# 开机启动
systemctl enable docker
#  常见故障排查
##  Failed to Setup IP tables: Unable to enable SKIP DNAT rule
``Something has deleted the docker iptables entries. Docker will recreate them if you restart it (`systemctl restart docker`). You'll want to disable anything else that manages iptables to prevent this from happening in the future.
即重启docker解决

## 进入
`docker exec -it docker-name /bin/bash`或`docker exec -it docker-name /bin/sh`
## 删除
`docker image prune -f -a` 删除所有不使用的镜像
## 更新
`docker compose pull`拉取更新
`docker compose up -d`启动