I receive this error when I install the software.
Basically I want to know which space am I working on.
$sudo apt-get install indicator-workspaces Reading package lists... Done Building dependency tree Reading state information... Done Package indicator-workspaces 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-workspaces' has no installation candidate