运行时sudo apt-get upgrade我得到以下信息：
You might want to run 'apt-get -f install' to correct these.
The following packages have unmet dependencies:
conky-all : Depends: libcurl3-gnutls (>= 7.16.2) but it is not installed
git : Depends: libcurl3-gnutls (>= 7.16.2) but it is not installed
gstreamer0.10-plugins-bad : Depends: libcurl3-gnutls (>= 7.16.2) but it is not installed
icecast2 : Depends: libcurl3-gnutls (>= 7.16.2) but it is not installed
libquvi7 : Depends: libcurl3-gnutls (>= 7.16.2) but it is not installed
libraptor2-0 : Depends: …