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WSL2:AlmaLinux 8.5にdockerを用意した時の記録

2022/04/09に公開

dockerって何?美味いの?((((;゚Д゚))))ガクガクブルブル
日進月歩ですな、コンテナの知識や理解がないと若者ら失笑されそうなんでとりあえず触っておこっと。

手順

WSL2:AlmaLinux起動

リポジトリ追加

  • デフォでは、そのままdnfっても駄目だそうで、dockerのリポジトリが必要
$ sudo dnf config-manager \
add-repo>     --add-repo \
>     https://download.docker.com/linux/centos/docker-ce.repo
Adding repo from: https://download.docker.com/linux/centos/docker-ce.repo

Dockerのインストール

  • 以下3つのパッケージをインスコ
    • docker-ce:デーモン本体
    • docker-ce-cli:操作するためのコマンド達
    • containerd.io:ランタイム(プログラムとかを動かす時に必要な部品)
$ sudo dnf -y install docker-ce docker-ce-cli containerd.io
AlmaLinux 8 - BaseOS                                                                    7.3 MB/s | 7.0 MB     00:00
AlmaLinux 8 - AppStream                                                                 4.5 MB/s | 9.8 MB     00:02
AlmaLinux 8 - Extras                                                                     15 kB/s |  12 kB     00:00
Docker CE Stable - x86_64                                                               221 kB/s |  23 kB     00:00
Dependencies resolved.
=============================================================================================================================================== Package                                Architecture     Version                                              Repository                  Size
===============================================================================================================================================Installing:
 containerd.io                          x86_64           1.5.11-3.1.el8                                       docker-ce-stable            29 M
 docker-ce                              x86_64           3:20.10.14-3.el8                                     docker-ce-stable            22 M
 docker-ce-cli                          x86_64           1:20.10.14-3.el8                                     docker-ce-stable            30 M
Installing dependencies:
 checkpolicy                            x86_64           2.9-1.el8                                            baseos                     347 k
 container-selinux                      noarch           2:2.173.0-1.module_el8.5.0+2613+1b78b731             appstream                   56 k
 docker-ce-rootless-extras              x86_64           20.10.14-3.el8                                       docker-ce-stable           4.6 M
 docker-scan-plugin                     x86_64           0.17.0-3.el8                                         docker-ce-stable           3.8 M
 fuse-common                            x86_64           3.2.1-12.el8                                         baseos                      21 k
 fuse-overlayfs                         x86_64           1.8-1.module_el8.5.0+2613+1b78b731                   appstream                   72 k
 fuse3                                  x86_64           3.2.1-12.el8                                         baseos                      50 k
 fuse3-libs                             x86_64           3.2.1-12.el8                                         baseos                      94 k
 iptables                               x86_64           1.8.4-20.el8                                         baseos                     583 k
 kmod                                   x86_64           25-18.el8                                            baseos                     125 k
 libcgroup                              x86_64           0.41-19.el8                                          baseos                      69 k
 libmnl                                 x86_64           1.0.4-6.el8                                          baseos                      30 k
 libnetfilter_conntrack                 x86_64           1.0.6-5.el8                                          baseos                      65 k
 libnfnetlink                           x86_64           1.0.1-13.el8                                         baseos                      33 k
 libnftnl                               x86_64           1.1.5-4.el8                                          baseos                      83 k
 libselinux-utils                       x86_64           2.9-5.el8                                            baseos                     242 k
 libslirp                               x86_64           4.4.0-1.module_el8.5.0+2613+1b78b731                 appstream                   69 k
 policycoreutils                        x86_64           2.9-16.el8                                           baseos                     372 k
 policycoreutils-python-utils           noarch           2.9-16.el8                                           baseos                     251 k
 python3-audit                          x86_64           3.0-0.17.20191104git1c2f876.el8                      baseos                      86 k
 python3-libselinux                     x86_64           2.9-5.el8                                            baseos                     282 k
 python3-libsemanage                    x86_64           2.9-6.el8                                            baseos                     126 k
 python3-policycoreutils                noarch           2.9-16.el8                                           baseos                     2.2 M
 python3-setools                        x86_64           4.3.0-2.el8                                          baseos                     625 k
 rpm-plugin-selinux                     x86_64           4.14.3-19.el8                                        baseos                      76 k
 selinux-policy                         noarch           3.14.3-80.el8_5.2                                    baseos                     635 k
 selinux-policy-targeted                noarch           3.14.3-80.el8_5.2                                    baseos                      15 M
 slirp4netns                            x86_64           1.1.8-1.module_el8.5.0+2613+1b78b731                 appstream                   50 k
Enabling module streams:
 container-tools                                         rhel8

