indicator-applet-session software package provides GNOME panel indicator applet with session related indicators, you can install in your Debian 7 (Wheezy) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install indicator-applet-session
indicator-applet-session is installed in your system.
Make ensure the indicator-applet-session package were installed using the commands given below,
$ sudo dpkg-query -l | grep indicator-applet-session *
You will get with indicator-applet-session package name, version, architecture and description in a table
| Distro | Debian 7 wheezy |
| Section | GNOME |
| Package | indicator-applet-session |
| Version | 0.5.0-1 |
| Description | GNOME panel indicator applet with session related indicators |
| Sub Section | GNOME |