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@ -3,71 +3,56 @@
[#]: author: "Jim Hall https://opensource.com/users/jim-hall"
[#]: collector: "lujun9972"
[#]: translator: "geekpi"
[#]: reviewer: " "
[#]: publisher: " "
[#]: url: " "
[#]: reviewer: "wxy"
[#]: publisher: "wxy"
[#]: url: "https://linux.cn/article-13795-1.html"
从命令行调试网页错误
从命令行使用 wget 调试网页错误
======
调试网络服务器的一种方法是使用 wget 命令行程序。
![Digital creative of a browser on the internet][1]
有时在管理一个网站时，事情会被搞得一团糟。你可能会删除一些陈旧的内容，用重定向到其他页面来代替。后来，在做了其他改动后，你发现一些网页变得完全无法访问了。你可能会在浏览器中看到一个错误：“该页面没有正确重定向”，并建议你检查你的 cookies。
> 调试 Web 服务器的一种方法是使用 wget 命令行程序。
![](https://img.linux.net.cn/data/attachment/album/202109/17/225018elcip4pii4qcknir.jpg)
有时在管理一个网站时，事情会被搞得一团糟。你可能会删除一些陈旧的内容，用重定向到其他页面来代替。后来，在做了其他改动后，你发现一些网页变得完全无法访问了。你可能会在浏览器中看到一个错误：“该页面没有正确重定向”，并建议你检查你的 cookie。
![Redirect loop example in Firefox][2]
Screenshot by Jim Hall，[CC-BY SA 4.0][3]
调试这种情况的一个方法是使用 `wget` 命令行程序，使用 `-S` 选项来显示所有的服务器响应。当使用 `wget` 进行调试时，我也喜欢使用 `-O` 选项将输出保存到一些临时文件中，以备以后需要查看其内容。
```
$ wget -O /tmp/test.html -S <http://10.0.0.11/announce/>
\--2021-08-24 17:09:49-- <http://10.0.0.11/announce/>
$ wget -O /tmp/test.html -S http://10.0.0.11/announce/
--2021-08-24 17:09:49-- http://10.0.0.11/announce/
Connecting to 10.0.0.11:80... connected.
HTTP request sent, awaiting response...
HTTP request sent, awaiting response...
HTTP/1.1 302 Found
Date: Tue, 24 Aug 2021 22:09:49 GMT
Server: Apache/2.4.48 (Fedora)
X-Powered-By: PHP/7.4.21
Location: <http://10.0.0.11/assets/>
Location: http://10.0.0.11/assets/
Content-Length: 0
Keep-Alive: timeout=5, max=100
Connection: Keep-Alive
Content-Type: text/html; charset=UTF-8
Location: <http://10.0.0.11/assets/> [following]
\--2021-08-24 17:09:49-- <http://10.0.0.11/assets/>
Location: http://10.0.0.11/assets/ [following]
--2021-08-24 17:09:49-- http://10.0.0.11/assets/
Reusing existing connection to 10.0.0.11:80.
HTTP request sent, awaiting response...
HTTP request sent, awaiting response...
HTTP/1.1 302 Found
Date: Tue, 24 Aug 2021 22:09:49 GMT
Server: Apache/2.4.48 (Fedora)
X-Powered-By: PHP/7.4.21
Location: <http://10.0.0.11/announce/>
Location: http://10.0.0.11/announce/
Content-Length: 0
Keep-Alive: timeout=5, max=99
Connection: Keep-Alive
Content-Type: text/html; charset=UTF-8
Location: <http://10.0.0.11/announce/> [following]
\--2021-08-24 17:09:49-- <http://10.0.0.11/announce/>
Location: http://10.0.0.11/announce/ [following]
--2021-08-24 17:09:49-- http://10.0.0.11/announce/
Reusing existing connection to 10.0.0.11:80.
.
.
@ -84,7 +69,7 @@ via: https://opensource.com/article/21/9/wget-debug-web-server
作者：[Jim Hall][a]
选题：[lujun9972][b]
译者：[geekpi](https://github.com/geekpi)
校对：[校对者ID](https://github.com/校对者ID)
校对：[wxy](https://github.com/wxy)
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