系统环境Centos7最小化安装,配置静态IP可以PING通外网,DNS未配置
#!/bin/bash
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function shutdown_selinux_firewalld(){
sed -i 's/SELINUX=enforcing/SELINUX=disabled/g' /etc/selinux/config
cat /etc/selinux/config|grep =|grep disabled
sed -i '/$/a\nameserver 114.114.114.114\nnameserver 221.228.255.1' /etc/resolv.conf
ping -c 4 www.baidu.com
systemctl stop firewalld
systemctl disable firewalld
systemctl status firewalld
}
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function change_yum_repo(){
yum install -y yum-utils
mkdir /etc/yum.repos.d/repod.bak
mv /etc/yum.repos.d/*.repo /etc/yum.repos.d/repod.bak
cd /etc/yum.repos.d/
yum-config-manager --add-repo http://mirrors.aliyun.com/repo/Centos-7.repo
yum-config-manager --add-repo http://mirrors.163.com/.help/CentOS7-Base-163.repo
yum-config-manager --add-repo http://mirrors.aliyun.com/repo/epel-7.repo
yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
yum clean all
yum makecache
yum list | grep epel-release
yum install -y epel-release
yum clean all
yum makecache
yum repolist enabled
yum repolist all
yum install -y tree vim wget net-tools
}
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function install_docker_ce(){
yum remove docker docker-client docker-client-latest docker-common docker-latest docker-latest-logrotate docker-logrotate docker-selinux docker-engine-selinux docker-engine
yum install -y device-mapper-persistent-data lvm2
yum install -y iptables-services
systemctl enable iptables
systemctl start iptables
yum install docker-ce -y
systemctl enable docker
systemctl start docker
systemctl status iptables
systemctl status docker
echo -e "{\n\t\"registry-mirrors\": [ \"https://registry.docker-cn.com\" ]\n}" >/etc/docker/daemon.json
docker pull hello-world
docker run hello-world
}
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shutdown_selinux_firewalld
change_yum_repo
install_docker_ce
可以查看所有仓库中所有docker版本,并选择特定版本安装
$ yum list docker-ce --showduplicates | sort -r