Transaction Summary
===============================================================================================================================================Install  31 Packages

Total download size: 111 M
Installed size: 439 M
Downloading Packages:
AlmaLinux 8 - BaseOS                                       195% [============================================================================================(1/31): fuse-common-3.2.1-12.el8.x86_64.rpm                                                                                  752 kB/s |  21 kB     00:00
(2/31): checkpolicy-2.9-1.el8.x86_64.rpm                                                                                     6.5 MB/s | 347 kB     00:00
(3/31): fuse3-libs-3.2.1-12.el8.x86_64.rpm                                                                                   3.1 MB/s |  94 kB     00:00
(4/31): fuse3-3.2.1-12.el8.x86_64.rpm                                                                                        817 kB/s |  50 kB     00:00
(5/31): iptables-1.8.4-20.el8.x86_64.rpm                                                                                      20 MB/s | 583 kB     00:00
(6/31): kmod-25-18.el8.x86_64.rpm                                                                                            4.7 MB/s | 125 kB     00:00
(7/31): libmnl-1.0.4-6.el8.x86_64.rpm                                                                                        2.9 MB/s |  30 kB     00:00
(8/31): libcgroup-0.41-19.el8.x86_64.rpm                                                                                     1.8 MB/s |  69 kB     00:00
(9/31): libnetfilter_conntrack-1.0.6-5.el8.x86_64.rpm                                                                        2.9 MB/s |  65 kB     00:00
(10/31): libnfnetlink-1.0.1-13.el8.x86_64.rpm                                                                                1.2 MB/s |  33 kB     00:00
(11/31): libselinux-utils-2.9-5.el8.x86_64.rpm                                                                                16 MB/s | 242 kB     00:00
(12/31): libnftnl-1.1.5-4.el8.x86_64.rpm                                                                                     3.2 MB/s |  83 kB     00:00
(13/31): policycoreutils-python-utils-2.9-16.el8.noarch.rpm                                                                   16 MB/s | 251 kB     00:00
(14/31): python3-audit-3.0-0.17.20191104git1c2f876.el8.x86_64.rpm                                                            6.3 MB/s |  86 kB     00:00
(15/31): policycoreutils-2.9-16.el8.x86_64.rpm                                                                                11 MB/s | 372 kB     00:00
(16/31): python3-libsemanage-2.9-6.el8.x86_64.rpm                                                                            9.0 MB/s | 126 kB     00:00
(17/31): python3-libselinux-2.9-5.el8.x86_64.rpm                                                                              12 MB/s | 282 kB     00:00
(18/31): python3-setools-4.3.0-2.el8.x86_64.rpm                                                                               19 MB/s | 625 kB     00:00
(19/31): rpm-plugin-selinux-4.14.3-19.el8.x86_64.rpm                                                                         2.6 MB/s |  76 kB     00:00
(20/31): selinux-policy-3.14.3-80.el8_5.2.noarch.rpm                                                                          14 MB/s | 635 kB     00:00
(21/31): container-selinux-2.173.0-1.module_el8.5.0+2613+1b78b731.noarch.rpm                                                 3.6 MB/s |  56 kB     00:00
(22/31): python3-policycoreutils-2.9-16.el8.noarch.rpm                                                                        20 MB/s | 2.2 MB     00:00
(23/31): fuse-overlayfs-1.8-1.module_el8.5.0+2613+1b78b731.x86_64.rpm                                                        4.0 MB/s |  72 kB     00:00
(24/31): libslirp-4.4.0-1.module_el8.5.0+2613+1b78b731.x86_64.rpm                                                            6.0 MB/s |  69 kB     00:00
(25/31): slirp4netns-1.1.8-1.module_el8.5.0+2613+1b78b731.x86_64.rpm                                                         3.6 MB/s |  50 kB     00:00
(26/31): docker-ce-20.10.14-3.el8.x86_64.rpm                                                                                  16 MB/s |  22 MB     00:01
(27/31): containerd.io-1.5.11-3.1.el8.x86_64.rpm                                                                              20 MB/s |  29 MB     00:01
(28/31): docker-ce-rootless-extras-20.10.14-3.el8.x86_64.rpm                                                                  24 MB/s | 4.6 MB     00:00
(29/31): docker-scan-plugin-0.17.0-3.el8.x86_64.rpm                                                                           19 MB/s | 3.8 MB     00:00
(30/31): selinux-policy-targeted-3.14.3-80.el8_5.2.noarch.rpm                                                                7.2 MB/s |  15 MB     00:02
(31/31): docker-ce-cli-20.10.14-3.el8.x86_64.rpm                                                                              31 MB/s |  30 MB     00:00
-------------------------------------------------------------------------------------------------------------------------------------------------------------
Total                                                                                                                         28 MB/s | 111 MB     00:04
Docker CE Stable - x86_64                                                                                                     58 kB/s | 1.6 kB     00:00
Importing GPG key 0x621E9F35:
 Userid     : "Docker Release (CE rpm) <docker@docker.com>"
 Fingerprint: 060A 61C5 1B55 8A7F 742B 77AA C52F EB6B 621E 9F35
 From       : https://download.docker.com/linux/centos/gpg
Key imported successfully
Running transaction check
Transaction check succeeded.
Running transaction test
Transaction test succeeded.
Running transaction
  Preparing        :                                                                                                                                     1/1
  Installing       : python3-libselinux-2.9-5.el8.x86_64                                                                                                1/31
  Installing       : libmnl-1.0.4-6.el8.x86_64                                                                                                          2/31
  Running scriptlet: libmnl-1.0.4-6.el8.x86_64                                                                                                          2/31
/sbin/ldconfig: /usr/lib/wsl/lib/libcuda.so.1 is not a symbolic link


