> For the complete documentation index, see [llms.txt](https://moekiwisama-1.gitbook.io/minecraft-docker/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://moekiwisama-1.gitbook.io/minecraft-docker/le-jie-alpine/tong-guo-docker-shi-yong-centos.md).

# 通过 Docker 运行 Centos

Docker 容器运行的应用可以是某个具体的服务，比如 Nginx，也可以是 运行库，比如 Java，也可以是某种 Linux发行。在这时，应用到底是指什么，取决于你想要它实现什么样的功能，并不需要按照这里的图片 <https://app.gitbook.com/@moekiwisama/s/minecraft-docker/docker-yu-chuan-tong-xu-ni-ji-de-qu-bie> 来狭义地理解什么是应用。

例如，我想在 Docker 里运行 Centos

```bash
docker run -it centos
```

![](/files/-McxxFFRPELGNVjoGnwt)

你会惊讶地发现，它运行了 Centos！可是这里操作系统内核并不是容器提供的，是与宿主机共享的，所以他跟直接安装 Centos 虚拟机并不太一样，但是在大部分使用场景下，他们的功能几乎是相同的。

这里我们学习到了两个参数 `-i -t` docker 的参数可以分开写，也可以一起写。

-i 表示打开标准输入，这样你的键盘才可以输入东西到 docker 容器中\
-t 表示为这个实例打开一个终端仿真器，至于什么是终端，可以查看这篇文章。<https://app.gitbook.com/@moekiwisama/s/shell/>

输入 exit 可以退出并关闭当前的容器（应用退出，容器关闭）


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