blocks|key|871676|text|序列从18.04到20.04|type|unstyled|depth|inlineStyleRanges|entityRanges|data|871677|sudo+apt+update
sudo+apt+upgrade
sudo+apt+dist-upgrade
sudo+apt+autoremove
sudo+do-release-upgrade+-d+-f+DistUpgradeViewGtk3|code-block|syntax|javascript|871678|按照屏幕上的指示。祝好运!|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|J|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|K|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|L|8|@]|9|@]|A|$]]]|I|$]]

sequence from 18.04 to 20.04
<pre><code>sudo apt update
sudo apt upgrade
sudo apt dist-upgrade
sudo apt autoremove
sudo do-release-upgrade -d -f DistUpgradeViewGtk3
</code></pre>
Follow onscreen instruction.
Good luck!

blocks|key|2038217|text|问题是您的回购没有更新，所以您需要删除以下五个repos：colord+gimagereader+python-sane+sane+simple-scan|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|2038218|执行sudo+add-apt-repository+-r+ppa:<ppa+to+remove>或编辑/etc/apt/sources.list以删除所有这些repos。|2038219|然后您可以运行update-manager|entityMap^0|T|1C|0|2|1A|1F|L|0|7|E^^$0|@$1|2|3|4|5|6|7|K|8|@$9|L|A|M|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|N|8|@$9|O|A|P|B|C]|$9|Q|A|R|B|C]]|D|@]|E|$]]|$1|H|3|I|5|6|7|S|8|@$9|T|A|U|B|C]]|D|@]|E|$]]]|J|$]]

The problem is your repo is not updated, so you need to remove these five repos: <code>colord gimagereader python-sane sane simple-scan</code>
Do <code>sudo add-apt-repository -r ppa:&lt;ppa to remove&gt;</code> or edit <code>/etc/apt/sources.list</code> to remove all of these repos.
Then you can run <code>update-manager</code>

blocks|key|2038253|text|刚通过sudo+apt-get+remove+--auto-remove+winehq-stable删除了葡萄酒，在重复使用sudo+do-release-upgrade之后，它对我起了作用|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|entityMap^0|3|1B|1Q|N^^$0|@$1|2|3|4|5|6|7|G|8|@$9|H|A|I|B|C]|$9|J|A|K|B|C]]|D|@]|E|$]]]|F|$]]

just removed wine through <code>sudo apt-get remove --auto-remove winehq-stable</code> and it worked for me after reusing <code>sudo do-release-upgrade</code>

blocks|key|871834|text|首先在你的航站楼：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|871835|sudo+apt+dist-upgrade|code-block|syntax|javascript|871836|然后你会得到|871837|The+following+packages+have+been+kept+back:

++mongodb-org+mongodb-org-mongos+mongodb-org-server+mongodb-org-shell+mongodb-org-tools

0+upgraded,+0+newly+installed,+0+to+remove+and+5+not+upgraded.|871838|你要做的就是用|871839|sudo+apt安装<包名>|blockquote|871840|其结果将是：|871841|sudo+apt+install+mongodb-org+mongodb-org-mongos+mongodb-org-server+mongodb-org-tools|871842|最后，继续：|871843|sudo+do-release-upgrade|entityMap^0|0|0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|Y|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|Z|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|10|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|11|8|@]|9|@]|A|$E|F]]|$1|K|3|L|5|6|7|12|8|@]|9|@]|A|$]]|$1|M|3|N|5|O|7|13|8|@]|9|@]|A|$]]|$1|P|3|Q|5|6|7|14|8|@]|9|@]|A|$]]|$1|R|3|S|5|D|7|15|8|@]|9|@]|A|$E|F]]|$1|T|3|U|5|6|7|16|8|@]|9|@]|A|$]]|$1|V|3|W|5|D|7|17|8|@]|9|@]|A|$E|F]]]|X|$]]

First in your terminal:
<pre><code>sudo apt dist-upgrade
</code></pre>
Then you will get
<pre><code>The following packages have been kept back:

 mongodb-org mongodb-org-mongos mongodb-org-server mongodb-org-shell mongodb-org-tools

