系統環境
- CentOS 7以上(使用
cat /etc/redhat-release
命令查看) - 內核版本不低於3.10(使用
uname -r
命令查看)
卸載舊版本
yum remove docker \
docker-client \
docker-client-latest \
docker-common \
docker-latest \
docker-latest-logrotate \
docker-logrotate \
docker-selinux \
docker-engine-selinux \
docker-engine
使用yum在線安裝Docker
安裝依賴包:
yum install -y yum-utils \
device-mapper-persistent-data \
lvm2
添加軟件源信息:
yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
更新yum緩存:
yum makecache fast
安裝Docker CE:
yum -y install docker-ce
啓動Docker CE
systemctl enable docker # 允許docker開機自啓
systemctl start docker # 啓動docker
鏡像加速
在/etc/docker/daemon.json
中寫入如下內容(文件不存在就創建一個):
{
"registry-mirrors": ["http://hub-mirror.c.163.com"]
}
重新啓動服務:
systemctl daemon-reload
systemctl restart docker
測試運行hello-world
docker run hello-world
安裝Docker-Compose
通過https://github.com/docker/compose/releases找到Docker-Compose的下載命令:
curl -L https://github.com/docker/compose/releases/download/1.25.0-rc2/docker-compose-`uname -s`-`uname -m` -o /usr/local/bin/docker-compose
爲docker-compose添加執行權限:
chmod +x /usr/local/bin/docker-compose