blocks|key|6522396|text|看来我成功做到了。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|6522397|在软件和更新/其他软件中添加了14.04存储库:+deb+http://archive.ubuntu.com/ubuntu+trusty|ordered-list-item|offset|length|6522398|安装mysql客户端和服务器:+sudo+apt安装mysql-server-5.6+sudo+apt安装mysql-+client+-5.6|6522399|更新:在安装5.6之前，请确保没有其他mysql包：|6522400|dpkg+-l+%7C+grep+mysql+-返回mysql包的列表。|style|CODE|6522401|使用apt-get+purge+<package+name>来清除它们。|6522402|来源：16.04升级中断mysql-服务器|entityMap|0|LINK|mutability|MUTABLE|url|http://archive.ubuntu.com/ubuntu|1|https://askubuntu.com/questions/760724/16-04-upgrade-broke-mysql-server/760886#760886^0|0|T|W|0|0|0|0|0|K|0|2|S|0|3|I|1^^$0|@$1|2|3|4|5|6|7|11|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|12|8|@]|9|@$E|13|F|14|1|15]]|A|$]]|$1|G|3|H|5|D|7|16|8|@]|9|@]|A|$]]|$1|I|3|J|5|6|7|17|8|@]|9|@]|A|$]]|$1|K|3|L|5|6|7|18|8|@$E|19|F|1A|M|N]]|9|@]|A|$]]|$1|O|3|P|5|6|7|1B|8|@$E|1C|F|1D|M|N]]|9|@]|A|$]]|$1|Q|3|R|5|6|7|1E|8|@]|9|@$E|1F|F|1G|1|1H]]|A|$]]]|S|$T|$5|U|V|W|A|$X|Y]]|Z|$5|U|V|W|A|$X|10]]]]

Looks that I managed to do it.

<ol>
<li>In Software &amp; Updates/Other Software added 14.04 repository: 

<pre><code>deb http://archive.ubuntu.com/ubuntu trusty main
</code></pre></li>
<li>Installed mysql client and server:

<pre><code>sudo apt install mysql-server-5.6
sudo apt install mysql-client-5.6
</code></pre></li>
</ol>

Update: Before installing 5.6, make sure that no other mysql packages are present:

<code>dpkg -l | grep mysql</code> - returns list of mysql packages.

Use <code>apt-get purge &lt;package name&gt;</code> to purge them.

Source: <a href="https://askubuntu.com/questions/760724/16-04-upgrade-broke-mysql-server/760886#760886">16.04 upgrade broke mysql-server</a>

blocks|key|6522428|text|我采用了以下方法：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|6522429|sudo+add-apt-repository+'deb+http://archive.ubuntu.com/ubuntu+trusty+universe'
sudo+apt-get+update
sudo+apt+install+mysql-server-5.6+mysql-client-5.6|code-block|syntax|javascript|6522430|如果在执行最后一个命令时发生错误，请查看此答案的注释部分。|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|$]]

I used the following approach:

<pre><code>sudo add-apt-repository 'deb http://archive.ubuntu.com/ubuntu trusty universe'
sudo apt-get update
sudo apt install mysql-server-5.6 mysql-client-5.6
</code></pre>

If an error occurs during the execution of the last command take a look at the comment section of this answer.

blocks|key|7552964|text|dpkg+--force-depends+-P+`dpkg+-l+%7Cawk+'/mysql/{print+$2}'`

rm+-r+/etc/mysql/

apt-get+install+mysql-server+mysql-client|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|entityMap^0^^$0|@$1|2|3|4|5|6|7|E|8|@]|9|@]|A|$B|C]]]|D|$]]

<pre><code>dpkg --force-depends -P `dpkg -l |awk '/mysql/{print $2}'`

rm -r /etc/mysql/

apt-get install mysql-server mysql-client
</code></pre>

blocks|key|7553047|text|我也遇到了同样的问题，我尝试了很多选择。我在libdbd-mysql-perl上遇到了很多问题；系统说不会安装那个库。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|7553048|因此，我想用安装软件包和纠正所有依赖项的智能来安装它。|7553049|如果你没有能力，你可以这样做：sudo+apt-get+install+aptitude|7553050|首先，您需要卸载现有的mysql。接下来，您需要安装所需的包。|7553051|sudo+aptitude+install+mysql-server-5.6|code-block|syntax|javascript|7553052|天赋给了你很多选择，该怎么做。第一个选项是保留实际的包。因此，请按(N)o，直到找到可以降低下一个包等级的选项为止：|7553053|libmysqlclient20+[5.7.14-1ubuntu16.04+(<NULL>,+now)+->+5.7.13-0ubuntu0.16
mysql-common+[5.7.14-1ubuntu16.04+(<NULL>,+now)+->+5.6.30-1%2Bdeb.sury.org|7553054|然后按(Y)es，智能将安装mysql-server-5.6。下面是您应该接受的选项：|7553055|📷|atomic|7553056|如果之后系统无法连接到mysql服务器，则需要重新启动计算机。|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://i.stack.imgur.com/kA3Gf.jpg|imageAlt^0|M|H|0|0|F|T|0|0|0|0|0|0|0|1|0|0^^$0|@$1|2|3|4|5|6|7|19|8|@$9|1A|A|1B|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|1C|8|@]|D|@]|E|$]]|$1|H|3|I|5|6|7|1D|8|@$9|1E|A|1F|B|C]]|D|@]|E|$]]|$1|J|3|K|5|6|7|1G|8|@]|D|@]|E|$]]|$1|L|3|M|5|N|7|1H|8|@]|D|@]|E|$O|P]]|$1|Q|3|R|5|6|7|1I|8|@]|D|@]|E|$]]|$1|S|3|T|5|N|7|1J|8|@]|D|@]|E|$O|P]]|$1|U|3|V|5|6|7|1K|8|@]|D|@]|E|$]]|$1|W|3|X|5|Y|7|1L|8|@]|D|@$9|1M|A|1N|1|1O]]|E|$]]|$1|Z|3|10|5|6|7|1P|8|@]|D|@]|E|$]]]|11|$12|$5|13|14|15|E|$16|17|18|-4]]]]