0 upgraded, 0 newly installed, 0 to remove and 5 not upgraded.
</code></pre>
All you have to do is to use
<blockquote>
sudo apt install &lt; Packages Names &gt;
</blockquote>
The result will be like:
<pre><code>sudo apt install mongodb-org mongodb-org-mongos mongodb-org-server mongodb-org-tools
</code></pre>
Finally, go with:
<pre><code>sudo do-release-upgrade
</code></pre>

blocks|key|871624|text|您必须使用最新的修补程序/更新更新当前版本。运行：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|871625|sudo+apt+update|unordered-list-item|offset|length|style|CODE|871626|sudo+apt+upgrade|871627|然后运行以下命令，强制升级到20.04：|871628|sudo+update-manager+-d|871629|直到第一次发布20.04+.+20.04.1+.升级将不会自动显示。在此之前，需要使用-d选项。|871630|正如@heynnema在下面所写的，-d的意思是“开发版本”。现在还没有下一个ubuntu的开发版本(20.10)。从18.04或19,10升级到20.10，你应该得到一个警告。如果发生这种情况，请放弃-d，尝试不使用它。|entityMap^0|0|0|F|0|0|G|0|0|0|M|0|17|2|0|I|2|2T|2^^$0|@$1|2|3|4|5|6|7|T|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|U|8|@$E|V|F|W|G|H]]|9|@]|A|$]]|$1|I|3|J|5|D|7|X|8|@$E|Y|F|Z|G|H]]|9|@]|A|$]]|$1|K|3|L|5|6|7|10|8|@]|9|@]|A|$]]|$1|M|3|N|5|D|7|11|8|@$E|12|F|13|G|H]]|9|@]|A|$]]|$1|O|3|P|5|6|7|14|8|@$E|15|F|16|G|H]]|9|@]|A|$]]|$1|Q|3|R|5|6|7|17|8|@$E|18|F|19|G|H]|$E|1A|F|1B|G|H]]|9|@]|A|$]]]|S|$]]

You have to update your current version with the latest patches / updates. Run:

<ul>
<li><code>sudo apt update</code></li>
<li><code>sudo apt upgrade</code></li>
</ul>

Then force the upgrade to 20.04 by running:

<ul>
<li><code>sudo update-manager -d</code></li>
</ul>

Until first point release of 20.04 ... 20.04.1 ... upgrade will not be presented automatically. Until then the <code>-d</code> option is needed.

As @heynnema writes below <code>-d</code> means "development version". Right now there are no development version for next ubuntu (20.10). Since upgrading from 18.04 or 19,10 to 20.10, you should get a warning about that. If this happens, let go of <code>-d</code> and try without it.

