文档：
https://docs.docker.com/engine/install/centos/
[vagrant@localhost ~]$ sudo yum remove docker \
> docker-client \
> docker-client-latest \
> docker-common \
> docker-latest \
> docker-latest-logrotate \
> docker-logrotate \
> docker-engine；
Loaded plugins: fastestmirror
No Match for argument: docker
No Match for argument: docker-client
No Match for argument: docker-client-latest
No Match for argument: docker-common
No Match for argument: docker-latest
No Match for argument: docker-latest-logrotate
No Match for argument: docker-logrotate
No Match for argument: docker-engine；
No Packages marked for removal
[vagrant@localhost ~]$ sudo yum install -y yum-utils
Loaded plugins: fastestmirror
Determining fastest mirrors
* base: mirrors.neusoft.edu.cn
* extras: mirrors.neusoft.edu.cn
* updates: mirrors.neusoft.edu.cn
base | 3.6 kB 00:00:00
extras | 2.9 kB 00:00:00
updates | 2.9 kB 00:00:00
(1/4): extras/7/x86_64/primary_db | 222 kB 00:00:01
(2/4): base/7/x86_64/group_gz | 153 kB 00:00:01
(3/4): base/7/x86_64/primary_db | 6.1 MB 00:00:01
(4/4): updates/7/x86_64/primary_db | 4.7 MB 00:00:15
Resolving Dependencies
--> Running transaction check
---> Package yum-utils.noarch 0:1.1.31-53.el7 will be updated
---> Package yum-utils.noarch 0:1.1.31-54.el7_8 will be an update
--> Finished Dependency Resolution
Dependencies Resolved
=======================================================================================================
Package Arch Version Repository Size
=======================================================================================================
Updating:
yum-utils noarch 1.1.31-54.el7_8 base 122 k
Transaction Summary
=======================================================================================================
Upgrade 1 Package
Total download size: 122 k
Downloading packages:
No Presto metadata available for base
warning: /var/cache/yum/x86_64/7/base/packages/yum-utils-1.1.31-54.el7_8.noarch.rpm: Header V3 RSA/SHA256 Signature, key ID f4a80eb5: NOKEY
Public key for yum-utils-1.1.31-54.el7_8.noarch.rpm is not installed
yum-utils-1.1.31-54.el7_8.noarch.rpm | 122 kB 00:00:00
Retrieving key from file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
Importing GPG key 0xF4A80EB5:
Userid : "CentOS-7 Key (CentOS 7 Official Signing Key) <security@centos.org>"
Fingerprint: 6341 ab27 53d7 8a78 a7c2 7bb1 24c6 a8a7 f4a8 0eb5
Package : centos-release-7-8.2003.0.el7.centos.x86_64 (@anaconda)
From : /etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
Updating : yum-utils-1.1.31-54.el7_8.noarch 1/2
Cleanup : yum-utils-1.1.31-53.el7.noarch 2/2
Verifying : yum-utils-1.1.31-54.el7_8.noarch 1/2
Verifying : yum-utils-1.1.31-53.el7.noarch 2/2
Updated:
yum-utils.noarch 0:1.1.31-54.el7_8
Complete!
