-
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 -
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 -
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 -
安装依赖包
yum install -y yum-utils device-mapper-persistent-data lvm2 -
安装docker-ce
yum install -y docker-ce -
启动Docker服务
systemctl enable docker
systemctl start docker
[root@docker ~]# docker --version
Docker version 19.03.12, build 48a66213fe
CentOS 7.5安装Docker最新版
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