LinuxKit

@avideitcher https://www.atomicinc.com
LinuxKit
Or: Why Composition Isn’t Just for Music

InfoQ.com: News & Community Site
Watch the video with slide
synchronization on InfoQ.com!
https://www.infoq.com/presentations/
linuxkit-arch
• Over 1,000,000 software developers, architects and CTOs read the site world-
wide every month
• 250,000 senior developers subscribe to our weekly newsletter
• Published in 4 languages (English, Chinese, Japanese and Brazilian
Portuguese)
• Post content from our QCon conferences
• 2 dedicated podcast channels: The InfoQ Podcast, with a focus on
Architecture and The Engineering Culture Podcast, with a focus on building
• 96 deep dives on innovative topics packed as downloadable emags and
minibooks
• Over 40 new content items per week

Purpose of QCon
- to empower software development by facilitating the spread of
knowledge and innovation
Strategy
- practitioner-driven conference designed for YOU: influencers of
change and innovation in your teams
- speakers and topics driving the evolution and innovation
- connecting and catalyzing the influencers and innovators
Highlights
- attended by more than 12,000 delegates since 2007
- held in 9 cities worldwide
Presented at QCon London
www.qconlondon.com

Goal

Survey 1

Survey 1.1

Survey 1.END

Little Converter That Could

Leverage?

Leverage

Leverage
SaaS

Leverage
SaaS Appliance

Problems

Problems
• How do I protect 20 years of engineering from 2 weeks of reverse
engineering in an untrusted environment?

Problems
• How do I protect 20 years of engineering from 2 weeks of reverse
engineering in an untrusted environment?
• How do I minimize overhead so the deployment lasts?

You are not special!
Secure my operating environment Optimize my operating environment

Who Am I?

Who Am I?
Life in Tech Business

Who Am I?
Mission-Critical IT
10 yrs

Who Am I?
Mission-Critical IT Consulting
10 yrs 12+ yrs

Who Am I?
10 yrs 12+ yrs
S t a r t u p s

Who Am I?
10 yrs 12+ yrs
S t a r t u p s
Avid (if not very good) ice hockey player

Who Am I?
10 yrs 12+ yrs
S t a r t u p s
Avid (if not very good) ice hockey player
Long-time lover of great engineering… when used to make a real
difference

Evolution

Evolution
Manual

Evolution
LinuxKit
Manual

LinuxKit!

Why?

LinuxKit

LinuxKit
Runnable

LinuxKit
Runnable Disposable

LinuxKit
Runnable Disposable
Immutable

LinuxKit - So What?

LinuxKit - So What?
Size

LinuxKit - So What?
Size
Start Time

LinuxKit - So What?
Size
Start Time
Cycle Time

LinuxKit - So What?
Size
Start Time
Debuggability Cycle Time

LinuxKit - So What?
Size
Start Time
Performance

LinuxKit - So What?
Size
Start Time
PerformanceSecurity

Put It In Its Place

Put It In Its Place
LinuxKit

Use It

Formats

Time Keeps on Slipping…

Demo Time!

Demo Time!
Nothing to see here..

Demo Time!
it’s all in the terminal…

Demo Time!
it’s all in the terminal…
move on now!

Under the Hood
• Engine systems

• Components

• Driving controls

• Manufacturing

Under The Hood:
Engine Systems

Under The Hood:
Engine Systems
kernel

Under The Hood:
Engine Systems
kernel
init

Under The Hood:
Engine Systems
kernel
init
runc
• onboot[0]

.

.

• onboot[n]
sequential
}

Under The Hood:
Engine Systems
kernel
init
runc
• onboot[0]

.

.

• onboot[n]
sequential
}
services[0] services[1] ... services[n] Parallel}

Under The Hood:
Engine Systems
kernel
init
runc
• onboot[0]

.

.

• onboot[n]
sequential
}
services[0] services[1] ... services[n] Parallel}runc
• onshutdown[0]

.

