CentOS 7.5安装Docker最新版

  1. 下载yum源
    curl http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo -o /etc/yum.repos.d/docker-ce.repo
    wget -O /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-7.repo
    curl -o /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo

  2. 升级内核版本
    yum upgrade -y
      升级之前的内核版本:
        [root@docker ~]# uname -a
       Linux docker 3.10.0-862.el7.x86_64 #1 SMP Fri Apr 20 16:44:24 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
      升级之后的内核版本:
       [root@docker ~]# uname -r
       3.10.0-1127.13.1.el7.x86_64

  3. 加载防火墙模块,开启路由转发
    [root@docker ~]# modprobe br_netfilter
    [root@docker ~]# vim /etc/sysctl.conf
    net.ipv4.ip_forward = 1
    net.bridge.bridge-nf-call-ip6tables = 1
    net.bridge.bridge-nf-call-iptables = 1
    [root@docker ~]# sysctl -p

  4. 安装依赖包
    yum install -y yum-utils device-mapper-persistent-data lvm2

  5. 安装docker-ce
    yum install -y docker-ce

  6. 启动Docker服务
    systemctl enable docker
    systemctl start docker
    [root@docker ~]# docker --version
    Docker version 19.03.12, build 48a66213fe

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转载自blog.csdn.net/qq_44788449/article/details/107105656