I had the same problem, and I tried a lot of options. And I had a lot of problems with <code>libdbd-mysql-perl</code>; the system said that was not going to install that library.

So I thought to install it with the Aptitude that install a package and correct all the dependencies.

If you don't have aptitude you can get it like this:<code>sudo apt-get install aptitude</code>

First all you need to uninstall your existing mysql.
Next you need to install the package that you want.

<pre><code>sudo aptitude install mysql-server-5.6
</code></pre>

The aptitude give you a lot of option, what to do. The first options is to keep the actual package. 
So press (N)o until you find the option that say to downgrade the next packages:

<pre><code>libmysqlclient20 [5.7.14-1ubuntu16.04 (&lt;NULL&gt;, now) -&gt; 5.7.13-0ubuntu0.16
mysql-common [5.7.14-1ubuntu16.04 (&lt;NULL&gt;, now) -&gt; 5.6.30-1+deb.sury.org
</code></pre>

then press (Y)es and the aptitude is going to install the mysql-server-5.6. Here's the option that you should accept:

<a href="https://i.stack.imgur.com/kA3Gf.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/kA3Gf.jpg" alt="enter image description here"></a>

If after that the system cannot connect to mysql server you need to restart your computer.

blocks|key|6522492|text|MySQL开发人员在他们自己的仓库中提供了MySQL+5.6的Xenial软件包，因此这应该比安装官方的Ubuntu信任包更好，因为通常安装为您的Ubuntu版本创建的软件包更好。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|6522493|如果您已经拥有MySQL服务器包，您应该首先卸载它们；只需卸载dpkg+-l+%7C+grep+mysql-server显示的所有内容即可。|style|CODE|6522494|只需在前面的链接中下载并安装mysql-apt-config+DEB包即可。在安装过程中，它会询问您想要哪个版本，因此您可以选择5.6。在完成包的安装之后，sudo+apt+update+&&+sudo+apt+install+mysql-server-5.6将安装MySQL服务器5.6。|entityMap|0|LINK|mutability|MUTABLE|url|http://dev.mysql.com/downloads/repo/apt/^0|A|7|0|0|V|R|0|E|G|26|1G^^$0|@$1|2|3|4|5|6|7|Q|8|@]|9|@$A|R|B|S|1|T]]|C|$]]|$1|D|3|E|5|6|7|U|8|@$A|V|B|W|F|G]]|9|@]|C|$]]|$1|H|3|I|5|6|7|X|8|@$A|Y|B|Z|F|G]|$A|10|B|11|F|G]]|9|@]|C|$]]]|J|$K|$5|L|M|N|C|$O|P]]]]

The MySQL developers provide Xenial packages of MySQL 5.6 in <a href="http://dev.mysql.com/downloads/repo/apt/" rel="nofollow noreferrer">their own repositories</a>, and this should thus be preferred over installing the official Ubuntu Trusty packages, since it is in general better to install packages which were created for your version of Ubuntu.

If you already have MySQL Server packages, you should first uninstall them; just uninstall everything that is shown by <code>dpkg -l | grep mysql-server</code>.

Just download and install the <code>mysql-apt-config</code> DEB package in the previous link. During the installation, it will ask which version you want, so you can choose 5.6. After the package is done installing, <code>sudo apt update &amp;&amp; sudo apt install mysql-server-5.6</code> will install MySQL Server 5.6.

It seems that Ubuntu 16.04 is coming with MySQL 5.7, however I need to install 5.6.

When I try to install it explicitly <code>sudo apt-get install mysql-server-5.6</code> I get the following error:

<pre><code>Package mysql-server-5.6 is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source
However the following packages replace it:
 mysql-community-server:i386 mysql-common:i386 mysql-community-server mysql-common percona-xtradb-cluster-server-5.6:i386 percona-server-server-5.6:i386 mysql-testsuite-5.7:i386
 mariadb-server-10.0:i386 percona-xtradb-cluster-server-5.6 percona-server-server-5.6 mysql-testsuite-5.7 mariadb-server-10.0 mysql-server-core-5.7:i386 mysql-server-5.7:i386 mysql-server-core-5.7
 mysql-server-5.7
</code></pre>

Is there any way to install 5.6?

Install MySql 5.6 on Ubuntu 16.04

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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看起来Ubuntu16.04将附带MySQL 5.7，但是我需要安装5.6。当我试图显式安装它时，sudo apt-get install mysql-server-5.6会出现以下错误：Package mysql-server-5.6 is not available, but is referred to by another package.This may mean that the pa

问在Ubuntu16.04上安装MySql 5.6
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