Docker 9步快速安装

1、要先安装docker-ce-selinux-17.03.2.ce，否则安装docker-ce会报错（仅阿里云安装docker前提）

yum install https://download.docker.com/linux/centos/7/x86_64/stable/Packages/docker-ce-selinux-17.03.2.ce-1.el7.centos.noarch.rpm

2、安装依赖

$ sudo yum install -y yum-utils \
device-mapper-persistent-data \
lvm2

3、设置docker源
$sudo yum-config-manager \
--add-repo \
https://download.docker.com/linux/centos/docker-ce.repo

4、启动edge版 docker.repo源

$sudo yum-config-manager --enable docker-ce-edge

5、安装docker-ce版

$sudo yum install docker-ce-17.03.2.ce

6、启动docker

$sudo systemctl start docker

7、设置自动启动

$systemctl enable docker

8、镜像加速配置：

$sudo mkdir -p /etc/docker
$sudo tee /etc/docker/daemon.json <<-'EOF'
{
"registry-mirrors": ["https://088aunhx.mirror.aliyuncs.com"]
}
EOF
sudo systemctl daemon-reload
sudo systemctl restart docker

9、验证：执行hello-world

$docker run hello-world

补充：

调整docker0的网段方式：

sudo systemctl stop docker
通过命令route －n

查看docker0是否存在，若存在需先删除：

sudo ip link del docker0

vi /etc/docker/daemon.json 添加内容 "bip": "ip/netmask" [ 切勿与宿主机同网段 ]

如：{"bip":"172.21.100.1/24"}

Docker日志/垃圾文件清理：

1、执行docker命令：docker system prune

2、清理日志：

#!/bin/sh
echo "==================== start clean docker containers logs =========================="
logs=$(find /var/lib/docker/containers/ -name *-json.log)
for log in $logs
do
echo "clean logs : $log"
cat /dev/null > $log
done
echo "==================== end clean docker containers logs =========================="

docker rm -f -v $(docker ps -aq)

docker volume rm $(docker volume ls)

rm -rf /var/lib/etcd/

docker配置

vi /etc/docker/daemon.sjon

{

"bip":"172.21.100.1/24"
,"insecure-registries":["172.16.101.43:5000","172.16.101.49","docker.jieyue.com"]
,"registry-mirrors": ["http://172.16.101.49","http://docker.jieyue.com","https://088aunhx.mirror.aliyuncs.com"]

,"log-driver": "json-file"
,"log-opts": {
"max-size": "100m",
"max-file": "3"
}
,"max-concurrent-downloads": 10
,"max-concurrent-uploads": 10
,"storage-driver": "overlay2"
,"storage-opts": ["overlay2.override_kernel_check=true"]
}