docker install on centos 7

## remove docker

[root@superset ~]# yum remove docker \ > docker-client \ > docker-client-latest \ > docker-common \ > docker-latest \ > docker-latest-logrotate \ > docker-logrotate \ > docker-engine Loaded plugins: fastestmirror, langpacks 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 [root@superset ~]#

## prepare

[root@superset ~]# yum install -y yum-utils Loaded plugins: fastestmirror, langpacks Loading mirror speeds from cached hostfile * base: mirror.kakao.com * extras: mirror.kakao.com * updates: mirror.kakao.com 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 size: 122 k Downloading packages: 경고: /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 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! [root@superset ~]# 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@superset ~]# 

## install docker

[root@superset ~]# yum install docker-ce docker-ce-cli containerd.io Loaded plugins: fastestmirror, langpacks Loading mirror speeds from cached hostfile * base: mirror.kakao.com * extras: mirror.kakao.com * updates: mirror.kakao.com Resolving Dependencies --> Running transaction check ---> Package containerd.io.x86_64 0:1.4.11-3.1.el7 will be installed --> Processing Dependency: container-selinux >= 2:2.74 for package: containerd.io-1.4.11-3.1.el7.x86_64 ---> Package docker-ce.x86_64 3:20.10.9-3.el7 will be installed --> Processing Dependency: docker-ce-rootless-extras for package: 3:docker-ce-20.10.9-3.el7.x86_64 ---> Package docker-ce-cli.x86_64 1:20.10.9-3.el7 will be installed --> Processing Dependency: docker-scan-plugin(x86-64) for package: 1:docker-ce-cli-20.10.9-3.el7.x86_64 --> Running transaction check 

Installed: containerd.io.x86_64 0:1.4.11-3.1.el7 docker-ce.x86_64 3:20.10.9-3.el7 docker-ce-cli.x86_64 1:20.10.9-3.el7 Dependency Installed: container-selinux.noarch 2:2.119.2-1.911c772.el7_8 docker-ce-rootless-extras.x86_64 0:20.10.9-3.el7 docker-scan-plugin.x86_64 0:0.8.0-3.el7 fuse-overlayfs.x86_64 0:0.7.2-6.el7_8 fuse3-libs.x86_64 0:3.6.1-4.el7 slirp4netns.x86_64 0:0.4.3-4.el7_8 Complete! [root@superset ~]# 

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## start docker

[root@superset ~]# systemctl start docker [root@superset ~]# 

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