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2 § § Senior DevOps Acceleration Engineer § DevOps Liquid Software § @tsuyoshi_miyake @tsuyo @tsuyo

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3 § Webinar Ø § § Q&A Ø Ø Chat

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Q&A 4

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8 - https://www.docker.com/resources/what-container Photo by Victoire Joncheray on Unsplash

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§ § § § 1 : 1 § VM § Dockerfile § 3rd 9

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§ § A B § § CPU 12

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§ § VM OS 13

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vs vs VM 14

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vs vs VM 15

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§ OS § Linux Namespaces § Linux Control Groups (cgroups) § § : runc rkt lmctfy 19

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Linux Namespaces § § Namespace § cgroups 20 - https://man7.org/linux/man-pages/man7/namespaces.7.html

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Linux Namespaces PID 21

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Linux Namespaces 22

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Linux Control Groups (cgroups) § § CPU I/O 23 source: https://www.kernel.org/doc/html/latest/admin-guide/cgroup-v1/cgroups.html

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Linux Control Groups (cgroups) 24

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25 namespaces cgroups ...

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26 VM zip

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§ § § API § : Docker containerd rkt 29

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Docker § § dockerd § docker § dockerd/containerd/runc § dockerd (Docker Engine) Dockerfile 30 Source: https://www.docker.com/blog/docker-engine-1-11-runc/

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1979 2000 chroot FreeBSD Jails IP 31 2001 Linux VServer 2017 Kubernetes to CNCF 2004 Solaris Containers Solaris Resource Manager + Zones 2008 Process Containers Google cgroups 2011 LXC (LinuX Containers) Linux 2013 Warden CloudFoundry 2013 LMCTFY Let Me Contain That For You: Google OSS libcontainer 2015 2016 OCI 2016 Container Security DevSecOps Containerd to CNCF 2006 Docker

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§ § OS OS (Kernel) § § § 34

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Q&A

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THANK YOU!