blocks|key|127657|text|如果file+filename.tar.gz给出这个消息:+POSIX+tar+archive，那么这个存档就是tar，而不是GZip存档。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|127658|解压不带z的tar文件，它只用于gzipped+(压缩)，仅：|127659|mv+filename.tar.gz+filename.tar+#+optional
tar+xvf+filename.tar|code-block|syntax|javascript|127660|或者尝试像unp+(https://packages.qa.debian.org/u/unp.html)这样的通用解包程序，这是一个用于解包各种归档格式的脚本。|127661|确定文件类型：|127662|$+file+~/Downloads/filename.tbz2
/User/Name/Downloads/filename.tbz2:+bzip2+compressed+data,+block+size+=+400k|127663|entityMap|0|LINK|mutability|MUTABLE|url|https://packages.qa.debian.org/u/unp.html^0|2|K|0|4|1|0|0|5|3|A|15|0|0|0|0^^$0|@$1|2|3|4|5|6|7|10|8|@$9|11|A|12|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|13|8|@$9|14|A|15|B|C]]|D|@]|E|$]]|$1|H|3|I|5|J|7|16|8|@]|D|@]|E|$K|L]]|$1|M|3|N|5|6|7|17|8|@$9|18|A|19|B|C]]|D|@$9|1A|A|1B|1|1C]]|E|$]]|$1|O|3|P|5|6|7|1D|8|@]|D|@]|E|$]]|$1|Q|3|R|5|J|7|1E|8|@]|D|@]|E|$K|L]]|$1|S|3|-4|5|6|7|1F|8|@]|D|@]|E|$]]]|T|$U|$5|V|W|X|E|$Y|Z]]]]

If <code>file filename.tar.gz</code> gives this message: POSIX tar archive, 
the archive is a tar, not a GZip archive.

Unpack a tar without the <code>z</code>, it is for gzipped (compressed), only:

<pre><code>mv filename.tar.gz filename.tar # optional
tar xvf filename.tar
</code></pre>

Or try a generic Unpacker like <code>unp</code> (<a href="https://packages.qa.debian.org/u/unp.html">https://packages.qa.debian.org/u/unp.html</a>), a script for unpacking a wide variety of archive formats.

determine the file type: 

<pre><code>$ file ~/Downloads/filename.tbz2
/User/Name/Downloads/filename.tbz2: bzip2 compressed data, block size = 400k
</code></pre>

blocks|key|127626|text|据我所知，假设您的输入文件是一个有效的gzipped压缩tar文件，该命令是正确的。您的输出结果显示不是。如果您是从internet下载的文件，则可能没有获得完整的文件，请重试。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|127627|如果没有更多关于你的文件来源的知识，这里没有人能够给你一个具体的解决方案，只能是有根据的猜测。|127628|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|F|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|G|8|@]|9|@]|A|$]]|$1|D|3|-4|5|6|7|H|8|@]|9|@]|A|$]]]|E|$]]

As far as I can tell, the command is correct, ASSUMING your input file is a valid gzipped tar file. Your output says that it isn't. If you downloaded the file from the internet, you probably didn't get the entire file, try again.

Without more knowledge of the source of your file, nobody here is going to be able to give you a concrete solution, just educated guesses.

blocks|key|127990|text|我在命令的结果中也有同样的错误：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|127991|file+hadoop-2.7.2.tar.gz|code-block|syntax|javascript|127992|是hadoop-2.7.2.tar.gz:+HTML+document,+ASCII+text|offset|length|style|CODE|127993|文件不是gzip格式的原因是由于下载或其他方面的问题。|127994|entityMap^0|0|0|1|1A|0|0^^$0|@$1|2|3|4|5|6|7|Q|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|R|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|S|8|@$I|T|J|U|K|L]]|9|@]|A|$]]|$1|M|3|N|5|6|7|V|8|@]|9|@]|A|$]]|$1|O|3|-4|5|6|7|W|8|@]|9|@]|A|$]]]|P|$]]

I have the same error 
the result of command :

<pre><code>file hadoop-2.7.2.tar.gz
</code></pre>

is <code>hadoop-2.7.2.tar.gz: HTML document, ASCII text</code>

the reason that the file is not gzip format due to problem in download or other.

