Update get-shell-running-container.md

content/zh-cn/docs/tasks/debug/debug-application/get-shell-running-container.md

@@ -7,13 +7,13 @@ content_type: task
 
 <!--
 This page shows how to use `kubectl exec` to get a shell to a
-running Container.
+running container.
 -->
 本文介绍怎样使用 `kubectl exec` 命令获取正在运行容器的 Shell。
 
 ## {{% heading "prerequisites" %}}
 
-{{< include "task-tutorial-prereqs.md" >}} {{< version-check >}}
+{{< include "task-tutorial-prereqs.md" >}}
 
 <!-- steps -->
 
@@ -23,7 +23,7 @@ running Container.
 ## 获取容器的 Shell
 
 <!--
-In this exercise, you create a Pod that has one Container. The Container
+In this exercise, you create a Pod that has one container. The container
 runs the nginx image. Here is the configuration file for the Pod:
 -->
 在本练习中，你将创建包含一个容器的 Pod。容器运行 nginx 镜像。下面是 Pod 的配置文件：
@@ -36,11 +36,11 @@ Create the Pod:
 创建 Pod：
 
 ```shell
-kubectl create -f https://k8s.io/examples/application/shell-demo.yaml
+kubectl apply -f https://k8s.io/examples/application/shell-demo.yaml
 ```
 
 <!--
-Verify that the Container is running:
+Verify that the container is running:
 -->
 检查容器是否运行正常：
 
@@ -49,17 +49,18 @@ kubectl get pod shell-demo
 ```
 
 <!--
-Get a shell to the running Container:
+Get a shell to the running container:
 -->
 获取正在运行容器的 Shell：
 
 ```shell
-kubectl exec -it shell-demo -- /bin/bash
+kubectl exec --stdin --tty shell-demo -- /bin/bash
 ```
+
 {{< note >}}
 
 <!--
-The double dash symbol "--" is used to separate the arguments you want to pass to the command from the kubectl arguments.
+The double dash (`--`) separates the arguments you want to pass to the command from the kubectl arguments.
 -->
 双破折号 "--" 用于将要传递给命令的参数与 kubectl 的参数分开。
 {{< /note >}}
@@ -70,7 +71,8 @@ In your shell, list the root directory:
 在 shell 中，打印根目录：
 
 ```shell
-root@shell-demo:/# ls /
+# 在容器内运行如下命令
+ls /
 ```
 
 <!--
@@ -80,17 +82,18 @@ some examples:
 在 shell 中，实验其他命令。下面是一些示例：
 
 ```shell
-root@shell-demo:/# ls /
-root@shell-demo:/# cat /proc/mounts
-root@shell-demo:/# cat /proc/1/maps
-root@shell-demo:/# apt-get update
-root@shell-demo:/# apt-get install -y tcpdump
-root@shell-demo:/# tcpdump
-root@shell-demo:/# apt-get install -y lsof
-root@shell-demo:/# lsof
-root@shell-demo:/# apt-get install -y procps
-root@shell-demo:/# ps aux
-root@shell-demo:/# ps aux | grep nginx
+# 你可以在容器中运行这些示例命令
+ls /
+cat /proc/mounts
+cat /proc/1/maps
+apt-get update
+apt-get install -y tcpdump
+tcpdump
+apt-get install -y lsof
+lsof
+apt-get install -y procps
+ps aux
+ps aux | grep nginx
 ```
 
 <!--
@@ -100,7 +103,7 @@ root@shell-demo:/# ps aux | grep nginx
 
 <!--
 Look again at the configuration file for your Pod. The Pod
-has an `emptyDir` volume, and the Container mounts the volume
+has an `emptyDir` volume, and the container mounts the volume
 at `/usr/share/nginx/html`.
 -->
 再看一下 Pod 的配置文件。该 Pod 有个 `emptyDir` 卷，容器将该卷挂载到了 `/usr/share/nginx/html`。
@@ -112,7 +115,8 @@ directory:
 在 shell 中，在 `/usr/share/nginx/html` 目录创建一个 `index.html` 文件：
 
