我正在尝试安装 mysql-server-5.6 包，但是出现以下错误消息：
root@ps481138:/home/nikitasorokin# apt-get install mysql-server-5.6
Reading package lists... Done
Building dependency tree
Reading state information... Done
mysql-server-5.6 is already the newest version.
0 upgraded, 0 newly installed, 0 to remove and 941 not upgraded.
1 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Do you want to continue? [Y/n] y
Setting up mysql-server-5.6 (5.6.25-0ubuntu1) ...
stop: Unknown instance:
invoke-rc.d: initscript mysql, action "stop" failed.
update-alternatives: error: alternative path /etc/mysql/mysql.cnf doesn't exist
dpkg: error processing package mysql-server-5.6 (--configure):
subprocess installed post-installation script returned error exit status 2
Errors were encountered while processing:
mysql-server-5.6
E: Sub-process /usr/bin/dpkg returned an error code (1)
Apt-cache 结果：
root@ps481138:/home/nikitasorokin# apt-cache policy mysql-server-5.6
mysql-server-5.6:
Installed: 5.6.25-0ubuntu1
Candidate: 5.6.25-0ubuntu1
Version table:
*** 5.6.25-0ubuntu1 0
500 http://archive.ubuntu.com/ubuntu/ wily/main amd64 Packages
100 /var/lib/dpkg/status
附加信息：
lsb_release -a; uname -a
Distributor ID: Ubuntu
Description: Ubuntu 12.04.5 LTS
Release: 12.04
Codename: precise
Linux ps481138 3.1.9-vs2.3.2.5vs2.3.2.5+ #3 SMP Wed Feb 12 13:51:29 PST 2014 x86_64 x86_64 x86_64 GNU/Linux
您认为导致此错误的原因是什么？我该如何修复它？提前致谢！
答案1
抱歉，你不能在 Ubuntu Precise 中安装此 Ubuntu Wily 软件包。再次抱歉，我的回答太短，并且预示着坏消息：\
删除系统内的 Wily 存储库。