在本教程中，我们将了解如何使用官方Docker存储库在CentOS 8.1上安装和运行Docker CE。
什么是Docker？
Docker是一个开源项目，它允许在容器内部创建和分发应用程序，容器是可以独立于主机系统轻松复制的标准化环境。
添加Docker存储库
之前在Centos7上安装很顺利，没想到相同步骤在Centos8上安装报错了，在此记录下Docker在Centos8环节下的安装：
\1. 安装检查
Docker要求安装环境为 64位系统，且内核在3.8以上。可用uname -r 查看。
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Last login: Fri Aug 7 16:47:56 2020 from 118.116.121.205
[root@VM-0-2-centos ~]# uname -r
4.18.0-80.el8.x86_64
[root@VM-0-2-centos ~]# yum list installed | grep docke
[root@VM-0-2-centos ~]# yum -y install docker
Last metadata expiration check: 0:55:59 ago on Fri 07 Aug 2020 04:37:06 PM CST.
No match for argument: docker
Error: Unable to find a match
[root@VM-0-2-centos ~]# systemctl start docker
Failed to start docker.service: Unit docker.service not found.
[root@VM-0-2-centos ~]# cd docker
[root@VM-0-2-centos ~]# curl https://download.docker.com/linux/centos/docker-ce.repo -o /etc/yum.repos.d/docker-ce.repo
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 2424 100 2424 0 0 678 0 0:00:03 0:00:03 --:--:-- 678
[root@VM-0-2-centos ~]# yum install https://download.docker.com/linux/fedora/30/x86_64/stable/Packages/containerd.io-1.2.6-3.3.fc30.x86_64.rpm
Docker CE Stable - x86_64 1.3 kB/s | 25 kB 00:18
Last metadata expiration check: 0:00:14 ago on Fri 07 Aug 2020 05:35:06 PM CST.
containerd.io-1.2.6-3.3.fc30.x86_64.rpm 743 kB/s | 21 MB 00:29
Dependencies resolved.
====================================================================================================
Package Arch Version Repository Size
====================================================================================================
Installing:
containerd.io x86_64 1.2.6-3.3.fc30 @commandline 21 M
Upgrading:
libselinux x86_64 2.9-3.el8 BaseOS 166 k
libselinux-utils x86_64 2.9-3.el8 BaseOS 244 k
libsemanage x86_64 2.9-2.el8 BaseOS 165 k
libsepol x86_64 2.9-1.el8 BaseOS 340 k
policycoreutils x86_64 2.9-9.el8 BaseOS 377 k
policycoreutils-python-utils noarch 2.9-9.el8 BaseOS 251 k
python3-libselinux x86_64 2.9-3.el8 BaseOS 283 k
python3-libsemanage x86_64 2.9-2.el8 BaseOS 127 k
python3-policycoreutils noarch 2.9-9.el8 BaseOS 2.2 M
selinux-policy noarch 3.14.3-41.el8_2.4 BaseOS 614 k
selinux-policy-targeted noarch 3.14.3-41.el8_2.4 BaseOS 15 M
Installing dependencies:
container-selinux noarch 2:2.124.0-1.module_el8.2.0+305+5e198a41 AppStream 47 k
Enabling module streams:
container-tools rhel8
Transaction Summary
====================================================================================================
Install 2 Packages
Upgrade 11 Packages
Total size: 41 M
Total download size: 20 M
Is this ok [y/N]: y
Downloading Packages:
(1/12): container-selinux-2.124.0-1.module_el8.2.0+305+5e198a41.noa 235 kB/s | 47 kB 00:00
(2/12): libselinux-2.9-3.el8.x86_64.rpm 484 kB/s | 166 kB 00:00
(3/12): libselinux-utils-2.9-3.el8.x86_64.rpm 677 kB/s | 244 kB 00:00
(4/12): libsemanage-2.9-2.el8.x86_64.rpm 836 kB/s | 165 kB 00:00
(5/12): libsepol-2.9-1.el8.x86_64.rpm 1.5 MB/s | 340 kB 00:00
(6/12): policycoreutils-2.9-9.el8.x86_64.rpm 1.6 MB/s | 377 kB 00:00
(7/12): policycoreutils-python-utils-2.9-9.el8.noarch.rpm 1.2 MB/s | 251 kB 00:00
(8/12): python3-libsemanage-2.9-2.el8.x86_64.rpm 1.3 MB/s | 127 kB 00:00
(9/12): python3-libselinux-2.9-3.el8.x86_64.rpm 1.8 MB/s | 283 kB 00:00
(10/12): selinux-policy-3.14.3-41.el8_2.4.noarch.rpm 2.4 MB/s | 614 kB 00:00
(11/12): python3-policycoreutils-2.9-9.el8.noarch.rpm 3.9 MB/s | 2.2 MB 00:00
(12/12): selinux-policy-targeted-3.14.3-41.el8_2.4.noarch.rpm 10 MB/s | 15 MB 00:01
----------------------------------------------------------------------------------------------------
Total 9.1 MB/s | 20 MB 00:02
Running transaction check
Transaction check succeeded.