  Installing       : docker-scan-plugin-0.17.0-3.el8.x86_64                                                                                             3/31
  Running scriptlet: docker-scan-plugin-0.17.0-3.el8.x86_64                                                                                             3/31
  Installing       : docker-ce-cli-1:20.10.14-3.el8.x86_64                                                                                              4/31
  Running scriptlet: docker-ce-cli-1:20.10.14-3.el8.x86_64                                                                                              4/31
  Installing       : libselinux-utils-2.9-5.el8.x86_64                                                                                                  5/31
  Installing       : policycoreutils-2.9-16.el8.x86_64                                                                                                  6/31
  Running scriptlet: policycoreutils-2.9-16.el8.x86_64                                                                                                  6/31
  Installing       : rpm-plugin-selinux-4.14.3-19.el8.x86_64                                                                                            7/31
  Installing       : selinux-policy-3.14.3-80.el8_5.2.noarch                                                                                            8/31
  Running scriptlet: selinux-policy-3.14.3-80.el8_5.2.noarch                                                                                            8/31
  Running scriptlet: selinux-policy-targeted-3.14.3-80.el8_5.2.noarch                                                                                   9/31
  Installing       : selinux-policy-targeted-3.14.3-80.el8_5.2.noarch                                                                                   9/31
  Running scriptlet: selinux-policy-targeted-3.14.3-80.el8_5.2.noarch                                                                                   9/31
  Installing       : libnfnetlink-1.0.1-13.el8.x86_64                                                                                                  10/31
  Running scriptlet: libnfnetlink-1.0.1-13.el8.x86_64                                                                                                  10/31
/sbin/ldconfig: /usr/lib/wsl/lib/libcuda.so.1 is not a symbolic link


  Installing       : libnetfilter_conntrack-1.0.6-5.el8.x86_64                                                                                         11/31
  Running scriptlet: libnetfilter_conntrack-1.0.6-5.el8.x86_64                                                                                         11/31
/sbin/ldconfig: /usr/lib/wsl/lib/libcuda.so.1 is not a symbolic link


  Installing       : libnftnl-1.1.5-4.el8.x86_64                                                                                                       12/31
  Running scriptlet: libnftnl-1.1.5-4.el8.x86_64                                                                                                       12/31
/sbin/ldconfig: /usr/lib/wsl/lib/libcuda.so.1 is not a symbolic link


  Running scriptlet: iptables-1.8.4-20.el8.x86_64                                                                                                      13/31
  Installing       : iptables-1.8.4-20.el8.x86_64                                                                                                      13/31
  Running scriptlet: iptables-1.8.4-20.el8.x86_64                                                                                                      13/31
/sbin/ldconfig: /usr/lib/wsl/lib/libcuda.so.1 is not a symbolic link


