Dokcer-ce安装脚本

安装docker

 #!/bin/bash
 # coding: utf-
 # Copyright (c)
 set -e #返回值为0时，退出脚本
 echo "1. 备份yum"
 {
 for i in /etc/yum.repos.d/*.repo;do cp $i ${i%.repo}.bak;done
 rm -rf /etc/yum.repos.d/*.repo
 } || {
 echo "备份出错，请手动执行"
 exit 1
 }

 echo "2. 获取网络yum"
 {
 wget -P /etc/yum.repos.d/ http://mirrors.aliyun.com/repo/Centos-7.repo >/dev/null 2>&1
 wget -P /etc/yum.repos.d/ http://mirrors.163.com/.help/CentOS7-Base-163.repo >/dev/null 2>&1
 yum clean >/dev/null 2>&1
 yum repolist >/dev/null 2>&1
 } || {
 echo "获取出错，请手动执行"
 exit 1
 }

 echo "3. 安装docker-ce......"
 {
 yum -y install yum-utils >/dev/null 2>&1
 yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo >/dev/null 2>&1
 yum clean >/dev/null 2>&1
 yum repolist >/dev/null 2>&1
 yum -y install epel-release docker-ce >/dev/null 2>&1
 } || {
 echo "安装出错，请手动安装"
 exit 1
 }

 systemctl start docker >/dev/null 2>&1
 systemctl enable docker >/dev/null 2>&1

 echo "4. 添加内和参数"
 {
 cat <<EOF>> /etc/sysctl.conf
 net.bridge.bridge-nf-call-ip6tables = 1
 net.bridge.bridge-nf-call-iptables = 1
 EOF
 sysctl -p >/dev/null 2>&1
 }

 echo "5. 添加镜像加速"
 {
 cat <<EOF>> /etc/docker/daemon.json
 {
 "registry-mirrors": [
 "https://registry.docker-cn.com"
 ]
 }
 EOF
 }

 systemctl daemon-reload >/dev/null 2>&1
 systemctl restart docker >/dev/null 2>&1

 rm -rf ./*.sh