Running transaction test
Transaction test succeeded.
Running transaction
Preparing : 1/1
Running scriptlet: libsepol-2.9-1.el8.x86_64 1/1
Upgrading : libsepol-2.9-1.el8.x86_64 1/24
Running scriptlet: libsepol-2.9-1.el8.x86_64 1/24
Upgrading : libselinux-2.9-3.el8.x86_64 2/24
Running scriptlet: libselinux-2.9-3.el8.x86_64 2/24
Upgrading : libselinux-utils-2.9-3.el8.x86_64 3/24
Upgrading : libsemanage-2.9-2.el8.x86_64 4/24
Upgrading : policycoreutils-2.9-9.el8.x86_64 5/24
Running scriptlet: policycoreutils-2.9-9.el8.x86_64 5/24
Upgrading : selinux-policy-3.14.3-41.el8_2.4.noarch 6/24
Running scriptlet: selinux-policy-3.14.3-41.el8_2.4.noarch 6/24
Upgrading : python3-libselinux-2.9-3.el8.x86_64 7/24
Upgrading : python3-libsemanage-2.9-2.el8.x86_64 8/24
Upgrading : python3-policycoreutils-2.9-9.el8.noarch 9/24
Upgrading : policycoreutils-python-utils-2.9-9.el8.noarch 10/24
Running scriptlet: selinux-policy-targeted-3.14.3-41.el8_2.4.noarch 11/24
Upgrading : selinux-policy-targeted-3.14.3-41.el8_2.4.noarch 11/24
Running scriptlet: selinux-policy-targeted-3.14.3-41.el8_2.4.noarch 11/24
Running scriptlet: container-selinux-2:2.124.0-1.module_el8.2.0+305+5e198a41.noarch 12/24
Installing : container-selinux-2:2.124.0-1.module_el8.2.0+305+5e198a41.noarch 12/24
Running scriptlet: container-selinux-2:2.124.0-1.module_el8.2.0+305+5e198a41.noarch 12/24
Installing : containerd.io-1.2.6-3.3.fc30.x86_64 13/24
Running scriptlet: containerd.io-1.2.6-3.3.fc30.x86_64 13/24
Cleanup : selinux-policy-targeted-3.14.1-61.el8.noarch 14/24
Running scriptlet: selinux-policy-targeted-3.14.1-61.el8.noarch 14/24
Cleanup : selinux-policy-3.14.1-61.el8.noarch 15/24
Running scriptlet: selinux-policy-3.14.1-61.el8.noarch 15/24
Cleanup : policycoreutils-python-utils-2.8-16.1.el8.noarch 16/24
Cleanup : python3-policycoreutils-2.8-16.1.el8.noarch 17/24
Running scriptlet: policycoreutils-2.8-16.1.el8.x86_64 18/24
Cleanup : policycoreutils-2.8-16.1.el8.x86_64 18/24
Cleanup : python3-libsemanage-2.8-5.el8.x86_64 19/24
Cleanup : libsemanage-2.8-5.el8.x86_64 20/24
Cleanup : python3-libselinux-2.8-6.el8.x86_64 21/24
Cleanup : libselinux-utils-2.8-6.el8.x86_64 22/24
Cleanup : libselinux-2.8-6.el8.x86_64 23/24
Cleanup : libsepol-2.8-2.el8.x86_64 24/24
Running scriptlet: libsepol-2.8-2.el8.x86_64 24/24
Running scriptlet: container-selinux-2:2.124.0-1.module_el8.2.0+305+5e198a41.noarch 24/24
Running scriptlet: libsepol-2.8-2.el8.x86_64 24/24
Verifying : container-selinux-2:2.124.0-1.module_el8.2.0+305+5e198a41.noarch 1/24
Verifying : containerd.io-1.2.6-3.3.fc30.x86_64 2/24
Verifying : libselinux-2.9-3.el8.x86_64 3/24
Verifying : libselinux-2.8-6.el8.x86_64 4/24
Verifying : libselinux-utils-2.9-3.el8.x86_64 5/24
Verifying : libselinux-utils-2.8-6.el8.x86_64 6/24
Verifying : libsemanage-2.9-2.el8.x86_64 7/24
Verifying : libsemanage-2.8-5.el8.x86_64 8/24
Verifying : libsepol-2.9-1.el8.x86_64 9/24
Verifying : libsepol-2.8-2.el8.x86_64 10/24
Verifying : policycoreutils-2.9-9.el8.x86_64 11/24
Verifying : policycoreutils-2.8-16.1.el8.x86_64 12/24
Verifying : policycoreutils-python-utils-2.9-9.el8.noarch 13/24
Verifying : policycoreutils-python-utils-2.8-16.1.el8.noarch 14/24
Verifying : python3-libselinux-2.9-3.el8.x86_64 15/24
Verifying : python3-libselinux-2.8-6.el8.x86_64 16/24
Verifying : python3-libsemanage-2.9-2.el8.x86_64 17/24
Verifying : python3-libsemanage-2.8-5.el8.x86_64 18/24
Verifying : python3-policycoreutils-2.9-9.el8.noarch 19/24
Verifying : python3-policycoreutils-2.8-16.1.el8.noarch 20/24
