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apt-get 命令不同步

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apt-get 命令不同步

我正在运行 Ubuntu Server 15.10，突然apt-get搞不清楚哪些包是必需的，哪些不是。我想我apt-get -f install在发生这种情况之前就运行过了，因为有未满足的依赖关系。

当我运行 dist-upgrade 时，它​​告诉我有很多东西可以删除：

$ sudo apt-get dist-upgrade                                    
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Calculating upgrade... The following package was automatically installed and is no longer required:
  aspell aspell-en dictionaries-common emacsen-common enchant hunspell-en-us
  libaspell15 libenchant1c2a libhunspell-1.3-0 libhunspell-1.3-0v5 libqdbm14
  libxslt1.1 php-common
Use 'apt-get autoremove' to remove it.
Done
The following packages have been kept back:
  php-pear
0 upgraded, 0 newly installed, 0 to remove and 1 not upgraded.

因此我运行了自动删除，但是随后发生了以下情况：

$ sudo apt-get autoremove                                    
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following packages will be REMOVED:
  php-common
0 upgraded, 0 newly installed, 1 to remove and 1 not upgraded.
After this operation, 62,5 kB disk space will be freed.
Do you want to continue? [Y/n] y
(Reading database ... 106550 files and directories currently installed.)
Removing php-common (18+deb.sury.org~wily+1) ...
root root 1733 /var/lib/php/sessions

我真的不知道该怎么做，我尝试再次执行更新&&dist-upgrade，php-common重新安装，并一直说我应该运行自动删除。

我不知道该怎么做。

更多信息

输出apt-cache policy php-pear

php-pear:
  Installed: 5.6.11+dfsg-1ubuntu3.1
  Candidate: 1:1.10.1+submodules+notgz-3+deb.sury.org~wily+2
  Version table:
     1:1.10.1+submodules+notgz-3+deb.sury.org~wily+2 0
        500 http://ppa.launchpad.net/ondrej/php-7.0/ubuntu/ wily/main amd64 Packages
 *** 5.6.11+dfsg-1ubuntu3.1 0
        500 http://archive.ubuntu.com/ubuntu/ wily-updates/main amd64 Packages
        500 http://security.ubuntu.com/ubuntu/ wily-security/main amd64 Packages
        100 /var/lib/dpkg/status
     5.6.11+dfsg-1ubuntu3 0
        500 http://archive.ubuntu.com/ubuntu/ wily/main amd64 Packages

输出apt-cache policy php-common

php-common:
  Installed: 18+deb.sury.org~wily+1
  Candidate: 18+deb.sury.org~wily+1
  Version table:
 *** 18+deb.sury.org~wily+1 0
        500 http://ppa.launchpad.net/ondrej/php-7.0/ubuntu/ wily/main amd64 Packages
        100 /var/lib/dpkg/status

答案1

该软件包php-common不在标准 Wily 存储库中。但您已添加 PPA，ppa:ondrej/php-7.0并且此 PPA 中的软件包php-pear依赖于php-common，而 也位于此 PPA 中。

您的问题是，php-pear无论出于何种原因，都无法安装，但是php-common。因此，将安装该软件包，但后来才发现它是不必要的，因为无法安装php-common“父”软件包。php-pear

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