Docker教程

Posted 2021-02-18 sybil-hxl

1.常用命令和操作

（1）参考：https://shimo.im/docs/FnT8B0CdmlkiD1mO/read

（2）补充

进入容器是exec，退出容器用exit

2.镜像下载慢，加速

（1）docker pull daocloud.io/library/mysql

参考：https://blog.csdn.net/bb74747/article/details/82534993

（2）靠谱镜像源

daocloud.io/library：下载mysql很快，下载ubuntu就很慢了

阿里云：下载ubuntu很快

也可参考：https://www.cnblogs.com/yuya670/p/12931207.html

阿里云镜像库配置：https://www.jianshu.com/p/1a4025c5f186

3.获取管理权限

（1）报错：

docker pull registry.docker-cn.com/library/mysql
Using default tag: latest
Got permission denied while trying to connect to the Docker daemon socket at unix:///var/run/docker.sock: Post http://%2Fvar%2Frun%2Fdocker.sock/v1.40/images/create?fromImage=registry.docker-cn.com%2Flibrary%2Fmysql&tag=latest: dial unix /var/run/docker.sock: connect: permission denied

（2）因为需要获取权限

sudo groupadd docker #添加docker用户组

sudo gpasswd -a $USER docker #将登陆用户加入到docker用户组中

newgrp docker #更新用户组

参考：https://blog.csdn.net/icodestechnology/article/details/97170540

4. docker状态转换

参考：

https://blog.csdn.net/K_Actor/article/details/100513890?utm_medium=distribute.pc_relevant.none-task-blog-BlogCommendFromMachineLearnPai2-1.nonecase&depth_1-utm_source=distribute.pc_relevant.none-task-blog-BlogCommendFromMachineLearnPai2-1.nonecase