Verifying : selinux-policy-3.14.3-41.el8_2.4.noarch 21/24
Verifying : selinux-policy-3.14.1-61.el8.noarch 22/24
Verifying : selinux-policy-targeted-3.14.3-41.el8_2.4.noarch 23/24
Verifying : selinux-policy-targeted-3.14.1-61.el8.noarch 24/24
Upgraded:
libselinux-2.9-3.el8.x86_64 libselinux-utils-2.9-3.el8.x86_64 libsemanage-2.9-2.el8.x86_64 libsepol-2.9-1.el8.x86_64 policycoreutils-2.9-9.el8.x86_64
policycoreutils-python-utils-2.9-9.el8.noarch python3-libselinux-2.9-3.el8.x86_64 python3-libsemanage-2.9-2.el8.x86_64 python3-policycoreutils-2.9-9.el8.noarch selinux-policy-3.14.3-41.el8_2.4.noarch
selinux-policy-targeted-3.14.3-41.el8_2.4.noarch
Installed:
containerd.io-1.2.6-3.3.fc30.x86_64 container-selinux-2:2.124.0-1.module_el8.2.0+305+5e198a41.noarch
Complete!
[root@VM-0-2-centos ~]# yum install docker-ce
Last metadata expiration check: 0:01:56 ago on Fri 07 Aug 2020 05:35:06 PM CST.
Dependencies resolved.
============================================================================================================================================================================================================================================
Package Arch Version Repository Size
============================================================================================================================================================================================================================================
Installing:
docker-ce x86_64 3:19.03.12-3.el7 docker-ce-stable 24 M
Installing dependencies:
libcgroup x86_64 0.41-19.el8 BaseOS 70 k
docker-ce-cli x86_64 1:19.03.12-3.el7 docker-ce-stable 38 M
Transaction Summary
============================================================================================================================================================================================================================================
Install 3 Packages
Total download size: 62 M
Installed size: 263 M
Is this ok [y/N]: y
Downloading Packages:
(1/3): libcgroup-0.41-19.el8.x86_64.rpm 56 kB/s | 70 kB 00:01
[MIRROR] docker-ce-cli-19.03.12-3.el7.x86_64.rpm: Curl error (28): Timeout was reached for https://download.docker.com/linux/centos/7/x86_64/stable/Packages/docker-ce-cli-19.03.12-3.el7.x86_64.rpm [Operation too slow. Less than 1000 bytes/sec transferred the last 30 seconds]
[MIRROR] docker-ce-19.03.12-3.el7.x86_64.rpm: Curl error (28): Timeout was reached for https://download.docker.com/linux/centos/7/x86_64/stable/Packages/docker-ce-19.03.12-3.el7.x86_64.rpm [Operation too slow. Less than 1000 bytes/sec transferred the last 30 seconds]
[FAILED] docker-ce-19.03.12-3.el7.x86_64.rpm: No more mirrors to try - All mirrors were already tried without success
(3/3): docker-ce-cli-19.03.12-3.el7.x86_64.rpm 40% [=======================================- ] 2.8 MB/s | 25 MB 00:13 ETA
The downloaded packages were saved in cache until the next successful transaction.
You can remove cached packages by executing 'dnf clean packages'.
Error: Error downloading packages:
Cannot download Packages/docker-ce-19.03.12-3.el7.x86_64.rpm: All mirrors were tried
[root@VM-0-2-centos ~]# yum-config-manager --add-repo https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
-bash: yum-config-manager: command not found
[root@VM-0-2-centos ~]# sudo yum install -y yum-utils device-mapper-persistent-data lvm2
Docker CE Stable - x86_64 1.7 kB/s | 3.5 kB 00:02
Package device-mapper-persistent-data-0.7.6-1.el8.x86_64 is already installed.
Package lvm2-8:2.03.02-6.el8.x86_64 is already installed.
Dependencies resolved.
