CentOSにDockerをインストールする
事前準備
AzureでCentOSのVMを作成しておく。
作成したマシン情報
- OS: Linux (centos 7.7.1908)
- マシン名: centos-sample
手順
クライアントのWindowsからteratermで接続する。
rootユーザに変更
sudo su
実行結果
[aky100200@centos-sample ~]$ sudo su
We trust you have received the usual lecture from the local System
Administrator. It usually boils down to these three things:
#1) Respect the privacy of others.
#2) Think before you type.
#3) With great power comes great responsibility.
[sudo] password for aky100200:
[root@centos-sample aky100200]#
パッケージのインストール
- yum-utils
- device-mapper-persistent-data
- lvm2
yum install -y yum-utils device-mapper-persistent-data lvm2
実行結果
[root@centos-sample aky100200]# yum install -y yum-utils device-mapper-persistent-data lvm2
Loaded plugins: fastestmirror, langpacks
Determining fastest mirrors
base | 3.1 kB 00:00
extras | 2.5 kB 00:00
openlogic | 2.9 kB 00:00
updates | 2.6 kB 00:00
(1/5): openlogic/7/x86_64/primary_db | 33 kB 00:00
(2/5): base/7/x86_64/group_gz | 165 kB 00:00
(3/5): extras/7/x86_64/primary_db | 159 kB 00:00
(4/5): updates/7/x86_64/primary_db | 6.7 MB 00:00
(5/5): base/7/x86_64/primary_db | 6.0 MB 00:00
Package yum-utils-1.1.31-52.el7.noarch already installed and latest version
Package device-mapper-persistent-data-0.8.5-1.el7.x86_64 already installed and latest version
Package 7:lvm2-2.02.185-2.el7_7.2.x86_64 already installed and latest version
Nothing to do
[root@centos-sample aky100200]#
Dockerリポジトリのインストール
yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
実行結果
root@centos-sample aky100200]# yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
Loaded plugins: fastestmirror, langpacks
adding repo from: https://download.docker.com/linux/centos/docker-ce.repo
grabbing file https://download.docker.com/linux/centos/docker-ce.repo to /etc/yum.repos.d/docker-ce.repo
repo saved to /etc/yum.repos.d/docker-ce.repo
[root@centos-sample aky100200]#
docker-ceのインストール
yum -y install docker-ce docker-ce-cli containerd.io
実行結果
[root@centos-sample aky100200]# yum -y install docker-ce docker-ce-cli containerd.io
Loaded plugins: fastestmirror, langpacks
Loading mirror speeds from cached hostfile
Resolving Dependencies
--> Running transaction check
---> Package containerd.io.x86_64 0:1.2.10-3.2.el7 will be installed
--> Processing Dependency: container-selinux >= 2:2.74 for package: containerd.io-1.2.10-3.2.el7.x86_64
---> Package docker-ce.x86_64 3:19.03.5-3.el7 will be installed
--> Processing Dependency: libcgroup for package: 3:docker-ce-19.03.5-3.el7.x86_64
---> Package docker-ce-cli.x86_64 1:19.03.5-3.el7 will be installed
--> Running transaction check
---> Package container-selinux.noarch 2:2.107-3.el7 will be installed
--> Processing Dependency: policycoreutils-python for package: 2:container-selinux-2.107-3.el7.noarch
---> Package libcgroup.x86_64 0:0.41-21.el7 will be installed
--> Running transaction check
---> Package policycoreutils-python.x86_64 0:2.5-33.el7 will be installed
--> Processing Dependency: setools-libs >= 3.3.8-4 for package: policycoreutils-python-2.5-33.el7.x86_64
--> Processing Dependency: libsemanage-python >= 2.5-14 for package: policycoreutils-python-2.5-33.el7.x86_64
--> Processing Dependency: audit-libs-python >= 2.1.3-4 for package: policycoreutils-python-2.5-33.el7.x86_64
--> Processing Dependency: python-IPy for package: policycoreutils-python-2.5-33.el7.x86_64
--> Processing Dependency: libqpol.so.1(VERS_1.4)(64bit) for package: policycoreutils-python-2.5-33.el7.x86_64
--> Processing Dependency: libqpol.so.1(VERS_1.2)(64bit) for package: policycoreutils-python-2.5-33.el7.x86_64
--> Processing Dependency: libapol.so.4(VERS_4.0)(64bit) for package: policycoreutils-python-2.5-33.el7.x86_64
--> Processing Dependency: checkpolicy for package: policycoreutils-python-2.5-33.el7.x86_64
--> Processing Dependency: libqpol.so.1()(64bit) for package: policycoreutils-python-2.5-33.el7.x86_64
--> Processing Dependency: libapol.so.4()(64bit) for package: policycoreutils-python-2.5-33.el7.x86_64
--> Running transaction check
---> Package audit-libs-python.x86_64 0:2.8.5-4.el7 will be installed
---> Package checkpolicy.x86_64 0:2.5-8.el7 will be installed
---> Package libsemanage-python.x86_64 0:2.5-14.el7 will be installed
---> Package python-IPy.noarch 0:0.75-6.el7 will be installed
---> Package setools-libs.x86_64 0:3.3.8-4.el7 will be installed
