ubuntu - 错误 0 升级，0 新安装，0 删除和 474 未升级

Question

我有一个 Ubuntu 14.04 和内核 3.16.0-30 ，如果我这样做:

sudo apt-get update     
sudo apt-get install libtool automake libncurses5-dev kernel-package 

或者

sudo apt-get update
sudo apt-get install cvs subversion build-essential git-core g++-multilib gcc-multilib

结果是:

ore g++-multilib gcc-multilib
Reading package lists... Done
Building dependency tree... 50%
Building dependency tree       
Reading state information... Done
build-essential is already the newest version.
cvs is already the newest version.
g++-multilib is already the newest version.
gcc-multilib is already the newest version.
git-core is already the newest version.
subversion is already the newest version.
0 upgraded, 0 newly installed, 0 to remove and 474 not upgraded.

问题是什么 ？以及如何解决这个问题？

Answer 1

这对我有用

sudo apt-get dist-upgrade