============================================================================================================================================================================================================================================
Package Arch Version Repository Size
============================================================================================================================================================================================================================================
Installing:
yum-utils noarch 4.0.12-3.el8 BaseOS 66 k
Upgrading:
device-mapper x86_64 8:1.02.169-3.el8 BaseOS 372 k
device-mapper-event x86_64 8:1.02.169-3.el8 BaseOS 267 k
device-mapper-event-libs x86_64 8:1.02.169-3.el8 BaseOS 266 k
device-mapper-libs x86_64 8:1.02.169-3.el8 BaseOS 405 k
device-mapper-persistent-data x86_64 0.8.5-3.el8 BaseOS 470 k
dnf noarch 4.2.17-6.el8 BaseOS 469 k
dnf-data noarch 4.2.17-6.el8 BaseOS 145 k
dnf-plugins-core noarch 4.0.12-3.el8 BaseOS 64 k
libdnf x86_64 0.39.1-5.el8 BaseOS 620 k
librepo x86_64 1.11.0-2.el8 BaseOS 90 k
libsolv x86_64 0.7.7-1.el8 BaseOS 356 k
lvm2 x86_64 8:2.03.08-3.el8 BaseOS 1.5 M
lvm2-libs x86_64 8:2.03.08-3.el8 BaseOS 1.1 M
python3-dnf noarch 4.2.17-6.el8 BaseOS 521 k
python3-dnf-plugins-core noarch 4.0.12-3.el8 BaseOS 203 k
python3-hawkey x86_64 0.39.1-5.el8 BaseOS 99 k
python3-libdnf x86_64 0.39.1-5.el8 BaseOS 689 k
python3-librepo x86_64 1.11.0-2.el8 BaseOS 52 k
python3-rpm x86_64 4.14.2-37.el8 BaseOS 156 k
rpm x86_64 4.14.2-37.el8 BaseOS 540 k
rpm-build-libs x86_64 4.14.2-37.el8 BaseOS 154 k
rpm-libs x86_64 4.14.2-37.el8 BaseOS 337 k
rpm-plugin-selinux x86_64 4.14.2-37.el8 BaseOS 75 k
rpm-plugin-systemd-inhibit x86_64 4.14.2-37.el8 BaseOS 76 k
yum noarch 4.2.17-6.el8 BaseOS 193 k
Installing dependencies:
libzstd x86_64 1.4.2-2.el8 BaseOS 260 k
Transaction Summary
============================================================================================================================================================================================================================================
Install 2 Packages
Upgrade 25 Packages
Total download size: 9.4 M
Downloading Packages:
(1/27): yum-utils-4.0.12-3.el8.noarch.rpm 329 kB/s | 66 kB 00:00
(2/27): libzstd-1.4.2-2.el8.x86_64.rpm 771 kB/s | 260 kB 00:00
(3/27): device-mapper-1.02.169-3.el8.x86_64.rpm 988 kB/s | 372 kB 00:00
(4/27): device-mapper-event-1.02.169-3.el8.x86_64.rpm 1.1 MB/s | 267 kB 00:00
(5/27): device-mapper-event-libs-1.02.169-3.el8.x86_64.rpm 1.5 MB/s | 266 kB 00:00
(6/27): device-mapper-libs-1.02.169-3.el8.x86_64.rpm 1.8 MB/s | 405 kB 00:00
(7/27): dnf-data-4.2.17-6.el8.noarch.rpm 1.9 MB/s | 145 kB 00:00
(8/27): device-mapper-persistent-data-0.8.5-3.el8.x86_64.rpm 1.8 MB/s | 470 kB 00:00
(9/27): dnf-plugins-core-4.0.12-3.el8.noarch.rpm 1.7 MB/s | 64 kB 00:00
(10/27): dnf-4.2.17-6.el8.noarch.rpm 2.0 MB/s | 469 kB 00:00
(11/27): librepo-1.11.0-2.el8.x86_64.rpm 1.2 MB/s | 90 kB 00:00
(12/27): libsolv-0.7.7-1.el8.x86_64.rpm 2.5 MB/s | 356 kB 00:00
(13/27): libdnf-0.39.1-5.el8.x86_64.rpm 2.8 MB/s | 620 kB 00:00
(14/27): python3-dnf-4.2.17-6.el8.noarch.rpm 4.4 MB/s | 521 kB 00:00
(15/27): lvm2-libs-2.03.08-3.el8.x86_64.rpm 4.8 MB/s | 1.1 MB 00:00
(16/27): python3-dnf-plugins-core-4.0.12-3.el8.noarch.rpm 2.3 MB/s | 203 kB 00:00
(17/27): lvm2-2.03.08-3.el8.x86_64.rpm 4.1 MB/s | 1.5 MB 00:00
(18/27): python3-hawkey-0.39.1-5.el8.x86_64.rpm 2.1 MB/s | 99 kB 00:00
(19/27): python3-librepo-1.11.0-2.el8.x86_64.rpm 1.2 MB/s | 52 kB 00:00
(20/27): python3-rpm-4.14.2-37.el8.x86_64.rpm 2.1 MB/s | 156 kB 00:00
(21/27): python3-libdnf-0.39.1-5.el8.x86_64.rpm 4.6 MB/s | 689 kB 00:00
(22/27): rpm-build-libs-4.14.2-37.el8.x86_64.rpm 2.2 MB/s | 154 kB 00:00
(23/27): rpm-4.14.2-37.el8.x86_64.rpm 4.8 MB/s | 540 kB 00:00
(24/27): rpm-plugin-selinux-4.14.2-37.el8.x86_64.rpm 1.8 MB/s | 75 kB 00:00
(25/27): rpm-plugin-systemd-inhibit-4.14.2-37.el8.x86_64.rpm 2.0 MB/s | 76 kB 00:00
(26/27): rpm-libs-4.14.2-37.el8.x86_64.rpm 2.9 MB/s | 337 kB 00:00
(27/27): yum-4.2.17-6.el8.noarch.rpm 4.3 MB/s | 193 kB 00:00
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Total 6.8 MB/s | 9.4 MB 00:01
Running transaction check
Transaction check succeeded.
