Reinstale o pacote Indicator-appmenu

Reinstale o pacote Indicator-appmenu

Estou usando o Ubuntu 16.04 e desabilitei o menu global usando o seguinte comando:

sudo apt-get remove indicator-appmenu

Como posso reativá-lo?

Eu amarrei o comando:

sudo apt-get install  indicator-appmenu

mas com resposta:

Package indicator-appmenu is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source 
E: Package 'indicator-appmenu' has no installation candidate

informação relacionada