blocks|key|345567|text|使用"wget“命令下载的文件有时会发生这种情况。就在10分钟前，我试图从命令屏幕安装一些东西到服务器上，同样的事情也发生了。作为解决方案，我从网上下载了.tar.gz文件到我的机器上，然后通过FTP上传到服务器上。在那之后，"tar“命令就可以正常工作了。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|345568|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

It happens sometimes for the files downloaded with "wget" command. Just 10 minutes ago, I was trying to install something to server from the command screen and the same thing happened. As a solution, I just downloaded the .tar.gz file to my machine from the web then uploaded it to the server via FTP. After that, the "tar" command worked as it was expected.

blocks|key|345609|text|在内部，tar+xcvf+<filename>将从PATH环境变量调用二进制gzip来解压缩tar归档中的文件。有时，第三方工具使用与tar二进制文件不兼容的自定义gzip二进制文件。最好用which+gzip检查PATH中的gzip二进制文件，并确保调用了正确的gzip二进制文件。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|345610|entityMap^0|4|J|P|4|12|4|1A|3|1V|3|2A|4|2N|A|2Z|4|35|4|3O|4|0^^$0|@$1|2|3|4|5|6|7|H|8|@$9|I|A|J|B|C]|$9|K|A|L|B|C]|$9|M|A|N|B|C]|$9|O|A|P|B|C]|$9|Q|A|R|B|C]|$9|S|A|T|B|C]|$9|U|A|V|B|C]|$9|W|A|X|B|C]|$9|Y|A|Z|B|C]|$9|10|A|11|B|C]]|D|@]|E|$]]|$1|F|3|-4|5|6|7|12|8|@]|D|@]|E|$]]]|G|$]]

Internally <code>tar xcvf &lt;filename&gt;</code> will call the binary <code>gzip</code> from the <code>PATH</code> environment variable to decompress the files in the <code>tar</code> archive. Sometimes third party tools use a custom <code>gzip</code> binary which is not compatible with the <code>tar</code> binary.
It is a good idea to check the <code>gzip</code> binary in your <code>PATH</code> with <code>which gzip</code> and make sure that a correct <code>gzip</code> binary is called.

blocks|key|127686|text|tar.gz是gzip文件中的tar文件，因此首先必须使用gunzip+-d+filename.tar.gz解压gzip文件，然后使用tar解压。但是，因为gunzip说它不是gzip格式，所以您可以用file+filename.tar.gz查看它的格式，然后使用适当的程序打开它。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|127687|entityMap^0|T|P|1V|3|26|6|2T|K|0^^$0|@$1|2|3|4|5|6|7|H|8|@$9|I|A|J|B|C]|$9|K|A|L|B|C]|$9|M|A|N|B|C]|$9|O|A|P|B|C]]|D|@]|E|$]]|$1|F|3|-4|5|6|7|Q|8|@]|D|@]|E|$]]]|G|$]]

A tar.gz is a tar file inside a gzip file, so 1st you must unzip the gzip file with <code>gunzip -d filename.tar.gz</code> , and then use <code>tar</code> to untar it. However, since <code>gunzip</code> says it isn't in gzip format, you can see what format it is in with <code>file filename.tar.gz</code>, and use the appropriate program to open it.

blocks|key|345420|text|检查以确保文件是完整的。如果您只下载了部分文件或文件有重大问题，则可能会出现此错误消息。检查MD5sum。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|345421|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

Check to make sure that the file is complete. This error message can occur if you only partially downloaded a file or if it has major issues. Check the MD5sum.

blocks|key|128060|text|您必须验证的另一个场景是您试图解压的文件不是空的并且是有效的。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|128061|在我的情况下，我没有正确下载文件，经过仔细检查，我确保我有正确的文件，我可以解压它，没有任何问题。|128062|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|F|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|G|8|@]|9|@]|A|$]]|$1|D|3|-4|5|6|7|H|8|@]|9|@]|A|$]]]|E|$]]

The other scenario you mush verify is that the file you're trying to unpack is not empty and is valid.

