i have removed the mate-desktop package
Mate desktop package in Trisquel 7 repositary is not the entire desktop
environment but a library with common API for various MATE modules
i tried to add the ppa but it says error,please check the ppa name*
You can folow the instructions here and it should work for you
https://trisquel.info/en/wiki/installing-mate
Another way is to simply install Mate and only Mate is with
https://urukproject.org/dist/en.html
A very nice Mate respin version of Triquel 7..
xfce4_4.10.1 is available in the Trisquel 7 repos (no need for a PPA) Meta
package.Make sure to add xfce4-indicator-pluggin that will enable
Network-Manager in the panel.
What unmet dependecies ? re-install the dependencie you may have removed
while removing various packages
Trisquel 8 is in Alpha so the possibility is not yet given to users to do a
distribution upgrade,