blocks|key|2038538|text|如贴出的这里|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|2038539|只需删除/var/lib/apt/list目录的所有内容：|2038540|sudo+rm+-rf+/var/lib/apt/lists/*|code-block|syntax|javascript|2038541|然后跟随这里：|2038542|sudo+apt-get+clean
sudo+apt+update+&&+sudo+apt+upgrade|2038543|通过绑定以下命令重新启动Ubuntu系统：|2038544|sudo+reboot|2038545|安装Ubuntu更新工具，运行：|2038546|sudo+apt+install+update-manager-core|2038547|启动升级过程，运行：|2038548|sudo+do-release-upgrade|2038549|重新启动框，运行：|2038550|sudo+reboot|2038551|我发现，在更新过程中，从这里或这里中删除那些令人讨厌的“错误”消息很有帮助。|2038552|sudo+apt-get+remove+graphicsmagick+|2038553|其中graphicsmagick不再受支持的软件包/软件等等|entityMap|0|LINK|mutability|MUTABLE|url|https://askubuntu.com/questions/41605/trouble-downloading-packages-list-due-to-a-hash-sum-mismatch-error|1|https://www.cyberciti.biz/faq/upgrade-ubuntu-18-04-to-20-04-lts-using-command-line/|2|https://www.thelinuxfaq.com/ubuntu/ubuntu-17-04-zesty-zapus/graphicsmagick?type=uninstall|3|https://discourse.ubuntu.com/t/cant-update-system-with-sudo-apt-update-on-ubuntu/19034^0|4|2|0|0|0|0|4|2|1|0|0|0|0|0|0|0|0|0|0|C|2|2|F|2|3|0|0^^$0|@$1|2|3|4|5|6|7|1N|8|@]|9|@$A|1O|B|1P|1|1Q]]|C|$]]|$1|D|3|E|5|6|7|1R|8|@]|9|@]|C|$]]|$1|F|3|G|5|H|7|1S|8|@]|9|@]|C|$I|J]]|$1|K|3|L|5|6|7|1T|8|@]|9|@$A|1U|B|1V|1|1W]]|C|$]]|$1|M|3|N|5|H|7|1X|8|@]|9|@]|C|$I|J]]|$1|O|3|P|5|6|7|1Y|8|@]|9|@]|C|$]]|$1|Q|3|R|5|H|7|1Z|8|@]|9|@]|C|$I|J]]|$1|S|3|T|5|6|7|20|8|@]|9|@]|C|$]]|$1|U|3|V|5|H|7|21|8|@]|9|@]|C|$I|J]]|$1|W|3|X|5|6|7|22|8|@]|9|@]|C|$]]|$1|Y|3|Z|5|H|7|23|8|@]|9|@]|C|$I|J]]|$1|10|3|11|5|6|7|24|8|@]|9|@]|C|$]]|$1|12|3|13|5|H|7|25|8|@]|9|@]|C|$I|J]]|$1|14|3|15|5|6|7|26|8|@]|9|@$A|27|B|28|1|29]|$A|2A|B|2B|1|2C]]|C|$]]|$1|16|3|17|5|H|7|2D|8|@]|9|@]|C|$I|J]]|$1|18|3|19|5|6|7|2E|8|@]|9|@]|C|$]]]|1A|$1B|$5|1C|1D|1E|C|$1F|1G]]|1H|$5|1C|1D|1E|C|$1F|1I]]|1J|$5|1C|1D|1E|C|$1F|1K]]|1L|$5|1C|1D|1E|C|$1F|1M]]]]

As posted <a href="https://askubuntu.com/questions/41605/trouble-downloading-packages-list-due-to-a-hash-sum-mismatch-error">here</a>
Just remove all the content of /var/lib/apt/lists directory:
<pre><code>sudo rm -rf /var/lib/apt/lists/*
</code></pre>
then follow <a href="https://www.cyberciti.biz/faq/upgrade-ubuntu-18-04-to-20-04-lts-using-command-line/" rel="nofollow noreferrer">here</a>:
<pre><code>sudo apt-get clean
sudo apt update &amp;&amp; sudo apt upgrade
</code></pre>
Reboot the Ubuntu Linux system by tying the following command:
<pre><code>sudo reboot
</code></pre>
Install the Ubuntu update tool, run:
<pre><code>sudo apt install update-manager-core
</code></pre>
Start the upgrade procedure, run:
<pre><code>sudo do-release-upgrade
</code></pre>
Reboot the box, run:
<pre><code>sudo reboot
</code></pre>
and I found this helpful, from <a href="https://www.thelinuxfaq.com/ubuntu/ubuntu-17-04-zesty-zapus/graphicsmagick?type=uninstall" rel="nofollow noreferrer">here</a> or <a href="https://discourse.ubuntu.com/t/cant-update-system-with-sudo-apt-update-on-ubuntu/19034" rel="nofollow noreferrer">here</a>, to remove those pesky 'ERROR' messages during updates
<pre><code>sudo apt-get remove graphicsmagick 
</code></pre>
where graphicsmagick is the package/software no longer supported etc

blocks|key|871654|text|转到Ubuntu软件更新并检查任何挂起的更新。更新他们你就完蛋了。有些更新不使用sudo+apt-get+update执行。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|entityMap^0|14|J^^$0|@$1|2|3|4|5|6|7|G|8|@$9|H|A|I|B|C]]|D|@]|E|$]]]|F|$]]

Go to Ubuntu Software Update and check any pending updates. Update them and you're done. Some updates do not execute using <code>sudo apt-get update</code>.

blocks|key|871861|text|您必须先做sudo+apt+update和sudo+apt+upgrade。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|entityMap^0|5|F|L|G^^$0|@$1|2|3|4|5|6|7|G|8|@$9|H|A|I|B|C]|$9|J|A|K|B|C]]|D|@]|E|$]]]|F|$]]