.

• onshutdown[n]
sequential
}

shutdownservicesonbootinitkernel
Under The Hood:
Components

Controls
/boot/kernel
/

Under The Hood:
Manufacturing

Under The Hood:
Manufacturing
Extract Location

Under The Hood:
Manufacturing
/boot/kernel
/
Extract Location

Under The Hood:
Manufacturing
/boot/kernel
/
Extract Location
/

Under The Hood:
Manufacturing
/boot/kernel
/
/containers/onboot/<nnn>-<name>/
Extract Location
/

Under The Hood:
Manufacturing
/boot/kernel
/
/containers/onshutdown/<nnn>-<name>/
Extract Location
/

Under The Hood:
Manufacturing
/boot/kernel
/
/containers/services/<name>/
Extract Location
/

Under The Hood:
Manufacturing
/boot/kernel
/
/containers/services/<name>/
Extract Location
/
tar

Under The Hood:
Finishing

Under The Hood:
Finishing
tar

Under The Hood:
Finishing
tar
native

Under The Hood:
Finishing
tar
iso
bios
eﬁ
native

Under The Hood:
Finishing
tar
iso
bios
eﬁ
img
bios
eﬁ
native

Under The Hood:
Finishing
tar
vhd
iso
bios
eﬁ
img
bios
eﬁ
native

Under The Hood:
Finishing
tar
vhd
iso
bios
eﬁ
img
bios
eﬁ
tar
native

Under The Hood:
Finishing
tar
vhd
squashfsiso
bios
eﬁ
img
bios
eﬁ
tar
native

Under The Hood:
Finishing
tar
vhd
squashfs
initrd
iso
bios
eﬁ
img
bios
eﬁ
tar
native

Under The Hood:
Finishing
tar
vhd
squashfs
initrd
qcow2
iso
bios
eﬁ
img
bios
eﬁ
tar
native

Under The Hood:
Finishing
tar
vhd
squashfs
initrd
qcow2
vmdk
iso
bios
eﬁ
img
bios
eﬁ
tar
native

Under The Hood:
Finishing
tar
vhd
squashfs
initrd
qcow2
vmdk
iso
bios
eﬁ
img
bios
eﬁ
tar
native
docker

Under The Hood:
Finishing
tar
vhd
squashfs
initrd
qcow2
vmdk
iso
bios
eﬁ
img
bios
eﬁ
tar
native
linuxkit
docker

Under The Hood:
Finishing
tar
vhd
squashfs
initrd
qcow2
vmdk
iso
bios
eﬁ
img
bios
eﬁ
tar
native
linuxkit
docker
https://github.com/diskfs

Future of LinuxKit

Future of LinuxKit
• Eliminate execs / docker / linuxkit

Future of LinuxKit
• Greater service composition

Future of LinuxKit
• Direct UEFI/BIOS boot

Future of LinuxKit
• Increased tpm/tpm2 support

Future of LinuxKit
• Remove alpine entirely from base image

Future of LinuxKit
• Remove alpine entirely from base image
• Compose ____ ?

Summary

Summary
Operating Systems can (should) be like applications:

Summary
minimal

Summary
minimal
targeted

Summary
minimal
targeted
composed

Summary
minimal
targeted
composed
immutable

Summary
minimal
targeted
composed
immutable
CI/CD pipelined

Summary
minimal
targeted
composed
immutable
CI/CD pipelined
Go forth and build runnable disposable, immutable images!

Questions and assistance:
@avideitcher avi@atomicinc.com

Watch the video with slide
synchronization on InfoQ.com!
https://www.infoq.com/presentations/
linuxkit-arch

LinuxKit

Recommended

Recommended

More Related Content

Similar to LinuxKit

Similar to LinuxKit (20)

More from C4Media

More from C4Media (20)

Recently uploaded

Recently uploaded (20)

LinuxKit