  Installing       : python3-libsemanage-2.9-6.el8.x86_64                                                                                              14/31
  Installing       : python3-setools-4.3.0-2.el8.x86_64                                                                                                15/31
  Installing       : libslirp-4.4.0-1.module_el8.5.0+2613+1b78b731.x86_64                                                                              16/31
  Installing       : slirp4netns-1.1.8-1.module_el8.5.0+2613+1b78b731.x86_64                                                                           17/31
  Installing       : python3-audit-3.0-0.17.20191104git1c2f876.el8.x86_64                                                                              18/31
  Running scriptlet: libcgroup-0.41-19.el8.x86_64                                                                                                      19/31
  Installing       : libcgroup-0.41-19.el8.x86_64                                                                                                      19/31
  Running scriptlet: libcgroup-0.41-19.el8.x86_64                                                                                                      19/31
/sbin/ldconfig: /usr/lib/wsl/lib/libcuda.so.1 is not a symbolic link


  Installing       : kmod-25-18.el8.x86_64                                                                                                             20/31
  Installing       : fuse3-libs-3.2.1-12.el8.x86_64                                                                                                    21/31
  Running scriptlet: fuse3-libs-3.2.1-12.el8.x86_64                                                                                                    21/31
/sbin/ldconfig: /usr/lib/wsl/lib/libcuda.so.1 is not a symbolic link


  Installing       : fuse-common-3.2.1-12.el8.x86_64                                                                                                   22/31
  Installing       : fuse3-3.2.1-12.el8.x86_64                                                                                                         23/31
  Installing       : fuse-overlayfs-1.8-1.module_el8.5.0+2613+1b78b731.x86_64                                                                          24/31
  Running scriptlet: fuse-overlayfs-1.8-1.module_el8.5.0+2613+1b78b731.x86_64                                                                          24/31
  Installing       : checkpolicy-2.9-1.el8.x86_64                                                                                                      25/31
  Installing       : python3-policycoreutils-2.9-16.el8.noarch                                                                                         26/31
  Installing       : policycoreutils-python-utils-2.9-16.el8.noarch                                                                                    27/31
  Running scriptlet: container-selinux-2:2.173.0-1.module_el8.5.0+2613+1b78b731.noarch                                                                 28/31
  Installing       : container-selinux-2:2.173.0-1.module_el8.5.0+2613+1b78b731.noarch                                                                 28/31
  Running scriptlet: container-selinux-2:2.173.0-1.module_el8.5.0+2613+1b78b731.noarch                                                                 28/31
  Installing       : containerd.io-1.5.11-3.1.el8.x86_64                                                                                               29/31
  Running scriptlet: containerd.io-1.5.11-3.1.el8.x86_64                                                                                               29/31
  Installing       : docker-ce-rootless-extras-20.10.14-3.el8.x86_64                                                                                   30/31
  Running scriptlet: docker-ce-rootless-extras-20.10.14-3.el8.x86_64                                                                                   30/31
  Installing       : docker-ce-3:20.10.14-3.el8.x86_64                                                                                                 31/31
  Running scriptlet: docker-ce-3:20.10.14-3.el8.x86_64                                                                                                 31/31
  Running scriptlet: container-selinux-2:2.173.0-1.module_el8.5.0+2613+1b78b731.noarch                                                                 31/31
  Running scriptlet: docker-ce-3:20.10.14-3.el8.x86_64                                                                                                 31/31
/sbin/ldconfig: /usr/lib/wsl/lib/libcuda.so.1 is not a symbolic link


