CentOS8環境にdockerを入れる
docker入れたい
dnfコマンドを使って入れていく。
本当はansibleで入れてみたかったけどとりあえず動かしたいので入れる。
repository登録
$ dnf config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo Adding repo from: https://download.docker.com/linux/centos/docker-ce.repo
$ dnf repolist repo id repo name appstream CentOS Linux 8 - AppStream baseos CentOS Linux 8 - BaseOS docker-ce-stable Docker CE Stable - aarch64 extras CentOS Linux 8 - Extras [root@localhost ~]# dnf -y install docker-ce docker-ce-cli containerd.io Docker CE Stable - aarch64 24 kB/s | 9.2 kB 00:00 Last metadata expiration check: 0:00:01 ago on Sun 07 Feb 2021 10:18:59 AM UTC. Dependencies resolved. ======================================================================================================================================================================================================================= Package Architecture Version Repository Size ======================================================================================================================================================================================================================= Installing: containerd.io aarch64 1.4.3-3.1.el8 docker-ce-stable 26 M docker-ce aarch64 3:20.10.3-3.el8 docker-ce-stable 18 M docker-ce-cli aarch64 1:20.10.3-3.el8 docker-ce-stable 29 M Installing dependencies: checkpolicy aarch64 2.9-1.el8 baseos 338 k container-selinux noarch 2:2.144.0-1.module_el8.3.0+475+c50ce30b appstream 49 k docker-ce-rootless-extras aarch64 20.10.3-3.el8 docker-ce-stable 8.3 M fuse-overlayfs aarch64 1.1.2-3.module_el8.3.0+507+aa0970ae appstream 62 k fuse3-libs aarch64 3.2.1-12.el8 baseos 90 k libcgroup aarch64 0.41-19.el8 baseos 68 k libslirp aarch64 4.3.1-1.module_el8.3.0+475+c50ce30b appstream 65 k policycoreutils-python-utils noarch 2.9-9.el8 baseos 251 k python3-audit aarch64 3.0-0.17.20191104git1c2f876.el8 baseos 84 k python3-libsemanage aarch64 2.9-3.el8 baseos 124 k python3-policycoreutils noarch 2.9-9.el8 baseos 2.2 M python3-setools aarch64 4.3.0-2.el8 baseos 528 k slirp4netns aarch64 1.1.4-2.module_el8.3.0+475+c50ce30b appstream 49 k tar aarch64 2:1.30-5.el8 baseos 829 k Enabling module streams: container-tools rhel8 Transaction Summary ======================================================================================================================================================================================================================= Install 17 Packages ... Installed: checkpolicy-2.9-1.el8.aarch64 container-selinux-2:2.144.0-1.module_el8.3.0+475+c50ce30b.noarch containerd.io-1.4.3-3.1.el8.aarch64 docker-ce-3:20.10.3-3.el8.aarch64 docker-ce-cli-1:20.10.3-3.el8.aarch64 docker-ce-rootless-extras-20.10.3-3.el8.aarch64 fuse-overlayfs-1.1.2-3.module_el8.3.0+507+aa0970ae.aarch64 fuse3-libs-3.2.1-12.el8.aarch64 libcgroup-0.41-19.el8.aarch64 libslirp-4.3.1-1.module_el8.3.0+475+c50ce30b.aarch64 policycoreutils-python-utils-2.9-9.el8.noarch python3-audit-3.0-0.17.20191104git1c2f876.el8.aarch64 python3-libsemanage-2.9-3.el8.aarch64 python3-policycoreutils-2.9-9.el8.noarch python3-setools-4.3.0-2.el8.aarch64 slirp4netns-1.1.4-2.module_el8.3.0+475+c50ce30b.aarch64 tar-2:1.30-5.el8.aarch64 Complete!
dockerのサービス登録
[root@localhost ~]# systemctl start docker
[root@localhost ~]# systemctl enable docker
Created symlink /etc/systemd/system/multi-user.target.wants/docker.service → /usr/lib/systemd/system/docker.service.
[root@localhost ~]# systemctl status docker
● docker.service - Docker Application Container Engine
Loaded: loaded (/usr/lib/systemd/system/docker.service; enabled; vendor preset: disabled)
Active: active (running) since Sun 2021-02-07 10:21:44 UTC; 9s ago
Docs: https://docs.docker.com
Main PID: 3783 (dockerd)
Tasks: 13
CGroup: /system.slice/docker.service
└─3783 /usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock
Feb 07 10:21:42 localhost dockerd[3783]: time="2021-02-07T10:21:42.099871862Z" level=warning msg="Your kernel does not support cgroup blkio weight"
Feb 07 10:21:42 localhost dockerd[3783]: time="2021-02-07T10:21:42.099895528Z" level=warning msg="Your kernel does not support cgroup blkio weight_device"
Feb 07 10:21:42 localhost dockerd[3783]: time="2021-02-07T10:21:42.100400981Z" level=info msg="Loading containers: start."
Feb 07 10:21:43 localhost dockerd[3783]: time="2021-02-07T10:21:43.366532114Z" level=info msg="Default bridge (docker0) is assigned with an IP address 172.17.0.0/16. Daemon option --bip can be used to set a preferr>
Feb 07 10:21:43 localhost dockerd[3783]: time="2021-02-07T10:21:43.650196576Z" level=info msg="Firewalld: interface docker0 already part of docker zone, returning"
Feb 07 10:21:43 localhost dockerd[3783]: time="2021-02-07T10:21:43.969715664Z" level=info msg="Loading containers: done."
Feb 07 10:21:44 localhost dockerd[3783]: time="2021-02-07T10:21:44.080269229Z" level=info msg="Docker daemon" commit=46229ca graphdriver(s)=overlay2 version=20.10.3
Feb 07 10:21:44 localhost dockerd[3783]: time="2021-02-07T10:21:44.080964865Z" level=info msg="Daemon has completed initialization"
Feb 07 10:21:44 localhost systemd[1]: Started Docker Application Container Engine.
Feb 07 10:21:44 localhost dockerd[3783]: time="2021-02-07T10:21:44.190011069Z" level=info msg="API listen on /var/run/docker.sock"
[root@localhost ~]# docker --version
Docker version 20.10.3, build 48d30b5
