docker-ce社区版安装:
1、首先卸载以前的docker相关内容
yum remove docker \
docker-client \
docker-client-latest \
docker-common \
docker-latest \
docker-latest-logrotate \
docker-logrotate \
docker-selinux \
docker-engine-selinux \
docker-engine
rm -rf /etc/systemd/system/docker.service.d
rm -rf /var/lib/docker
rm -rf /var/run/docker
安装依赖包
sudo yum install -y yum-utils device-mapper-persistent-data lvm2
有外网的情况添加源信息
sudo yum-config-manager --add-repo https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
yum list docker-ce.x86_64 docker-ce-cli.x86_64 --showduplicates | sort -r | grep 18.09
yum install -y docker-ce-18.09.9 docker-ce-cli-18.09.9 containerd.io
如果是离线安装
https://download.docker.com/ 下载对应版本的rpm包
container-selinux
docker-ce
docker-ci
containerd.io 直接安装就行
安装完成后执行
docker info 查看安装的docker的信息
安装完成后进行常用的配置修改
vim /etc/docker/daemon.json
{
"log-driver": "json-file",
"log-opts": {
"max-size": "100m",
"max-file": "3"
},
"max-concurrent-downloads": 10,
"max-concurrent-uploads": 10,
"bip": "192.168.1.1/24",
"data-root": "/opt/docker/data",
"registry-mirrors": ["https://7bezldxe.mirror.aliyuncs.com"],
"insecure-registries": ["http://10.157.4.125:8888"],
"storage-driver": "overlay2",
"storage-opts": [
"overlay2.override_kernel_check=true"
]
}
#注 如果docker成功登录了私服那么会生成/root/.docker/config.json的文件这就是登陆密钥
批量导出镜像 for i in docker images --format '{{.Repository}}:{{.Tag}}'
;do docker save $i > ./echo $i |sed 's/:/-/g'|sed 's/\//-/g'
.tar.gz ;done