In my case I wasn't downloading the file correctly, after double check and I made sure I had the right file I could unpack it without any issues.

blocks|key|128099|text|因此，从根本上说，看似tar.gz的文件并不是它应该采用的格式。这可以使用file+Linux命令来确定。例如，对于正版.tgz文件，命令输出将如下所示：|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|128100|root@f562353fc1ab:/app#+file+kafka_2.13-2.8.0.tgz+
kafka_2.13-2.8.0.tgz:+gzip+compressed+data,+from+FAT+filesystem+(MS-DOS,+OS/2,+NT),+original+size+modulo+2%5E32+75202560|code-block|syntax|javascript|128101|因此，您接收文件的来源没有以正确的格式发送它。如果您从URI下载了理应为.tgz的文件，则可能是URI错误。在我的例子中，我在提取kafka二进制文件(.tgz文件)时遇到了同样的问题。事实证明，wget的URI是不正确的。至少对于kafka来说，为了获得正确的下载链接，从下载页面(https://kafka.apache.org/downloads.html)，我们必须遍历到由代表二进制文件的链接突出显示的页面。一旦我们进入该页面，我们将获得下载二进制文件的确切链接。此外，在下载过程中，wget会显示要下载的文件的类型。它将打印类似这样的内容来指示类型。|128102|Length:+unspecified+[text/html]+-->+URI不正确。|128103|Length:+71403603+(68M)+[application/octet-stream]+-->正确的URI。|128104|entityMap|0|LINK|mutability|MUTABLE|url|https://kafka.apache.org/downloads.html^0|B|6|11|4|1O|4|0|0|10|4|24|4|2Q|4|6V|4|3Y|13|0|0|0|V|0|0|1D|0^^$0|@$1|2|3|4|5|6|7|Y|8|@$9|Z|A|10|B|C]|$9|11|A|12|B|C]|$9|13|A|14|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|15|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|16|8|@$9|17|A|18|B|C]|$9|19|A|1A|B|C]|$9|1B|A|1C|B|C]|$9|1D|A|1E|B|C]]|D|@$9|1F|A|1G|1|1H]]|E|$]]|$1|M|3|N|5|6|7|1I|8|@$9|1J|A|1K|B|C]]|D|@]|E|$]]|$1|O|3|P|5|6|7|1L|8|@$9|1M|A|1N|B|C]]|D|@]|E|$]]|$1|Q|3|-4|5|6|7|1O|8|@]|D|@]|E|$]]]|R|$S|$5|T|U|V|E|$W|X]]]]

So, basically the seemingly <code>tar.gz</code> file is not really in the format it should be. This can be ascertained using <code>file</code> Linux command. Example, for a genuine <code>.tgz</code> file, the command output will be as below:
<pre><code>root@f562353fc1ab:/app# file kafka_2.13-2.8.0.tgz 
kafka_2.13-2.8.0.tgz: gzip compressed data, from FAT filesystem (MS-DOS, OS/2, NT), original size modulo 2^32 75202560
</code></pre>
So, the source from where you received the file hasn't sent it in the correct format. If you have downloaded the supposedly <code>.tgz</code> file from a URI, may be the URI is wrong. In my case, I faced the same issue while extracting kafka binary (<code>.tgz</code> file). Turns out, that the URI to <code>wget</code> was incorrect. At least for kafka, to get the correct download link, from the downloads page (<a href="https://kafka.apache.org/downloads.html" rel="nofollow noreferrer">https://kafka.apache.org/downloads.html</a>) , we must traverse to the page that is highlighted by the link representing the binary. Once we are in that page, we will get the exact link to download the binary. Also, during download, <code>wget</code> displays the type of the file that will be downloaded. It will print something like this to indicate the type.
<code>Length: unspecified [text/html]</code> --&gt; Incorrect URI.
<code>Length: 71403603 (68M) [application/octet-stream]</code> --&gt; Correct URI.

I want to extract an archive named <code>filename.tar.gz</code>.

Using <code>tar -xzvf filename.tar.gz</code> doesn't extract the file. it is gives this error:

<pre><code>gzip: stdin: not in gzip format
tar: Child returned status 1
tar: Error exit delayed from previous errors
</code></pre>

How to extract filename.tar.gz file

我想提取一个名为filename.tar.gz的归档文件。使用tar -xzvf filename.tar.gz不会解压缩该文件。它给出了这个错误：gzip: stdin: not in gzip formattar: Child returned status 1tar: Error exit delayed from previous errors

问如何提取filename.tar.gz文件
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