apt – 升级MySQL服务器问题

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参见英文答案 > “Failed to spawn mysql main process: unable to execute: No such file or directory”                                    14个
我无法升级MySQL服务器.这是我试过的：

我首先发出此命令来更新包列表：

sudo apt-get update

然后,升级：

sudo apt-get upgrade

它显示以下错误：

Reading package lists... Done
Building dependency tree       
Reading state information... Done
You might want to run 'apt-get -f install' to correct these.
The following packages have unmet dependencies:
 mysql-server-5.5 : Depends: mysql-server-core-5.5 (= 5.5.28-0ubuntu0.12.04.2) but 5.5.31-0ubuntu0.12.04.1 is installed
E: Unmet dependencies. Try using -f.

显然安装了较新版本(但为什么？我没有手动安装).好的,正如它建议的那样,我发出命令来尝试修复：

sudo apt-get -f install

这是输出：

Reading package lists... Done
Building dependency tree       
Reading state information... Done
Correcting dependencies... Done
The following extra packages will be installed:
  mysql-server mysql-server-5.5
Suggested packages:
  tinyca mailx
The following packages will be upgraded:
  mysql-server mysql-server-5.5
2 upgraded, 0 newly installed, 0 to remove and 3 not upgraded.
2 not fully installed or removed.
Need to get 0 B/8889 kB of archives.
After this operation, 64.5 kB of additional disk space will be used.
Do you want to continue [Y/n]? Y
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
    LANGUAGE = (unset),
    LC_ALL = (unset),
    LC_CTYPE = "UTF-8",
    LANG = "en_HK.UTF-8"
    are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
locale: Cannot set LC_CTYPE to default locale: No such file or directory
locale: Cannot set LC_ALL to default locale: No such file or directory
dpkg: dependency problems prevent configuration of mysql-server-5.5:
 mysql-server-5.5 depends on mysql-server-core-5.5 (= 5.5.28-0ubuntu0.12.04.2); however:
  Version of mysql-server-core-5.5 on system is 5.5.31-0ubuntu0.12.04.1.
dpkg: error processing mysql-server-5.5 (--configure):
 dependency problems - leaving unconfigured
No apport report written because the error message indicates its a followup error from a previous failure.
                          dpkg: dependency problems prevent configuration of mysql-server:
 mysql-server depends on mysql-server-5.5; however:
  Package mysql-server-5.5 is not configured yet.
dpkg: error processing mysql-server (--configure):
 dependency problems - leaving unconfigured
No apport report written because the error message indicates its a followup error from a previous failure.
                          Errors were encountered while processing:
 mysql-server-5.5
 mysql-server
E: Sub-process /usr/bin/dpkg returned an error code (1)

然后我尝试使用某些人在互联网上建议的另一个命令：

sudo apt-get -f upgrade

产生相同的输出.除了重新安装MySQL服务器,我还能做什么？

使用Ubuntu服务器12.04 LTS

解决方法:

这发生在我身上,但是在做了sudo apt-get更新后,它以某种方式没有得到mysql-server的最新版本,只有mysql-server-core.我首先建议做另一个sudo apt-get更新,然后继续安装包

sudo apt-get install mysql-server

如果这不起作用,那么重新安装：

sudo apt-get install --reinstall mysql-server

如果这不起作用,那么只需清除包mysql-server-core包,然后再次安装mysql-server.

sudo apt-get purge mysql-server-core mysql-server-core-5.5

sudo apt-get install mysql-server

如果这不起作用,那就疯狂吧：

sudo apt-get clean

sudo apt-get autoclean

sudo apt-get purge mysql-server*

sudo apt-get install mysql-server

作为最后的手段,我会清除,重启,安装.

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