Running transaction test
Transaction test succeeded.
Running transaction
Preparing : 1/1
Running scriptlet: libzstd-1.4.2-2.el8.x86_64 1/1
Installing : libzstd-1.4.2-2.el8.x86_64 1/52
Upgrading : librepo-1.11.0-2.el8.x86_64 2/52
Upgrading : device-mapper-libs-8:1.02.169-3.el8.x86_64 3/52
Upgrading : device-mapper-8:1.02.169-3.el8.x86_64 4/52
Upgrading : device-mapper-event-libs-8:1.02.169-3.el8.x86_64 5/52
Upgrading : device-mapper-event-8:1.02.169-3.el8.x86_64 6/52
Running scriptlet: device-mapper-event-8:1.02.169-3.el8.x86_64 6/52
Upgrading : lvm2-libs-8:2.03.08-3.el8.x86_64 7/52
Upgrading : rpm-4.14.2-37.el8.x86_64 8/52
Upgrading : rpm-libs-4.14.2-37.el8.x86_64 9/52
Running scriptlet: rpm-libs-4.14.2-37.el8.x86_64 9/52
Upgrading : libsolv-0.7.7-1.el8.x86_64 10/52
Upgrading : libdnf-0.39.1-5.el8.x86_64 11/52
Upgrading : python3-libdnf-0.39.1-5.el8.x86_64 12/52
Upgrading : python3-hawkey-0.39.1-5.el8.x86_64 13/52
Upgrading : rpm-build-libs-4.14.2-37.el8.x86_64 14/52
Running scriptlet: rpm-build-libs-4.14.2-37.el8.x86_64 14/52
Upgrading : python3-rpm-4.14.2-37.el8.x86_64 15/52
Upgrading : rpm-plugin-systemd-inhibit-4.14.2-37.el8.x86_64 16/52
Upgrading : dnf-data-4.2.17-6.el8.noarch 17/52
Upgrading : python3-dnf-4.2.17-6.el8.noarch 18/52
Upgrading : dnf-4.2.17-6.el8.noarch 19/52
Running scriptlet: dnf-4.2.17-6.el8.noarch 19/52
Upgrading : python3-dnf-plugins-core-4.0.12-3.el8.noarch 20/52
Upgrading : dnf-plugins-core-4.0.12-3.el8.noarch 21/52
Upgrading : device-mapper-persistent-data-0.8.5-3.el8.x86_64 22/52
Upgrading : lvm2-8:2.03.08-3.el8.x86_64 23/52
Running scriptlet: lvm2-8:2.03.08-3.el8.x86_64 23/52
Installing : yum-utils-4.0.12-3.el8.noarch 24/52
Upgrading : yum-4.2.17-6.el8.noarch 25/52
Upgrading : rpm-plugin-selinux-4.14.2-37.el8.x86_64 26/52
Upgrading : python3-librepo-1.11.0-2.el8.x86_64 27/52
Cleanup : yum-4.0.9.2-5.el8.noarch 28/52
Running scriptlet: dnf-4.0.9.2-5.el8.noarch 29/52
Cleanup : dnf-4.0.9.2-5.el8.noarch 29/52
Running scriptlet: dnf-4.0.9.2-5.el8.noarch 29/52
Cleanup : dnf-plugins-core-4.0.2.2-3.el8.noarch 30/52
Running scriptlet: lvm2-8:2.03.02-6.el8.x86_64 31/52
Cleanup : lvm2-8:2.03.02-6.el8.x86_64 31/52
Running scriptlet: lvm2-8:2.03.02-6.el8.x86_64 31/52
Cleanup : lvm2-libs-8:2.03.02-6.el8.x86_64 32/52
Running scriptlet: lvm2-libs-8:2.03.02-6.el8.x86_64 32/52
Running scriptlet: device-mapper-event-8:1.02.155-6.el8.x86_64 33/52
Cleanup : device-mapper-event-8:1.02.155-6.el8.x86_64 33/52
Cleanup : device-mapper-event-libs-8:1.02.155-6.el8.x86_64 34/52
Running scriptlet: device-mapper-event-libs-8:1.02.155-6.el8.x86_64 34/52
Cleanup : rpm-plugin-selinux-4.14.2-9.el8.x86_64 35/52
Cleanup : python3-dnf-plugins-core-4.0.2.2-3.el8.noarch 36/52
Cleanup : python3-dnf-4.0.9.2-5.el8.noarch 37/52
