I noted in apt-get that it was trying to cd to /var/cache/flashplugin-nonfree, but the directory didn't exist. I did sudo mkdir and then tried apt-get again, and got flashplugin-nonfree to install.
I noted in apt-get that it was trying to cd to flashplugin- nonfree, but the directory didn't exist. I did
/var/cache/
sudo mkdir and then tried apt-get again, and got flashplugin-nonfree
to install.