[vagrant@localhost ~]$ sudo yum install -y yum-utils
Loaded plugins: fastestmirror
Bad id for repo: download.docker.com_linux_centos_docker-ce.repo;, byte = ; 47
Loading mirror speeds from cached hostfile
* base: mirrors.neusoft.edu.cn
* extras: mirrors.neusoft.edu.cn
* updates: mirrors.neusoft.edu.cn
Package yum-utils-1.1.31-54.el7_8.noarch already installed and latest version
Nothing to do
[vagrant@localhost ~]$ sudo yum-config-manager \
> --add-repo \
> https://download.docker.com/linux/centos/docker-ce.repo
Loaded plugins: fastestmirror
Bad id for repo: download.docker.com_linux_centos_docker-ce.repo;, byte = ; 47
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
[vagrant@localhost ~]$ sudo yum install docker-ce docker-ce-cli containerd.io
Loaded plugins: fastestmirror
Bad id for repo: download.docker.com_linux_centos_docker-ce.repo;, byte = ; 47
Loading mirror speeds from cached hostfile
* base: mirrors.neusoft.edu.cn
* extras: mirrors.neusoft.edu.cn
* updates: mirrors.neusoft.edu.cn
docker-ce-stable | 3.5 kB 00:00:00
(1/2): docker-ce-stable/7/x86_64/updateinfo | 55 B 00:00:00
(2/2): docker-ce-stable/7/x86_64/primary_db | 52 kB 00:00:01
Resolving Dependencies
--> Running transaction check
---> Package containerd.io.x86_64 0:1.4.3-3.1.el7 will be installed
--> Processing Dependency: container-selinux >= 2:2.74 for package: containerd.io-1.4.3-3.1.el7.x86_64
---> Package docker-ce.x86_64 3:20.10.2-3.el7 will be installed
--> Processing Dependency: docker-ce-rootless-extras for package: 3:docker-ce-20.10.2-3.el7.x86_64
--> Processing Dependency: libcgroup for package: 3:docker-ce-20.10.2-3.el7.x86_64
---> Package docker-ce-cli.x86_64 1:20.10.2-3.el7 will be installed
--> Running transaction check
---> Package container-selinux.noarch 2:2.119.2-1.911c772.el7_8 will be installed
--> Processing Dependency: policycoreutils-python for package: 2:container-selinux-2.119.2-1.911c772.el7_8.noarch
---> Package docker-ce-rootless-extras.x86_64 0:20.10.2-3.el7 will be installed
--> Processing Dependency: fuse-overlayfs >= 0.7 for package: docker-ce-rootless-extras-20.10.2-3.el7.x86_64
--> Processing Dependency: slirp4netns >= 0.4 for package: docker-ce-rootless-extras-20.10.2-3.el7.x86_64
---> Package libcgroup.x86_64 0:0.41-21.el7 will be installed
--> Running transaction check
---> Package fuse-overlayfs.x86_64 0:0.7.2-6.el7_8 will be installed
--> Processing Dependency: libfuse3.so.3(FUSE_3.2)(64bit) for package: fuse-overlayfs-0.7.2-6.el7_8.x86_64
--> Processing Dependency: libfuse3.so.3(FUSE_3.0)(64bit) for package: fuse-overlayfs-0.7.2-6.el7_8.x86_64
--> Processing Dependency: libfuse3.so.3()(64bit) for package: fuse-overlayfs-0.7.2-6.el7_8.x86_64
---> Package policycoreutils-python.x86_64 0:2.5-34.el7 will be installed
--> Processing Dependency: setools-libs >= 3.3.8-4 for package: policycoreutils-python-2.5-34.el7.x86_64
--> Processing Dependency: libsemanage-python >= 2.5-14 for package: policycoreutils-python-2.5-34.el7.x86_64
--> Processing Dependency: audit-libs-python >= 2.1.3-4 for package: policycoreutils-python-2.5-34.el7.x86_64
--> Processing Dependency: python-IPy for package: policycoreutils-python-2.5-34.el7.x86_64