--> Finished Dependency Resolution
Dependencies Resolved
================================================================================
Package Arch Version Repository Size
================================================================================
Installing:
containerd.io x86_64 1.2.10-3.2.el7 docker-ce-stable 23 M
docker-ce x86_64 3:19.03.5-3.el7 docker-ce-stable 24 M
docker-ce-cli x86_64 1:19.03.5-3.el7 docker-ce-stable 39 M
Installing for dependencies:
audit-libs-python x86_64 2.8.5-4.el7 base 76 k
checkpolicy x86_64 2.5-8.el7 base 295 k
container-selinux noarch 2:2.107-3.el7 extras 39 k
libcgroup x86_64 0.41-21.el7 base 66 k
libsemanage-python x86_64 2.5-14.el7 base 113 k
policycoreutils-python x86_64 2.5-33.el7 base 457 k
python-IPy noarch 0.75-6.el7 base 32 k
setools-libs x86_64 3.3.8-4.el7 base 620 k
Transaction Summary
================================================================================
Install 3 Packages (+8 Dependent packages)
Total download size: 89 M
Installed size: 368 M
Downloading packages:
(1/11): container-selinux-2.107-3.el7.noarch.rpm | 39 kB 00:00
(2/11): audit-libs-python-2.8.5-4.el7.x86_64.rpm | 76 kB 00:00
(3/11): checkpolicy-2.5-8.el7.x86_64.rpm | 295 kB 00:00
warning: /var/cache/yum/x86_64/7/docker-ce-stable/packages/docker-ce-19.03.5-3.el7.x86_64.rpm: Header V4 RSA/SHA512 Signature, key ID 621e9f35: NOKEY
Public key for docker-ce-19.03.5-3.el7.x86_64.rpm is not installed
(4/11): docker-ce-19.03.5-3.el7.x86_64.rpm | 24 MB 00:00
(5/11): libcgroup-0.41-21.el7.x86_64.rpm | 66 kB 00:00
(6/11): libsemanage-python-2.5-14.el7.x86_64.rpm | 113 kB 00:00
(7/11): policycoreutils-python-2.5-33.el7.x86_64.rpm | 457 kB 00:00
(8/11): python-IPy-0.75-6.el7.noarch.rpm | 32 kB 00:00
(9/11): setools-libs-3.3.8-4.el7.x86_64.rpm | 620 kB 00:00
(10/11): docker-ce-cli-19.03.5-3.el7.x86_64.rpm | 39 MB 00:01
(11/11): containerd.io-1.2.10-3.2.el7.x86_64.rpm | 23 MB 00:02
--------------------------------------------------------------------------------
Total 38 MB/s | 89 MB 00:02
Retrieving key from https://download.docker.com/linux/centos/gpg
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
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
Installing : libcgroup-0.41-21.el7.x86_64 1/11
Installing : setools-libs-3.3.8-4.el7.x86_64 2/11
Installing : 1:docker-ce-cli-19.03.5-3.el7.x86_64 3/11
Installing : audit-libs-python-2.8.5-4.el7.x86_64 4/11
Installing : python-IPy-0.75-6.el7.noarch 5/11
Installing : libsemanage-python-2.5-14.el7.x86_64 6/11
Installing : checkpolicy-2.5-8.el7.x86_64 7/11
Installing : policycoreutils-python-2.5-33.el7.x86_64 8/11
Installing : 2:container-selinux-2.107-3.el7.noarch 9/11
Installing : containerd.io-1.2.10-3.2.el7.x86_64 10/11
Installing : 3:docker-ce-19.03.5-3.el7.x86_64 11/11
Verifying : checkpolicy-2.5-8.el7.x86_64 1/11
Verifying : policycoreutils-python-2.5-33.el7.x86_64 2/11
Verifying : 3:docker-ce-19.03.5-3.el7.x86_64 3/11
Verifying : libsemanage-python-2.5-14.el7.x86_64 4/11
Verifying : 2:container-selinux-2.107-3.el7.noarch 5/11
Verifying : python-IPy-0.75-6.el7.noarch 6/11
Verifying : audit-libs-python-2.8.5-4.el7.x86_64 7/11
Verifying : containerd.io-1.2.10-3.2.el7.x86_64 8/11
Verifying : 1:docker-ce-cli-19.03.5-3.el7.x86_64 9/11
Verifying : setools-libs-3.3.8-4.el7.x86_64 10/11
Verifying : libcgroup-0.41-21.el7.x86_64 11/11
Installed:
containerd.io.x86_64 0:1.2.10-3.2.el7 docker-ce.x86_64 3:19.03.5-3.el7
docker-ce-cli.x86_64 1:19.03.5-3.el7
Dependency Installed:
audit-libs-python.x86_64 0:2.8.5-4.el7
checkpolicy.x86_64 0:2.5-8.el7
container-selinux.noarch 2:2.107-3.el7
libcgroup.x86_64 0:0.41-21.el7
libsemanage-python.x86_64 0:2.5-14.el7
policycoreutils-python.x86_64 0:2.5-33.el7
python-IPy.noarch 0:0.75-6.el7
setools-libs.x86_64 0:3.3.8-4.el7
Complete!
[root@centos-sample aky100200]#
インストールの確認
dockerコマンドのパスを確認する。
パスが確認できればOK。
which docker
実行結果
[root@centos-sample aky100200]# which docker
/bin/docker
[root@centos-sample aky100200]#
dockerdの起動
実行してエラーが出なければOK。
systemctl start docker
実行結果
[root@centos-sample aky100200]# systemctl start docker
[root@centos-sample aky100200]#
自動起動設定
systemctl enable docker
実行結果
root@centos-sample aky100200]# systemctl enable docker
Created symlink from /etc/systemd/system/multi-user.target.wants/docker.service to /usr/lib/systemd/system/docker.service.
[root@centos-sample aky100200]#
これでdockerが使えるようになった。