I updated Ubuntu 11.04 to 12.04 Beta 2 an also couldn't find the "appy system wide" button. It turned out, the "admin" group was called "adm". Renaming it to "admin" made the button visible. This may be useful as a short-term workaround.
I updated Ubuntu 11.04 to 12.04 Beta 2 an also couldn't find the "appy system wide" button. It turned out, the "admin" group was called "adm". Renaming it to "admin" made the button visible. This may be useful as a short-term workaround.