--> Processing Dependency: libqpol.so.1(VERS_1.4)(64bit) for package: policycoreutils-python-2.5-34.el7.x86_64
--> Processing Dependency: libqpol.so.1(VERS_1.2)(64bit) for package: policycoreutils-python-2.5-34.el7.x86_64
--> Processing Dependency: libapol.so.4(VERS_4.0)(64bit) for package: policycoreutils-python-2.5-34.el7.x86_64
--> Processing Dependency: checkpolicy for package: policycoreutils-python-2.5-34.el7.x86_64
--> Processing Dependency: libqpol.so.1()(64bit) for package: policycoreutils-python-2.5-34.el7.x86_64
--> Processing Dependency: libapol.so.4()(64bit) for package: policycoreutils-python-2.5-34.el7.x86_64
---> Package slirp4netns.x86_64 0:0.4.3-4.el7_8 will be installed
--> 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 fuse3-libs.x86_64 0:3.6.1-4.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 1.4.3-3.1.el7 docker-ce-stable 33 M
docker-ce x86_64 3:20.10.2-3.el7 docker-ce-stable 27 M
docker-ce-cli x86_64 1:20.10.2-3.el7 docker-ce-stable 33 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 2:2.119.2-1.911c772.el7_8 extras 40 k
docker-ce-rootless-extras x86_64 20.10.2-3.el7 docker-ce-stable 9.0 M
fuse-overlayfs x86_64 0.7.2-6.el7_8 extras 54 k
fuse3-libs x86_64 3.6.1-4.el7 extras 82 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 2.5-34.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
slirp4netns x86_64 0.4.3-4.el7_8 extras 81 k
Transaction Summary
=======================================================================================================
Install 3 Packages (+12 Dependent packages)
Total download size: 104 M
Installed size: 428 M
Is this ok [y/d/N]: y
Downloading packages:
(1/15): audit-libs-python-2.8.5-4.el7.x86_64.rpm | 76 kB 00:00:00
(2/15): container-selinux-2.119.2-1.911c772.el7_8.noarch.rpm | 40 kB 00:00:00
(3/15): checkpolicy-2.5-8.el7.x86_64.rpm | 295 kB 00:00:00
warning: /var/cache/yum/x86_64/7/docker-ce-stable/packages/docker-ce-20.10.2-3.el7.x86_64.rpm: Header V4 RSA/SHA512 Signature, key ID 621e9f35: NOKEY
Public key for docker-ce-20.10.2-3.el7.x86_64.rpm is not installed
(4/15): docker-ce-20.10.2-3.el7.x86_64.rpm | 27 MB 00:00:06
(5/15): docker-ce-cli-20.10.2-3.el7.x86_64.rpm | 33 MB 00:00:07
(6/15): fuse-overlayfs-0.7.2-6.el7_8.x86_64.rpm | 54 kB 00:00:00
(7/15): libsemanage-python-2.5-14.el7.x86_64.rpm | 113 kB 00:00:00
(8/15): policycoreutils-python-2.5-34.el7.x86_64.rpm | 457 kB 00:00:00
(9/15): python-IPy-0.75-6.el7.noarch.rpm | 32 kB 00:00:00
(10/15): libcgroup-0.41-21.el7.x86_64.rpm | 66 kB 00:00:00
(11/15): fuse3-libs-3.6.1-4.el7.x86_64.rpm | 82 kB 00:00:01
(12/15): slirp4netns-0.4.3-4.el7_8.x86_64.rpm | 81 kB 00:00:00
(13/15): setools-libs-3.3.8-4.el7.x86_64.rpm | 620 kB 00:00:01
(14/15): docker-ce-rootless-extras-20.10.2-3.el7.x86_64.rpm | 9.0 MB 00:00:02
containerd.io-1.4.3-3.1.el7.x8 FAILED | 72 MB 4154:57:46 ETA
https://download.docker.com/linux/centos/7/x86_64/stable/Packages/containerd.io-1.4.3-3.1.el7.x86_64.rpm: [Errno 12] Timeout on https://download.docker.com/linux/centos/7/x86_64/stable/Packages/containerd.io-1.4.3-3.1.el7.x86_64.rpm: (28, 'Operation too slow. Less than 1000 bytes/sec transferred the last 30 seconds')
Trying other mirror.