You have to do <code>sudo apt update</code> and <code>sudo apt upgrade</code> first.

blocks|key|2038144|text|首先升级软件包：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2038145|sudo+apt+update+&&+sudo+apt+upgrade|code-block|syntax|javascript|2038146|您将看到一条类似于此的消息：|2038147|The+following+packages+have+been+kept+back:
++mongodb-org-mongos+mongodb-org-server+mongodb-org-shell+mongodb-org-tools
0+upgraded,+0+newly+installed,+0+to+remove+and+4+not+upgraded|2038148|手动安装保留的包。|2038149|sudo+apt+install+package_name(s)|2038150|就我而言，它是：|2038151|sudo+apt+install+mongodb-org-shell+mongodb-org-tools|2038152|在此之后，再次运行sudo+apt+update+&&+sudo+apt+upgrade，以确保一切正常运行。|offset|length|style|CODE|entityMap^0|0|0|0|0|0|0|0|0|9|Z^^$0|@$1|2|3|4|5|6|7|Z|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|10|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|11|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|12|8|@]|9|@]|A|$E|F]]|$1|K|3|L|5|6|7|13|8|@]|9|@]|A|$]]|$1|M|3|N|5|D|7|14|8|@]|9|@]|A|$E|F]]|$1|O|3|P|5|6|7|15|8|@]|9|@]|A|$]]|$1|Q|3|R|5|D|7|16|8|@]|9|@]|A|$E|F]]|$1|S|3|T|5|6|7|17|8|@$U|18|V|19|W|X]]|9|@]|A|$]]]|Y|$]]

First upgrade the packages:
<pre><code>sudo apt update &amp;&amp; sudo apt upgrade
</code></pre>
You will see a message similar to this:
<pre class="lang-none prettyprint-override"><code>The following packages have been kept back:
 mongodb-org-mongos mongodb-org-server mongodb-org-shell mongodb-org-tools
0 upgraded, 0 newly installed, 0 to remove and 4 not upgraded
</code></pre>
Install the kept back packages manually.
<pre><code>sudo apt install package_name(s)
</code></pre>
In my case it was:
<pre><code>sudo apt install mongodb-org-shell mongodb-org-tools
</code></pre>
After this run <code>sudo apt update &amp;&amp; sudo apt upgrade</code> again to ensure that everything is working fine.

I've been trying to upgrade my version of Ubuntu 18.04 to 20.04. I've run all the steps from updating and upgrading both apt and apt-get, changing the settings in update manager and all of the <a href="https://askubuntu.com/questions/1085295/error-while-trying-to-upgrade-from-ubuntu-18-04-to-18-10-please-install-all-av">steps described in this link</a>. Yet I keep getting the error:

<pre><code>Please install all available updates for your release before upgrading.
</code></pre>

Is there something special about trying to upgrade from 18.04 to 20.04 that's causing this error? Do I maybe need to update to 19.04 first?

EDIT: I just noticed something that might be important. When I run <code>sudo apt-get update</code> I get the following notice at the end of the output:

<pre><code>The following packages have been kept back:
 colord gimagereader python-sane sane simple-scan
0 upgraded, 0 newly installed, 0 to remove and 5 not upgraded.
</code></pre>

Might that be causing the issue?

Can't upgrade Ubuntu 18.04 to 20.04 because of "Please install all available updates for your release before upgrading" error

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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我一直在尝试将我的Ubuntu18.04升级到20.04。我已经运行了从更新和升级apt和apt到更改更新管理器和所有此链接中描述的步骤中的设置的所有步骤。然而，我不断地发现这个错误：Please install all available updates for your release before upgrading.尝试从18.04升级到20.04有什么特别之处会导致这个错误吗？我需要先更

问无法将Ubuntu18.04升级到20.04，因为“请在升级前安装所有可用的更新以供发布”错误
EN

回答 9

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问无法将Ubuntu18.04升级到20.04，因为“请在升级前安装所有可用的更新以供发布”错误EN

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问无法将Ubuntu18.04升级到20.04，因为“请在升级前安装所有可用的更新以供发布”错误
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