apt-get broken after version update (unmet dependencies)
  
 
     
     
             
                 
 
 
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 I did an upgrade for 14.04-->15.10 with the software update tool.  I logged back in and tried to upgrade/update.  I'm met with error messages about unmet dependencies have to do with TeXlive which are preventing me from do any apt-get operations.   I get this response every time I try to do something with apt-get:    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-freefo...