centos上安装docker
======= 使用GPU
Enabling GPU access with Compose
https://docs.docker.com/compose/gpu-support/
=====dockercompose 官方文档
https://docs.docker.com/compose/compose-file/compose-file-v3/
例子:https://docs.docker.com/compose/samples-for-compose/
====在线安装docker
参考:https://www.runoob.com/docker/centos-docker-install.html
https://docs.docker.com/engine/install/centos/
1) 通过端口转发登陆虚拟机 ssh root@10.12.198.166 -p 3331
2) sudo yum-config-manager \
--add-repo \
https://download.docker.com/linux/centos/docker-ce.repo
3) yum install docker-ce-18.06.3.ce docker-ce-cli-18.06.3.ce containerd.io
4) systemctl start docker
5) systemctl enable docker.service
6)
vi /etc/docker/daemon.json
{
"insecure-registries":["*****.com"]
}
7) systemctl restart docker
=========docker 离线安装
https://blog.csdn.net/zwqjoy/article/details/106350891
https://docs.docker.com/engine/install/binaries/#install-static-binaries
1、首先到官网下载二进制包:
官网:https://docs.docker.com/engine/install/binaries/#install-static-binaries
如下载docker-18.09.8.tgz
2、二进制上传的服务器,然后解压:tar xzvf /path/to/<FILE>.tar.gz
3、 sudo cp docker/* /usr/bin/
4、 设置docker数据持久化目录,默认是/var/lib/docker(此步骤可跳过)
/etc/docker/daemon.json 的例子:
https://docs.docker.com/engine/reference/commandline/dockerd/

可以通过执行docker info来确认是否修改成功,也可以通过docker inspect 一个容器来确认
5、通过systemctl管理docker:文件放入 /usr/lib/systemd/system/docker.service 中
6、systemctl daemon-reload
7、systmctl start docker
8、 systemctl enable docker.service
======安装docker compose
https://docs.docker.com/compose/install/
========== bug fix操作
添加当前用户为docker组用户: sudo usermod -aG docker $USER
查看centos版本: cat /etc/redhat-release
查看系统是32位还是64位:cat /proc/version
查看docker安装目录:docker info | grep 'Root Dir'
查看docker的配置信息:systemctl status docker
在防火墙上打开某端口:
sudo firewall-cmd --permanent --add-port=10255/tcp
sudo firewall-cmd --reload
vim /etc/docker/daemon.json
sudo systemctl daemon-reload
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