docker 常用命令
# 进入容器
sudo docker exec -it 8a5fa5a8f6b8 /bin/bash
https://www.cnblogs.com/xhyan/p/6593075.html
# 获取
docker pull ubuntu
# 进入容器
sudo docker exec -it 8a5fa5a8f6b8 /bin/bash
https://www.cnblogs.com/xhyan/p/6593075.html
# 获取
docker pull ubuntu