Cleanup : python3-hawkey-0.22.5-4.el8.x86_64 38/52
Cleanup : python3-libdnf-0.22.5-4.el8.x86_64 39/52
Cleanup : libdnf-0.22.5-4.el8.x86_64 40/52
Cleanup : python3-rpm-4.14.2-9.el8.x86_64 41/52
Cleanup : rpm-build-libs-4.14.2-9.el8.x86_64 42/52
Running scriptlet: rpm-build-libs-4.14.2-9.el8.x86_64 42/52
Cleanup : rpm-plugin-systemd-inhibit-4.14.2-9.el8.x86_64 43/52
Cleanup : libsolv-0.6.35-6.el8.x86_64 44/52
Cleanup : python3-librepo-1.9.2-1.el8.x86_64 45/52
Cleanup : rpm-4.14.2-9.el8.x86_64 46/52
Cleanup : rpm-libs-4.14.2-9.el8.x86_64 47/52
Running scriptlet: rpm-libs-4.14.2-9.el8.x86_64 47/52
Cleanup : device-mapper-libs-8:1.02.155-6.el8.x86_64 48/52
Running scriptlet: device-mapper-libs-8:1.02.155-6.el8.x86_64 48/52
Cleanup : device-mapper-8:1.02.155-6.el8.x86_64 49/52
Cleanup : dnf-data-4.0.9.2-5.el8.noarch 50/52
Cleanup : librepo-1.9.2-1.el8.x86_64 51/52
Cleanup : device-mapper-persistent-data-0.7.6-1.el8.x86_64 52/52
Running scriptlet: device-mapper-persistent-data-0.7.6-1.el8.x86_64 52/52
Verifying : libzstd-1.4.2-2.el8.x86_64 1/52
Verifying : yum-utils-4.0.12-3.el8.noarch 2/52
Verifying : device-mapper-8:1.02.169-3.el8.x86_64 3/52
Verifying : device-mapper-8:1.02.155-6.el8.x86_64 4/52
Verifying : device-mapper-event-8:1.02.169-3.el8.x86_64 5/52
Verifying : device-mapper-event-8:1.02.155-6.el8.x86_64 6/52
Verifying : device-mapper-event-libs-8:1.02.169-3.el8.x86_64 7/52
Verifying : device-mapper-event-libs-8:1.02.155-6.el8.x86_64 8/52
Verifying : device-mapper-libs-8:1.02.169-3.el8.x86_64 9/52
Verifying : device-mapper-libs-8:1.02.155-6.el8.x86_64 10/52
Verifying : device-mapper-persistent-data-0.8.5-3.el8.x86_64 11/52
Verifying : device-mapper-persistent-data-0.7.6-1.el8.x86_64 12/52
Verifying : dnf-4.2.17-6.el8.noarch 13/52
Verifying : dnf-4.0.9.2-5.el8.noarch 14/52
Verifying : dnf-data-4.2.17-6.el8.noarch 15/52
Verifying : dnf-data-4.0.9.2-5.el8.noarch 16/52
Verifying : dnf-plugins-core-4.0.12-3.el8.noarch 17/52
Verifying : dnf-plugins-core-4.0.2.2-3.el8.noarch 18/52
Verifying : libdnf-0.39.1-5.el8.x86_64 19/52
Verifying : libdnf-0.22.5-4.el8.x86_64 20/52
Verifying : librepo-1.11.0-2.el8.x86_64 21/52
Verifying : librepo-1.9.2-1.el8.x86_64 22/52
Verifying : libsolv-0.7.7-1.el8.x86_64 23/52
Verifying : libsolv-0.6.35-6.el8.x86_64 24/52
Verifying : lvm2-8:2.03.08-3.el8.x86_64 25/52
Verifying : lvm2-8:2.03.02-6.el8.x86_64 26/52
Verifying : lvm2-libs-8:2.03.08-3.el8.x86_64 27/52
Verifying : lvm2-libs-8:2.03.02-6.el8.x86_64 28/52
Verifying : python3-dnf-4.2.17-6.el8.noarch 29/52
Verifying : python3-dnf-4.0.9.2-5.el8.noarch 30/52
Verifying : python3-dnf-plugins-core-4.0.12-3.el8.noarch 31/52
Verifying : python3-dnf-plugins-core-4.0.2.2-3.el8.noarch 32/52
Verifying : python3-hawkey-0.39.1-5.el8.x86_64 33/52
