Docker安装等

Docker安装

下载包、解压

https://download.docker.com/linux/static/stable/x86_64/docker-19.03.5.tgz

解压

tar -zxvf docker-19.03.5.tgz

将解压之后的docker文件移到 /usr/bin目录下

sudo cp docker/* /usr/bin/

将docker注册成系统服务

vim /etc/systemd/system/docker.service

[Unit]
Description=Docker Application Container Engine
Documentation=https://docs.docker.com
After=network-online.target firewalld.service
Wants=network-online.target

[Service]
Type=notify
ExecStart=/usr/bin/dockerd
ExecReload=/bin/kill -s HUP $MAINPID
LimitNOFILE=infinity
LimitNPROC=infinity
TimeoutStartSec=0
Delegate=yes
KillMode=process
Restart=on-failure
StartLimitBurst=3
StartLimitInterval=60s

[Install]
WantedBy=multi-user.target

给文件增加可执行权限

chmod +x /etc/systemd/system/docker.service
systemctl daemon-reload 

设置开机自启动

systemctl enable docker.service

启动docker、测试

systemctl start docker

测试docker是否启动
docker run hello-world
如果不能联网，执行docker ps查看

Docker配置

配置docker的存储目录

在目录  /etc/docker/ 下面，新建 daemon.json 文件

{
    "data-root": "/home/data/installed/basic/docker_data",
    "max-concurrent-downloads": 10,
    "log-driver": "json-file",
    "log-opts":{ "max-size" :"10m","max-file":"5"}
}