操作系统版本：CentOS Linux release 7.5.1804 (Core)
Docker软件版本：docker 18.09.3
下载相关安装包注意：下载安装包时需仔细核对与操作系统版本是否匹配除docker-ce外的所有安装包均可在如下网站搜索下载：http://rpm.pbone.net/index.php3下载docker-ce：curl -O https://download.docker.com/linux/centos/7/x86_64/stable/Packages/docker-ce-18.09.3-3.el7.x86_64.rpm下载containerd.io：curl -O https://download.docker.com/linux/centos/7/x86_64/stable/Packages/containerd.io-1.2.2-3.el7.x86_64.rpm下载docker-ce-cli：curl -O https://download.docker.com/linux/centos/7/x86_64/stable/Packages/docker-ce-cli-18.09.3-3.el7.x86_64.rpm下载container-selinux：curl -O http://mirror.centos.org/centos/7/extras/x86_64/Packages/container-selinux-2.68-1.el7.noarch.rpm下载audit-libs-python:curl -O ftp://ftp.icm.edu.pl/vol/rzm6/linux-centos-vault/7.4.1708/cr/x86_64/Packages/audit-libs-python-2.8.1-3.el7.x86_64.rpm下载libtool-ltdl：curl -O ftp://ftp.icm.edu.pl/vol/rzm6/linux-centos-vault/7.3.1611/updates/x86_64/Packages/libtool-ltdl-2.4.2-22.el7_3.x86_64.rpm下载policycoreutils-python：curl -O ftp://ftp.icm.edu.pl/vol/rzm3/linux-slc/centos/7.5.1804/os/x86_64/Packages/policycoreutils-python-2.5-22.el7.x86_64.rpm下载checkpolicy:curl -O ftp://ftp.icm.edu.pl/vol/rzm3/linux-slc/centos/7.1.1503/updates/x86_64/Packages/checkpolicy-2.5-6.el7.x86_64.rpm下载libcgroup:curl -O ftp://ftp.icm.edu.pl/vol/rzm3/linux-slc/centos/7.4.1708/cr/x86_64/Packages/libcgroup-0.41-15.el7.x86_64.rpm下载libsemanage-python:curl -O ftp://ftp.icm.edu.pl/vol/rzm3/linux-slc/centos/7.5.1804/os/x86_64/Packages/libsemanage-python-2.5-11.el7.x86_64.rpm下载python-IPy：curl -O ftp://ftp.icm.edu.pl/vol/rzm6/linux-centos-vault/7.5.1804/os/x86_64/Packages/python-IPy-0.75-6.el7.noarch.rpm下载setools-libs:curl -O ftp://ftp.icm.edu.pl/vol/rzm6/linux-centos-vault/7.5.1804/os/x86_64/Packages/setools-libs-3.3.8-2.el7.x86_64.rpm下载libseccomp:curl -O ftp://ftp.icm.edu.pl/vol/rzm3/linux-slc/centos/7.5.1804/os/x86_64/Packages/libseccomp-2.3.1-3.el7.x86_64.rpm
请按如下顺序安装依赖包：rpm -ivh libtool-ltdl-2.4.2-22.el7_3.x86_64.rpm#一般会提示该包已安装，但保险起见最好还是安装一遍rpm -ivh audit-libs-python-2.8.1-3.el7.x86_64.rpmrpm -ivh libcgroup-0.41-15.el7.x86_64.rpmrpm -ivh libsemanage-python-2.5-11.el7.x86_64.rpmrpm -ivh checkpolicy-2.5-6.el7.x86_64.rpmrpm -ivh python-IPy-0.75-6.el7.noarch.rpmrpm -ivh setools-libs-3.3.8-2.el7.x86_64.rpmrpm -ivh policycoreutils-python-2.5-22.el7.x86_64.rpmrpm -ivh container-selinux-2.68-1.el7.noarch.rpmrpm -ivh libseccomp-2.3.1-3.el7.x86_64.rpmrpm -ivh containerd.io-1.2.2-3.el7.x86_64.rpmrpm -ivh docker-ce-cli-18.09.3-3.el7.x86_64.rpmrpm -ivh docker-ce-18.09.3-3.el7.x86_64.rpm
启动并验证docker是否安装成功#启动dockersystemctl daemon-reload && systemctl restart docker#设置开机启动systemctl enable docker.service#验证dockerdocker version