Verifying : python3-hawkey-0.22.5-4.el8.x86_64 34/52
Verifying : python3-libdnf-0.39.1-5.el8.x86_64 35/52
Verifying : python3-libdnf-0.22.5-4.el8.x86_64 36/52
Verifying : python3-librepo-1.11.0-2.el8.x86_64 37/52
Verifying : python3-librepo-1.9.2-1.el8.x86_64 38/52
Verifying : python3-rpm-4.14.2-37.el8.x86_64 39/52
Verifying : python3-rpm-4.14.2-9.el8.x86_64 40/52
Verifying : rpm-4.14.2-37.el8.x86_64 41/52
Verifying : rpm-4.14.2-9.el8.x86_64 42/52
Verifying : rpm-build-libs-4.14.2-37.el8.x86_64 43/52
Verifying : rpm-build-libs-4.14.2-9.el8.x86_64 44/52
Verifying : rpm-libs-4.14.2-37.el8.x86_64 45/52
Verifying : rpm-libs-4.14.2-9.el8.x86_64 46/52
Verifying : rpm-plugin-selinux-4.14.2-37.el8.x86_64 47/52
Verifying : rpm-plugin-selinux-4.14.2-9.el8.x86_64 48/52
Verifying : rpm-plugin-systemd-inhibit-4.14.2-37.el8.x86_64 49/52
Verifying : rpm-plugin-systemd-inhibit-4.14.2-9.el8.x86_64 50/52
Verifying : yum-4.2.17-6.el8.noarch 51/52
Verifying : yum-4.0.9.2-5.el8.noarch 52/52
Upgraded:
device-mapper-8:1.02.169-3.el8.x86_64 device-mapper-event-8:1.02.169-3.el8.x86_64 device-mapper-event-libs-8:1.02.169-3.el8.x86_64 device-mapper-libs-8:1.02.169-3.el8.x86_64 device-mapper-persistent-data-0.8.5-3.el8.x86_64
dnf-4.2.17-6.el8.noarch dnf-data-4.2.17-6.el8.noarch dnf-plugins-core-4.0.12-3.el8.noarch libdnf-0.39.1-5.el8.x86_64 librepo-1.11.0-2.el8.x86_64
libsolv-0.7.7-1.el8.x86_64 lvm2-8:2.03.08-3.el8.x86_64 lvm2-libs-8:2.03.08-3.el8.x86_64 python3-dnf-4.2.17-6.el8.noarch python3-dnf-plugins-core-4.0.12-3.el8.noarch
python3-hawkey-0.39.1-5.el8.x86_64 python3-libdnf-0.39.1-5.el8.x86_64 python3-librepo-1.11.0-2.el8.x86_64 python3-rpm-4.14.2-37.el8.x86_64 rpm-4.14.2-37.el8.x86_64
rpm-build-libs-4.14.2-37.el8.x86_64 rpm-libs-4.14.2-37.el8.x86_64 rpm-plugin-selinux-4.14.2-37.el8.x86_64 rpm-plugin-systemd-inhibit-4.14.2-37.el8.x86_64 yum-4.2.17-6.el8.noarch
Installed:
yum-utils-4.0.12-3.el8.noarch libzstd-1.4.2-2.el8.x86_64
Complete!
\2. 安装依赖
sudo yum install -y yum-utils device-mapper-persistent-data lvm2
[root@VM-0-2-centos ~]# sudo yum install -y yum-utils device-mapper-persistent-data lvm2
Last metadata expiration check: 0:00:12 ago on Fri 07 Aug 2020 05:45:55 PM CST.
Package yum-utils-4.0.12-3.el8.noarch is already installed.
Package device-mapper-persistent-data-0.8.5-3.el8.x86_64 is already installed.
Package lvm2-8:2.03.08-3.el8.x86_64 is already installed.
Dependencies resolved.
Nothing to do.
Complete!
[root@VM-0-2-centos ~]# yum-config-manager --add-repo https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
Adding repo from: https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
[root@VM-0-2-centos ~]# yum install docker-ce
Docker CE Stable - x86_64 167 kB/s | 25 kB 00:00
Dependencies resolved.