  Verifying        : checkpolicy-2.9-1.el8.x86_64                                                                                                       1/31
  Verifying        : fuse-common-3.2.1-12.el8.x86_64                                                                                                    2/31
  Verifying        : fuse3-3.2.1-12.el8.x86_64                                                                                                          3/31
  Verifying        : fuse3-libs-3.2.1-12.el8.x86_64                                                                                                     4/31
  Verifying        : iptables-1.8.4-20.el8.x86_64                                                                                                       5/31
  Verifying        : kmod-25-18.el8.x86_64                                                                                                              6/31
  Verifying        : libcgroup-0.41-19.el8.x86_64                                                                                                       7/31
  Verifying        : libmnl-1.0.4-6.el8.x86_64                                                                                                          8/31
  Verifying        : libnetfilter_conntrack-1.0.6-5.el8.x86_64                                                                                          9/31
  Verifying        : libnfnetlink-1.0.1-13.el8.x86_64                                                                                                  10/31
  Verifying        : libnftnl-1.1.5-4.el8.x86_64                                                                                                       11/31
  Verifying        : libselinux-utils-2.9-5.el8.x86_64                                                                                                 12/31
  Verifying        : policycoreutils-2.9-16.el8.x86_64                                                                                                 13/31
  Verifying        : policycoreutils-python-utils-2.9-16.el8.noarch                                                                                    14/31
  Verifying        : python3-audit-3.0-0.17.20191104git1c2f876.el8.x86_64                                                                              15/31
  Verifying        : python3-libselinux-2.9-5.el8.x86_64                                                                                               16/31
  Verifying        : python3-libsemanage-2.9-6.el8.x86_64                                                                                              17/31
  Verifying        : python3-policycoreutils-2.9-16.el8.noarch                                                                                         18/31
  Verifying        : python3-setools-4.3.0-2.el8.x86_64                                                                                                19/31
  Verifying        : rpm-plugin-selinux-4.14.3-19.el8.x86_64                                                                                           20/31
  Verifying        : selinux-policy-3.14.3-80.el8_5.2.noarch                                                                                           21/31
  Verifying        : selinux-policy-targeted-3.14.3-80.el8_5.2.noarch                                                                                  22/31
  Verifying        : container-selinux-2:2.173.0-1.module_el8.5.0+2613+1b78b731.noarch                                                                 23/31
  Verifying        : fuse-overlayfs-1.8-1.module_el8.5.0+2613+1b78b731.x86_64                                                                          24/31
  Verifying        : libslirp-4.4.0-1.module_el8.5.0+2613+1b78b731.x86_64                                                                              25/31
  Verifying        : slirp4netns-1.1.8-1.module_el8.5.0+2613+1b78b731.x86_64                                                                           26/31
  Verifying        : containerd.io-1.5.11-3.1.el8.x86_64                                                                                               27/31
  Verifying        : docker-ce-3:20.10.14-3.el8.x86_64                                                                                                 28/31
  Verifying        : docker-ce-cli-1:20.10.14-3.el8.x86_64                                                                                             29/31
  Verifying        : docker-ce-rootless-extras-20.10.14-3.el8.x86_64                                                                                   30/31
  Verifying        : docker-scan-plugin-0.17.0-3.el8.x86_64                                                                                            31/31

Installed:
  checkpolicy-2.9-1.el8.x86_64                                             container-selinux-2:2.173.0-1.module_el8.5.0+2613+1b78b731.noarch
  containerd.io-1.5.11-3.1.el8.x86_64                                      docker-ce-3:20.10.14-3.el8.x86_64
  docker-ce-cli-1:20.10.14-3.el8.x86_64                                    docker-ce-rootless-extras-20.10.14-3.el8.x86_64
  docker-scan-plugin-0.17.0-3.el8.x86_64                                   fuse-common-3.2.1-12.el8.x86_64
  fuse-overlayfs-1.8-1.module_el8.5.0+2613+1b78b731.x86_64                 fuse3-3.2.1-12.el8.x86_64
  fuse3-libs-3.2.1-12.el8.x86_64                                           iptables-1.8.4-20.el8.x86_64
  kmod-25-18.el8.x86_64                                                    libcgroup-0.41-19.el8.x86_64
  libmnl-1.0.4-6.el8.x86_64                                                libnetfilter_conntrack-1.0.6-5.el8.x86_64
  libnfnetlink-1.0.1-13.el8.x86_64                                         libnftnl-1.1.5-4.el8.x86_64
  libselinux-utils-2.9-5.el8.x86_64                                        libslirp-4.4.0-1.module_el8.5.0+2613+1b78b731.x86_64
  policycoreutils-2.9-16.el8.x86_64                                        policycoreutils-python-utils-2.9-16.el8.noarch
  python3-audit-3.0-0.17.20191104git1c2f876.el8.x86_64                     python3-libselinux-2.9-5.el8.x86_64
  python3-libsemanage-2.9-6.el8.x86_64                                     python3-policycoreutils-2.9-16.el8.noarch
  python3-setools-4.3.0-2.el8.x86_64                                       rpm-plugin-selinux-4.14.3-19.el8.x86_64
  selinux-policy-3.14.3-80.el8_5.2.noarch                                  selinux-policy-targeted-3.14.3-80.el8_5.2.noarch
  slirp4netns-1.1.8-1.module_el8.5.0+2613+1b78b731.x86_64

Complete!

