当我运行命令时：
apt-get install kernel-package ncurses-dev bzip2
我得到以下输出：
Reading package lists... Done
Building dependency tree
Reading state information... Done
Note, selecting 'libncurses5-dev' instead of 'ncurses-dev'
bzip2 is already the newest version.
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:
kernel-package : Depends: build-essential but it is not going to be installed
libncurses5-dev : Depends: libtinfo5 (= 5.9-10) but 5.9-10ubuntu1 is to be installed
Depends: libncurses5 (= 5.9-10) but 5.9-10ubuntu1 is to be installed
Depends: libtinfo-dev (= 5.9-10) but it is not going to be installed
Depends: ncurses-bin (= 5.9-10) but 5.9-10ubuntu1 is to be installed
E: Unable to correct problems, you have held broken packages.