本文档详细介绍了Docker实战之CentOS7系统环境配置，为后期安装Docker做准备。0优化环境直接复制下面代码优化环境。如果执行了代码，后面的1、2就不用操作了。sed-i's/SELINUX=enforcing/SELINUX=disabled/'/etc/selinux/config&>/dev/nullsetenforce0systemctl停止firewalldsystemctl禁用firewalldiptables-Fsystemctl停止NetworkManager&>/dev/nullsystemctl禁用NetworkManager&>/dev/null1关闭SELinux和防火墙[root@Docker]#vim/etc/selinux/configSELINUX=disabled[root@Docker]#setenforce0[root@Docker]#getenforcePermissive2关闭Firewalld和iptables[root@Docker]#systemctlstopfirewalld[root@Docker]#systemctldisablefirewalld[root@Docker]#systemctlstatusfirewalld[root@Docker]#iptables-F3配置yum源[root@Docker]#mv/etc/yum.repos.d/Cent*/tmp[root@Docker]#vim/etc/yum.repos.d/CentOS7.repo[aliyun-os]name=aliyun-osbaseurl=https://mirrors.aliyun.com/ce...enabled=1gpgcheck=0[aliyun-epel]name=aliyun-epelbaseurl=https://mirrors.aliyun.com/ep...enabled=1gpgcheck=0[aliyun-extra]name=aliyun-extrabaseurl=https://mirrors.aliyun.com/ce...enabled=1gpgcheck=0[root@Docker]#yumcleanall&&yummakecache添加epel源[root@Docker]#yuminstallepel-release-y添加docker-ce源[root@Docker]#yuminstall-yyum-utils[root@Docker]#yum-config-manager--add-repohttp://mirrors.aliyun.com/doc...[root@Docker]#cat/etc/yum.repos.d/docker-ce.repo[docker-ce-stable]name=DockerCE稳定版-$basearchbaseurl=https://mirrors.aliyun.com/do...$basearch/stableenabled=1gpgcheck=1gpgkey=https://mirrors.aliyun.com/do...[docker-ce-stable-debuginfo]name=DockerCEStable-Debuginfo$basearchbaseurl=https://mirrors.aliyun.com/do...$basearch/stableenabled=0gpgcheck=1gpgkey=https://mirrors.aliyun.com/do...[docker-ce-stable-source]name=DockerCEStable-Sourcesbaseurl=https://mirrors.aliyun.com/do...enabled=0gpgcheck=1gpgkey=https://mirrors.aliyun.com/do...[docker-ce-edge]name=DockerCEEdge-$basearchbaseurl=https://mirrors.aliyun.com/do...$basearch/edgeenabled=0gpgcheck=1gpgkey=https://mirrors.aliyun.com/do...[docker-ce-edge-debuginfo]name=DockerCEEdge-调试信息$basearchbaseurl=https://mirrors.aliyun.com/do...$basearch/edgeenabled=0gpgcheck=1gpgkey=https://mirrors.aliyun.com/do...[docker-ce-edge-source]name=DockerCEEdge-Sourcesbaseurl=https://mirrors.aliyun.com/do...enabled=0gpgcheck=1gpgkey=https://mirrors.aliyun.com/do...[docker-ce-test]name=DockerCE测试-$basearchbaseurl=https://mirrors.aliyun.com/do...$basearch/testenabled=0gpgcheck=1gpgkey=https://mirrors.aliyun.com/do...[docker-ce-test-debuginfo]name=DockerCE测试-Debuginfo$basearchbaseurl=https://mirrors.aliyun.com/do...$basearch/testenabled=0gpgcheck=1gpgkey=https://mirrors.aliyun.com/do...[docker-ce-test-source]name=DockerCE测试-Sourcesbaseurl=https://mirrors.aliyun.com/do...enabled=0gpgcheck=1gpgkey=https://mirrors.aliyun.com/do...[docker-ce-nightly]name=DockerCENightly-$basearchbaseurl=https://mirrors.aliyun.com/do...$basearch/nightlyenabled=0gpgcheck=1gpgkey=https://mirrors.aliyun.com/do...[文档ker-ce-nightly-debuginfo]name=DockerCENightly-调试信息$basearchbaseurl=https://mirrors.aliyun.com/do...$basearch/nightlyenabled=0gpgcheck=1gpgkey=https://mirrors.aliyun.com/do...[docker-ce-nightly-source]name=DockerCENightly-Sourcesbaseurl=https://mirrors.aliyun.com/do...enabled=0gpgcheck=1gpgkey=https://mirrors.aliyun.com/do...[root@Docker]#yumcleanall&&yummakecache4配置主机名[root@Docker]#vim/etc/hostnameDocker5配置/etc/hosts[root@Docker]#vim/etc/hosts127.0.0.1localhostlocalhost.localdomainlocalhost4localhostlocaldomain4::1localhostlocalhost.localdomainlocalhost6localhost6.localdomain6192.168.10.7Docker[root@Docker]#ping$HOSTNAME6同步时间[root@Docker]#find/-nameShanghai/usr/share/zoneinfo/Asia/Shanghai/usr/share/zoneinfo/posix/Asia/Shanghai/usr/share/zoneinfo/right/Asia/Shanghai[root@Docker]#cp/usr/share/zoneinfo/Asia/Shanghai/etc/localtimecp:覆盖'/etc/localtime'？y[root@Docker]#yuminstall-yntpntpdate[root@Docker]#systemctlenablentpd[root@Docker]#systemctlstartntpd[root@Docker]#ntpdatecn.pool.ntp.org[root@Docker]#ntpdate0.rhel.pool.ntp.org手动更改时间：date-s"2019-09-0919:19"7配置pip镜像源，方便快速下载python库（这一步很重要）[root@Docker]#mkdir/.pip[root@Docker]#vim/.pip/pip.conf#写入以下内容[global]index-url=http://mirrors.aliyun.com/pyp...[install]trusted-主机=镜像。aliyun.com8配置网卡信息[root@Docker]#vim/etc/sysconfig/network-scripts/ifcfg-ens33TYPE=EthernetPROXY_METHOD=noneBROWSER_ONLY=noBOOTPROTO=staticDEFROUTE=yesIPV4_FAILURE_FATAL=noNAME=ens33DEVICE=ens33ONBOOT=yesIPADDR=192.1WA1Y.192.168.10.2NETMASK=255.255.255.0综上所述，以上操作就是配置CentOS7系统环境的过程，为安装Docker做准备。想看Docker如何安装的朋友请继续关注我的文章，希望我的文章能给大家带来帮助。