(15/15): containerd.io-1.4.3-3.1.el7.x86_64.rpm | 33 MB 00:00:06
-------------------------------------------------------------------------------------------------------
Total 1.0 MB/s | 104 MB 00:01:39
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
Is this ok [y/N]: y
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
Installing : libcgroup-0.41-21.el7.x86_64 1/15
Installing : setools-libs-3.3.8-4.el7.x86_64 2/15
Installing : audit-libs-python-2.8.5-4.el7.x86_64 3/15
Installing : python-IPy-0.75-6.el7.noarch 4/15
Installing : slirp4netns-0.4.3-4.el7_8.x86_64 5/15
Installing : 1:docker-ce-cli-20.10.2-3.el7.x86_64 6/15
Installing : checkpolicy-2.5-8.el7.x86_64 7/15
Installing : fuse3-libs-3.6.1-4.el7.x86_64 8/15
Installing : fuse-overlayfs-0.7.2-6.el7_8.x86_64 9/15
Installing : libsemanage-python-2.5-14.el7.x86_64 10/15
Installing : policycoreutils-python-2.5-34.el7.x86_64 11/15
Installing : 2:container-selinux-2.119.2-1.911c772.el7_8.noarch 12/15
Installing : containerd.io-1.4.3-3.1.el7.x86_64 13/15
Installing : docker-ce-rootless-extras-20.10.2-3.el7.x86_64 14/15
Installing : 3:docker-ce-20.10.2-3.el7.x86_64 15/15
Verifying : libsemanage-python-2.5-14.el7.x86_64 1/15
Verifying : fuse3-libs-3.6.1-4.el7.x86_64 2/15
Verifying : 3:docker-ce-20.10.2-3.el7.x86_64 3/15
Verifying : checkpolicy-2.5-8.el7.x86_64 4/15
Verifying : fuse-overlayfs-0.7.2-6.el7_8.x86_64 5/15
Verifying : 1:docker-ce-cli-20.10.2-3.el7.x86_64 6/15
Verifying : slirp4netns-0.4.3-4.el7_8.x86_64 7/15
Verifying : 2:container-selinux-2.119.2-1.911c772.el7_8.noarch 8/15
Verifying : python-IPy-0.75-6.el7.noarch 9/15
Verifying : containerd.io-1.4.3-3.1.el7.x86_64 10/15
Verifying : docker-ce-rootless-extras-20.10.2-3.el7.x86_64 11/15
Verifying : policycoreutils-python-2.5-34.el7.x86_64 12/15
Verifying : audit-libs-python-2.8.5-4.el7.x86_64 13/15
Verifying : setools-libs-3.3.8-4.el7.x86_64 14/15
Verifying : libcgroup-0.41-21.el7.x86_64 15/15
Installed:
containerd.io.x86_64 0:1.4.3-3.1.el7 docker-ce.x86_64 3:20.10.2-3.el7
docker-ce-cli.x86_64 1:20.10.2-3.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 2:2.119.2-1.911c772.el7_8 docker-ce-rootless-extras.x86_64 0:20.10.2-3.el7
fuse-overlayfs.x86_64 0:0.7.2-6.el7_8 fuse3-libs.x86_64 0:3.6.1-4.el7
libcgroup.x86_64 0:0.41-21.el7 libsemanage-python.x86_64 0:2.5-14.el7
policycoreutils-python.x86_64 0:2.5-34.el7 python-IPy.noarch 0:0.75-6.el7
setools-libs.x86_64 0:3.3.8-4.el7 slirp4netns.x86_64 0:0.4.3-4.el7_8
Complete!
[vagrant@localhost ~]$ sudo systemctl start docker
[vagrant@localhost ~]$ docker -v
Docker version 20.10.2, build 2291f61
[vagrant@localhost ~]$ docker images
Got permission denied while trying to connect to the Docker daemon socket at unix:///var/run/docker.sock: Get http://%2Fvar%2Frun%2Fdocker.sock/v1.24/images/json: dial unix /var/run/docker.sock: connect: permission denied
[vagrant@localhost ~]$ sudo systemctl enable docker
Created symlink from /etc/systemd/system/multi-user.target.wants/docker.service to /usr/lib/systemd/system/docker.service.
[vagrant@localhost ~]$
