一、连不上本机网络ping不通红帽8虚拟机。1. 先看虚拟机网络模式虚拟机 → 编辑设置 → 网络适配器→ 选 NAT 模式→ 勾上 已连接2. 重启 VMware 这两个服务宿主机 WinR 输入services.msc找到这两个右键重启VMware NAT ServiceVMware DHCP Service3. 进虚拟机执行这 3 条命令nmcli connection down ens160 nmcli connection up ens160 nmcli connection modify ens160 ipv4.gateway 192.168.175.24. 测试二、虚拟机部署DockerCentOS 7虚拟机。1.卸载旧版yum remove docker \ docker-client \ docker-client-latest \ docker-common \ docker-latest \ docker-latest-logrotate \ docker-logrotate \ docker-engine \ docker-selinux2.配置Docker的yum库CentOS 7 已经停止维护需要把 yum 源换成可用的阿里云 vault 源sed -i s|^mirrorlist|#mirrorlist|g /etc/yum.repos.d/CentOS-Base.repo sed -i s|^#baseurlhttp://mirror.centos.org|baseurlhttps://mirrors.aliyun.com|g /etc/yum.repos.d/CentOS-Base.repo sed -i s|$releasever|7|g /etc/yum.repos.d/CentOS-Base.repoyum makecache然后要安装一个yum工具sudo yum install -y yum-utils device-mapper-persistent-data lvm2安装成功后执行命令配置Docker的yum源已更新为阿里云源sudo yum-config-manager --add-repo https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo sudo sed -i sdownload.docker.commirrors.aliyun.com/docker-ce /etc/yum.repos.d/docker-ce.repo更新yum建立缓存sudo yum makecache fast3.安装Docker最后执行命令安装Dockeryum install -y docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin4.启动和校验# 启动 Docker systemctl start docker # 停止 Docker systemctl stop docker # 重启 systemctl restart docker # 设置开机自启 systemctl enable docker # 执行docker ps命令如果不报错说明安装启动成功 docker ps5.配置镜像加速镜像地址可能会变更如果失效可以百度找最新的docker镜像。配置镜像步骤如下# 创建目录 mkdir -p /etc/docker # 复制内容 tee /etc/docker/daemon.json -EOF { registry-mirrors: [ http://hub-mirror.c.163.com, https://mirrors.tuna.tsinghua.edu.cn, http://mirrors.sohu.com, https://ustc-edu-cn.mirror.aliyuncs.com, https://ccr.ccs.tencentyun.com, https://docker.m.daocloud.io, https://docker.awsl9527.cn ] } EOF # 重新加载配置 systemctl daemon-reload # 重启Docker systemctl restart docker