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Ubuntu 15.10 安装 mysql-server 时出错

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Ubuntu 15.10 安装 mysql-server 时出错

我一直在尝试安装 mysql-server，但是在安装过程中遇到此错误，该如何解决？

 sudo aptitude install mysql-server
The following NEW packages will be installed:
  mysql-server-5.6{a} 
The following partially installed packages will be configured:
  mysql-server 
0 packages upgraded, 1 newly installed, 0 to remove and 5 not upgraded.
Need to get 0 B/5,744 kB of archives. After unpacking 52.4 MB will be used.
Do you want to continue? [Y/n/?] y
Preconfiguring packages ...              
(Reading database ... 387903 files and directories currently installed.)
Preparing to unpack .../mysql-server-5.6_5.6.27-0ubuntu1_amd64.deb ...
Aborting downgrade from (at least) 10.0 to 5.6.
If are sure you want to downgrade to 5.6, remove the file
/var/lib/mysql/debian-*.flag and try installing again.
dpkg: error processing archive /var/cache/apt/archives/mysql-server-5.6_5.6.27-0ubuntu1_amd64.deb (--unpack):
 subprocess new pre-installation script returned error exit status 1
Errors were encountered while processing:
 /var/cache/apt/archives/mysql-server-5.6_5.6.27-0ubuntu1_amd64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)
Failed to perform requested operation on package.  Trying to recover:
dpkg: dependency problems prevent configuration of mysql-server:
 mysql-server depends on mysql-server-5.6; however:
  Package mysql-server-5.6 is not installed.

dpkg: error processing package mysql-server (--configure):
 dependency problems - leaving unconfigured
Errors were encountered while processing:
 mysql-server

答案1

Mariadb 一个分叉mySql项目当前注册为 SQL Server 版本 10。为了允许安装，mySql您需要删除所有组件Mariadb或费尽周折并排安装两个数据库服务器。

本文描述了如何Mariadb与 一起运行mySql，为 centOs 编写，但不太容易阅读。使用此作为指南，您可能能够安装两个 dB。

答案2

错误信息说If are sure you want to downgrade to 5.6, remove the file /var/lib/mysql/debian-*.flag and try installing again.

因此，您可以运行以下命令来解决此问题：

sudo rm /var/lib/mysql/debian-*.flag
sudo apt-get -f install

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