Docker 安装利用

1. 下载
        下载地址：Index of linux/static/stable/x86_64/

下载好后，将文件docker-18.06.3-ce.tgz用WinSCP等工具，上传到不能外网的linux系统服务器
2. 安装
解压后的文件夹docker中文件如下所示：

将docker中的全部文件，利用下边命令，复制到/usr/bin

1. cp ./docker/* /usr/bin

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创建docker.service文件

1. cd /etc/systemd/system/
2. touch docker.service

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编辑docker.service文件

注意，将其中的ip地址，改成您的服务器地址，其它参数不用改。
--insecure-registry=192.168.205.230

1. [Unit]
2. Description=Docker Application Container Engine
3. Documentation=https://docs.docker.com
4. After=network-online.target firewalld.service
5. Wants=network-online.target
7. [Service]
8. Type=notify
9. # the default is not to use systemd for cgroups because the delegate issues still
10. # exists and systemd currently does not support the cgroup feature set required
11. # for containers run by docker
12. ExecStart=/usr/bin/dockerd --selinux-enabled=false --insecure-registry=192.168.205.230
13. ExecReload=/bin/kill -s HUP $MAINPID
14. # Having non-zero Limit*s causes performance problems due to accounting overhead
15. # in the kernel. We recommend using cgroups to do container-local accounting.
16. LimitNOFILE=infinity
17. LimitNPROC=infinity
18. LimitCORE=infinity
19. # Uncomment TasksMax if your systemd version supports it.
20. # Only systemd 226 and above support this version.
21. #TasksMax=infinity
22. TimeoutStartSec=0
23. # set delegate yes so that systemd does not reset the cgroups of docker containers
24. Delegate=yes
25. # kill only the docker process, not all processes in the cgroup
26. KillMode=process
27. # restart the docker process if it exits prematurely
28. Restart=on-failure
29. StartLimitBurst=3
30. StartLimitInterval=60s
32. [Install]
33. WantedBy=multi-user.target

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添加可执行权限

1. chmod +x docker.service

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加载docker.service （注意，若修改了docker.service文件，则要重新加载该文件）

1. systemctl daemon-reload

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启动docker

1. systemctl status docker

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查看docker

设置开机自启动

1. systemctl enable docker.service

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