============================================================================================================================================================================================================================================
Package Architecture Version Repository Size
============================================================================================================================================================================================================================================
Installing:
docker-ce x86_64 3:19.03.12-3.el7 docker-ce-stable 24 M
Installing dependencies:
docker-ce-cli x86_64 1:19.03.12-3.el7 docker-ce-stable 38 M
libcgroup x86_64 0.41-19.el8 BaseOS 70 k
Transaction Summary
============================================================================================================================================================================================================================================
Install 3 Packages
Total download size: 62 M
Installed size: 263 M
Is this ok [y/N]: y
Downloading Packages:
(1/3): libcgroup-0.41-19.el8.x86_64.rpm 278 kB/s | 70 kB 00:00
(2/3): docker-ce-cli-19.03.12-3.el7.x86_64.rpm 9.5 MB/s | 38 MB 00:04
(3/3): docker-ce-19.03.12-3.el7.x86_64.rpm 4.4 MB/s | 24 MB 00:05
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Total 11 MB/s | 62 MB 00:05
warning: /var/cache/dnf/docker-ce-stable-3e5647bf4960c796/packages/docker-ce-19.03.12-3.el7.x86_64.rpm: Header V4 RSA/SHA512 Signature, key ID 621e9f35: NOKEY
Docker CE Stable - x86_64 36 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://mirrors.aliyun.com/docker-ce/linux/centos/gpg
Is this ok [y/N]: y
Key imported successfully
Running transaction check
Transaction check succeeded.
Running transaction test
Transaction test succeeded.
Running transaction
Preparing : 1/1
Installing : docker-ce-cli-1:19.03.12-3.el7.x86_64 1/3
Running scriptlet: docker-ce-cli-1:19.03.12-3.el7.x86_64 1/3
Running scriptlet: libcgroup-0.41-19.el8.x86_64 2/3
Installing : libcgroup-0.41-19.el8.x86_64 2/3
Running scriptlet: libcgroup-0.41-19.el8.x86_64 2/3
Installing : docker-ce-3:19.03.12-3.el7.x86_64 3/3
Running scriptlet: docker-ce-3:19.03.12-3.el7.x86_64 3/3
Verifying : libcgroup-0.41-19.el8.x86_64 1/3
Verifying : docker-ce-3:19.03.12-3.el7.x86_64 2/3
Verifying : docker-ce-cli-1:19.03.12-3.el7.x86_64 3/3
Installed:
docker-ce-3:19.03.12-3.el7.x86_64 docker-ce-cli-1:19.03.12-3.el7.x86_64 libcgroup-0.41-19.el8.x86_64
Complete!
检查版本
[root@VM-0-2-centos ~]# docker -v
Docker version 19.03.12, build 48a66213fe
启动docker
[root@VM-0-2-centos ~]# systemctl start docker
[root@VM-0-2-centos ~]# systemctl status docker
鈼[0m docker.service - Docker Application Container Engine
Loaded: loaded (/usr/lib/systemd/system/docker.service; disabled; vendor preset: disabled)
Active: active (running) since Fri 2020-08-07 17:48:25 CST; 6s ago
Docs: https://docs.docker.com
Main PID: 31857 (dockerd)
Tasks: 8
Memory: 42.0M
CGroup: /system.slice/docker.service
鈹斺攢31857 /usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock
Aug 07 17:48:25 VM-0-2-centos dockerd[31857]: time="2020-08-07T17:48:25.158402699+08:00" level=info msg="ClientConn switching balancer to \"pick_first\"" module=grpc
Aug 07 17:48:25 VM-0-2-centos dockerd[31857]: time="2020-08-07T17:48:25.244449414+08:00" level=warning msg="Your kernel does not support cgroup blkio weight"
Aug 07 17:48:25 VM-0-2-centos dockerd[31857]: time="2020-08-07T17:48:25.244472668+08:00" level=warning msg="Your kernel does not support cgroup blkio weight_device"
Aug 07 17:48:25 VM-0-2-centos dockerd[31857]: time="2020-08-07T17:48:25.244578325+08:00" level=info msg="Loading containers: start."
Aug 07 17:48:25 VM-0-2-centos dockerd[31857]: time="2020-08-07T17:48:25.404514975+08:00" 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 preferred IP addre>
Aug 07 17:48:25 VM-0-2-centos dockerd[31857]: time="2020-08-07T17:48:25.505130171+08:00" level=info msg="Loading containers: done."
Aug 07 17:48:25 VM-0-2-centos dockerd[31857]: time="2020-08-07T17:48:25.538967372+08:00" level=info msg="Docker daemon" commit=48a66213fe graphdriver(s)=overlay2 version=19.03.12
Aug 07 17:48:25 VM-0-2-centos dockerd[31857]: time="2020-08-07T17:48:25.539052551+08:00" level=info msg="Daemon has completed initialization"
Aug 07 17:48:25 VM-0-2-centos dockerd[31857]: time="2020-08-07T17:48:25.596654279+08:00" level=info msg="API listen on /var/run/docker.sock"
Aug 07 17:48:25 VM-0-2-centos systemd[1]: Started Docker Application Container Engine.
lines 1-20/20 (END)
[root@VM-0-2-centos ~]#
[root@VM-0-2-centos ~]#
[root@VM-0-2-centos ~]#
[root@VM-0-2-centos ~]#
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