如何修复 E: 内部错误，libc6 没有文件名，这样会显示如果我这样做：
$ sudo apt-get upgrade
or
$ sudo apt-get install package
这是示例：
$ sudo apt-get upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages have been kept back:
ginn hplip hplip-data libdrm-dev libdrm-intel1 libdrm-nouveau1a
libdrm-radeon1 libdrm2 libgrip0 libhpmud0 libkms1 libsane-hpaio
libunity-2d-private0 libunity-core-5.0-5 linux-generic-pae
linux-headers-generic-pae linux-image-generic-pae printer-driver-hpcups
printer-driver-hpijs unity unity-2d-common unity-2d-panel unity-2d-shell
unity-2d-spread unity-common unity-services
The following packages will be upgraded:
alsa-base firefox firefox-globalmenu firefox-gnome-support firefox-locale-en
icedtea-6-jre-cacao icedtea-6-jre-jamvm icedtea-7-jre-jamvm libdbus-glib-1-2
libdbus-glib-1-dev libgnutls-dev …