ubuntu安装没法安装git是什么问题

Question

wzh@ubuntu:~$ git
The program 'git' is currently not installed. You can install it by typing:
sudo apt-get install git
wzh@ubuntu:~$ sudo apt-get install git
[sudo] password for wzh:
Reading package lists... Done
Building dependency tree

Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
git : Depends: liberror-perl but it is not installable
E: Unable to correct problems, you have held broken packages.
wzh@ubuntu:~$

上面是显示的信息

Answer 1

试一下如下命令：

 sudo apt-get update  
sudo apt-get upgrade
sudo apt-get install -f