Xfce desktop session in Ubuntu 14.04 /14.10 does not display Network Manager, Messaging Menu, Keyboard Input, and Power icons on the panel out-of-the-box.
Thanks to Mark Trompell, it’s quite easy to add those icons back to Xfce panel by a small plugin called xfce4-indicator-plugin.
1. To install the plugin, open Ubuntu Software Center, search for and install the package xfce4-indicator-plugin.
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