# 集装箱

Podman：安装

安装Podman，这是容器管理工具。  
可以使用Docker Cli相同的易用性，Podman不需要特定的Service Daemon。

<table class="base" id="bkmrk-%5B1%5D-%E5%AE%89%E8%A3%85podman%E3%80%82" summary="1"><tbody><tr><td class="num">\[1\]</td><td>安装Podman。</td></tr></tbody></table>

```
[root@dlp ~]# dnf -y install podman
```

<table class="base" id="bkmrk-%5B2%5D-%E4%B8%8B%E8%BD%BD%E5%AE%98%E6%96%B9%E5%9B%BE%E5%83%8F%E5%B9%B6%E5%88%9B%E5%BB%BA%E4%B8%80%E4%B8%AA%E5%AE%B9%E5%99%A8%EF%BC%8C%E5%B9%B6%E5%9C%A8" summary="2"><tbody><tr><td class="num">\[2\]</td><td>下载官方图像并创建一个容器，并在容器内输出单词\[欢迎来到Podman World\]。</td></tr></tbody></table>

```
# download the official image
[root@dlp ~]# podman pull fedora 
Resolved "fedora" as an alias (/etc/containers/registries.conf.d/000-shortnames.conf)
Trying to pull registry.fedoraproject.org/fedora:latest...
Getting image source signatures
.....
.....
Writing manifest to image destination
Storing signatures
1b52edb0818147bea39780625ec01ab46944284acf16d8bcfa4055f8a854a9f5

# run echo inside a container
[root@dlp ~]# podman run fedora /bin/echo "Welcome to the Podman World" 
Welcome to the Podman World
```

<table class="base" id="bkmrk-%5B3%5D-%E4%BD%BF%E7%94%A8%E5%A6%82%E4%B8%8B%E6%89%80%E7%A4%BA%E7%9A%84%5Bi%5D%E5%92%8C%5Bt%5D%E9%80%89%E9%A1%B9" summary="3"><tbody><tr><td class="num">\[3\]</td><td>使用如下所示的\[i\]和\[t\]选项连接到容器的交互式会话。  
如果从容器会话\[退出\]，容器的过程将结束。</td></tr></tbody></table>

```
[root@dlp ~]# podman run -it fedora /bin/bash 
[root@c466d78a528d /]#     # connected
[root@c466d78a528d /]# uname -a 
Linux c466d78a528d 5.14.10-300.fc35.x86_64 #1 SMP Thu Oct 7 20:48:44 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
[root@c466d78a528d /]# exit 
exit
[root@dlp ~]#     # come back
```

<table class="base" id="bkmrk-%5B4%5D-%E5%A6%82%E6%9E%9C%E6%82%A8%E6%83%B3%E5%B0%86%E5%AE%B9%E5%99%A8%E4%BD%9C%E4%B8%BA%E5%AE%88%E6%8A%A4%E8%BF%9B%E7%A8%8B%E8%BF%90%E8%A1%8C%EF%BC%8C" summary="4"><tbody><tr><td class="num">\[4\]</td><td>如果您想将容器作为守护进程运行，请添加\[d\]选项。</td></tr></tbody></table>

```
[root@dlp ~]# podman run -itd fedora /bin/bash 
0c5954f2e21190f86c892de6e256951c1d5576b5d2aa00be6b799778709f56c9

# show podman proceses
[root@dlp ~]# podman ps 
CONTAINER ID  IMAGE                                     COMMAND     CREATED         STATUS             PORTS       NAMES
0c5954f2e211  registry.fedoraproject.org/fedora:latest  /bin/bash   11 seconds ago  Up 11 seconds ago              funny_jang

# attach to container session
[root@dlp ~]# podman exec -it 0c5954f2e211 /bin/bash 
[root@0c5954f2e211 /]#     # connected
[root@0c5954f2e211 /]# exit
# stop container process (if force stop, specify [kill])
[root@dlp ~]# podman stop 0c5954f2e211 
[root@dlp ~]# podman ps 
CONTAINER ID  IMAGE   COMMAND  CREATED  STATUS  PORTS   NAMES
```