インストール完了確認

  • dockerのバージョンがいくつか?確認しとこう
$ sudo docker info
Client:
 Context:    default
 Debug Mode: false
 Plugins:
  app: Docker App (Docker Inc., v0.9.1-beta3)
  buildx: Docker Buildx (Docker Inc., v0.8.1-docker)
  scan: Docker Scan (Docker Inc., v0.17.0)

Server:
ERROR: Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?
errors pretty printing info
  • おや?エラーですな?docker daemonが起動していないようだ。
  • いろいろググって調べた結果、WSL2でdocker使うには、Windows OS側で、Docker desktopをインストールしなさいということが判明

Docker desktopのインストール

  • Docker公式にアクセス
  • ダウンロードページからDocker Desktop for Windowsをゲット
  • Docker Desktop Installer.exeをインストール
  • Docker Desktop起動し、Settingsへ、
    • Generalにて、Use the WSL2 Base engineにチェックが付いてることを確認

    • Resources-WSL INTEGRATION にて、以下を確認

      • Enable integation with my default WSL distroにチェックが付いてる
      • AlmaLinux-8が有効になっている
    • Apply & Restartボタンをクリック

WSL2:AlmaLinuxに戻り再度インストール完了確認

$ sudo docker info
Client:
 Context:    default
 Debug Mode: false
 Plugins:
  app: Docker App (Docker Inc., v0.9.1-beta3)
  buildx: Docker Buildx (Docker Inc., v0.8.2)
  compose: Docker Compose (Docker Inc., v2.4.1)
  sbom: View the packaged-based Software Bill Of Materials (SBOM) for an image (Anchore Inc., 0.6.0)
  scan: Docker Scan (Docker Inc., v0.17.0)

Server:
 Containers: 1
  Running: 0
  Paused: 0
  Stopped: 1
 Images: 1
 Server Version: 20.10.14
 Storage Driver: overlay2
  Backing Filesystem: extfs
  Supports d_type: true
  Native Overlay Diff: true
  userxattr: false
 Logging Driver: json-file
 Cgroup Driver: cgroupfs
 Cgroup Version: 1
 Plugins:
  Volume: local
  Network: bridge host ipvlan macvlan null overlay
  Log: awslogs fluentd gcplogs gelf journald json-file local logentries splunk syslog
 Swarm: inactive
 Runtimes: io.containerd.runc.v2 io.containerd.runtime.v1.linux runc
 Default Runtime: runc
 Init Binary: docker-init
 containerd version: 3df54a852345ae127d1fa3092b95168e4a88e2f8
 runc version: v1.0.3-0-gf46b6ba
 init version: de40ad0
 Security Options:
  seccomp
   Profile: default
 Kernel Version: 5.10.16.3-microsoft-standard-WSL2
 Operating System: Docker Desktop
 OSType: linux
 Architecture: x86_64
 CPUs: 8
 Total Memory: 12.31GiB
 Name: docker-desktop
 ID: EER4
 Docker Root Dir: /var/lib/docker
 Debug Mode: false
 HTTP Proxy: http.docker.internal:3128
 HTTPS Proxy: http.docker.internal:3128
 No Proxy: hubproxy.docker.internal
 Registry: https://index.docker.io/v1/
 Labels:
 Experimental: false
 Insecure Registries:
  hubproxy.docker.internal:5000
  127.0.0.0/8
 Live Restore Enabled: false

WARNING: No blkio throttle.read_bps_device support
WARNING: No blkio throttle.write_bps_device support
WARNING: No blkio throttle.read_iops_device support
WARNING: No blkio throttle.write_iops_device support
  • ブロック I/O ( blkio ) サブシステムに関する警告はとりあえずスキップ

自動起動on

$ sudo systemctl enable docker
  • とりあえずこれで準備完了。

後記

数年前にCoreOSとかが話題になったときに、コンテナを少しだけ自宅のESXiにていじっておりましたが、もはや当たり前の時代に突入ですな。
dockerで何動かすか?目的もってやらんと続きませんな。
何動かそうかな?

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