and slow at the same time. Packaging + lifecycle benefits included.
24 . Defaults mean that you can choose a specific version only when you want to.
25 . Updates will respect your choice and won’t upgrade to a different stream.
26 .$ modularity_demo
27 . Modularity and Containers
28 . Containers make applications more portable by containing their dependencies.
29 . Containers are so simple, it is sometimes tempting to just find one and run it.