我使用软件更新工具对 14.04-->15.10 进行了升级。我重新登录并尝试升级/更新。我遇到了有关未满足的依赖项与 TeXlive 相关的错误消息，这些消息阻止我执行任何 apt-get 操作。
每次尝试使用 apt-get 执行某些操作时，都会收到此响应：
user@XPS13:~$ sudo apt-get upgrade
[sudo] password for user:
Reading package lists... Done
Building dependency tree
Reading state information... Done
You might want to run 'apt-get -f install' to correct these.
The following packages have unmet dependencies:
asymptote : Depends: texlive-latex-base but it is not installed
Depends: texlive-base-bin
context : Depends: texlive-binaries but it is not installed
Recommends: fonts-freefont but it is not installable
dvipng : Depends: texlive-base-bin
feynmf : Depends: …