 ```shell
-root@shell-demo:/# echo Hello shell demo > /usr/share/nginx/html/index.html
+# 在容器内运行如下命令
+echo 'Hello shell demo' > /usr/share/nginx/html/index.html
 ```
 
 <!--
@@ -121,9 +125,10 @@ In your shell, send a GET request to the nginx server:
 在 shell 中，向 nginx 服务器发送 GET 请求：
 
 ```shell
-root@shell-demo:/# apt-get update
-root@shell-demo:/# apt-get install curl
-root@shell-demo:/# curl localhost
+# 在容器内运行如下命令
+apt-get update
+apt-get install curl
+curl http://localhost/
 ```
 
 <!--
@@ -140,14 +145,18 @@ When you are finished with your shell, enter `exit`.
 -->
 当用完 shell 后，输入 `exit` 退出。
 
+```shell
+exit # 快速退出容器内的 Shell
+```
+
 <!--
 ## Running individual commands in a Container
 -->
 ## 在容器中运行单个命令
 
 <!--
 In an ordinary command window, not your shell, list the environment
-variables in the running Container:
+variables in the running container:
 -->
 在普通的命令窗口（而不是 shell）中，打印环境运行容器中的变量：
 
@@ -156,14 +165,14 @@ kubectl exec shell-demo env
 ```
 
 <!--
-Experiment running other commands. Here are some examples:
+Experiment with running other commands. Here are some examples:
 -->
 实验运行其他命令。下面是一些示例：
 
 ```shell
-kubectl exec shell-demo ps aux
-kubectl exec shell-demo ls /
-kubectl exec shell-demo cat /proc/1/mounts
+kubectl exec shell-demo -- ps aux
+kubectl exec shell-demo -- ls /
+kubectl exec shell-demo -- cat /proc/1/mounts
 ```
 
 <!-- discussion -->
@@ -174,20 +183,31 @@ kubectl exec shell-demo cat /proc/1/mounts
 ## 当 Pod 包含多个容器时打开 shell
 
 <!--
-If a Pod has more than one Container, use `--container` or `-c` to
-specify a Container in the `kubectl exec` command. For example,
+If a Pod has more than one container, use `--container` or `-c` to
+specify a container in the `kubectl exec` command. For example,
 suppose you have a Pod named my-pod, and the Pod has two containers
-named main-app and helper-app. The following command would open a
-shell to the main-app Container.
+named _main-app_ and _helper-app_. The following command would open a
+shell to the _main-app_ container.
 -->
 如果 Pod 有多个容器，`--container` 或者 `-c` 可以在 `kubectl exec` 命令中指定容器。
-例如，你有个名为 my-pod 的 Pod，该 Pod 有两个容器分别为 main-app 和 healper-app。
-下面的命令将会打开一个 shell 访问 main-app 容器。
+例如，你有个名为 my-pod 的 Pod，该 Pod 有两个容器分别为 **main-app** 和 **healper-app**。
+下面的命令将会打开一个 shell 访问 **main-app** 容器。
 
 ```shell
-kubectl exec -it my-pod --container main-app -- /bin/bash
+kubectl exec -i -t my-pod --container main-app -- /bin/bash
 ```
 
+{{< note >}}
+<!--
+The short options `-i` and `-t` are the same as the long options `--stdin` and `--tty`
+-->
+短的命令参数 `-i` 和 `-t` 与长的命令参数 `--stdin` 和 `--tty` 作用相同。
+{{< /note >}}
+
 ## {{% heading "whatsnext" %}}
 
-* [kubectl exec](/docs/reference/generated/kubectl/kubectl-commands/#exec)
+<!--
+* Read about [kubectl exec](/docs/reference/generated/kubectl/kubectl-commands/#exec)
+-->
+* 阅读 [kubectl exec](/docs/reference/generated/kubectl/kubectl-commands/#exec)。
+