报错：

The following packages have unmet dependencies:
 vim : Depends: libpython3.5 (>= 3.5.0~b1) but it is not going to be installed
       Depends: libtinfo5 (>= 6) but it is not going to be installed
E: Unable to correct problems, you have held broken packages.
安装vim时候出现的错误

经过网上一度的查阅，所有博文都是一样，先卸 sudo apt-get remove vim-common（前提是报错含有）再sudo apt-get -f install接着更新sudo apt-get update，这个方法本人操作不可行。

经过研究后，报错写着说明容器内缺少依赖，按照提示安装需要的依赖即可，之后可能还会提示缺少其他的依赖，提示缺少什么，安装什么即可.

解决方法：

sudo su进入root模式

apt-get install libtinfo5  

接着可能会出现如下错误

WARNING: The following essential packages will be removed.
This should NOT be done unless you know exactly what you are doing!
  sysvinit
26 upgraded, 63 newly installed, 6 to remove and 292 not upgraded.
Need to get 14.3 MB/15.0 MB of archives.
After this operation, 21.1 MB disk space will be freed.
You are about to do something potentially harmful.
To continue type in the phrase 'Yes, do as I say!'
 ?] 

只需要输入如下即可：

Yes, do as I say!

接着安装另一个：

apt-get install libpython3.5

随后即可安装vim

apt-get install vim

如果提示: E: Unable to locate package vim
这个错误则需要更新一下下载源后即可安装.

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