docker_practice/cases/os/centos.md
2018-12-22 00:04:50 +08:00

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## CentOS/Fedora
### CentOS 系统简介
CentOS Fedora 都是基于 Redhat 的常见 Linux 分支CentOS 是目前企业级服务器的常用操作系统Fedora 则主要面向个人桌面用户
![CentOS 操作系统](_images/centos-logo.png)
CentOSCommunity Enterprise Operating System中文意思是社区企业操作系统它是基于 Red Hat Enterprise Linux 源代码编译而成由于 CentOS Redhat Linux 源于相同的代码基础所以很多成本敏感且需要高稳定性的公司就使用 CentOS 来替代商业版 Red Hat Enterprise LinuxCentOS 自身不包含闭源软件
#### 使用 CentOS 官方镜像
首先使用 `docker search` 命令来搜索标星至少为 25 CentOS 相关镜像
```bash
$ docker search -f stars=25 centos
NAME DESCRIPTION STARS OFFICIAL AUTOMATED
centos The official... 2543 [OK]
jdeathe/centos-ssh 27 [OK]
```
使用 docker run 直接运行最新的 CentOS 镜像并登录 bash
```bash
$ docker run -it centos bash
Unable to find image 'centos:latest' locally
latest: Pulling from library/centos
3d8673bd162a: Pull complete
Digest: sha256:a66ffcb73930584413de83311ca11a4cb4938c9b2521d331026dad970c19adf4
Status: Downloaded newer image for centos:latest
[root@43eb3b194d48 /]# cat /etc/redhat-release
CentOS Linux release 7.2.1511 (Core)
```
### Fedora 系统简介
![Fedora 操作系统](_images/fedora-logo.png)
Fedora Fedora Project 社区开发红帽公司赞助的 Linux 发行版它的目标是创建一套新颖多功能并且自由和开源的操作系统Fedora 的功能对于用户而言它是一套功能完备的可以更新的免费操作系统而对赞助商 Red Hat 而言它是许多新技术的测试平台被认为可用的技术最终会加入到 Red Hat Enterprise Linux中
#### 使用 Fedora 官方镜像
首先使用 `docker search` 命令来搜索标星至少为 2 Fedora 相关镜像结果如下
```bash
$ docker search -f stars=2 fedora
NAME DESCRIPTION STARS OFFICIAL AUTOMATED
fedora Official Docker builds of Fedora 433 [OK]
dockingbay/fedora-rust Trusted build of Rust programming language... 3 [OK]
gluster/gluster-fedora Official GlusterFS image [ Fedora 21 + Glu... 3 [OK]
startx/fedora Simple container used for all startx based... 2 [OK]
```
使用 docker run 命令直接运行 Fedora 官方镜像并登录 bash
```bash
$ docker run -it fedora bash
Unable to find image 'fedora:latest' locally
latest: Pulling from library/fedora
2bf01635e2a0: Pull complete
Digest: sha256:64a02df6aac27d1200c2572fe4b9949f1970d05f74d367ce4af994ba5dc3669e
Status: Downloaded newer image for fedora:latest
[root@196ca341419b /]# cat /etc/redhat-release
Fedora release 24 (Twenty Four)
```
### 相关资源
* `Fedora` 官网https://getfedora.org/
* `Fedora` 官方仓库https://github.com/fedora-infra
* `Fedora` 官方镜像https://hub.docker.com/_/fedora/
* `Fedora` 官方镜像仓库https://github.com/fedora-cloud/docker-brew-fedora
* `CentOS` 官网https://www.centos.org
* `CentOS` 官方仓库https://github.com/CentOS
* `CentOS` 官方镜像https://hub.docker.com/_/centos/
* `CentOS` 官方镜像仓库https://github.com/CentOS/CentOS-Dockerfiles