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Sometimes icons don't draw successfully in the GNOME panel and a killall gnome-panel is a good quick fix. Is there an equivalent in Unity? I'm specifically having issues with the Dropbox icon.

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up vote 7 down vote accepted

killall mutter will restart the window manager, which includes Unity and its components (panel, sidebar, etc). The screen will flicker as it restarts, but your windows and applications should stay open afterwards.

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Thanks, that worked, though I had to restart mutter manually. – Leon Nardella Oct 10 '10 at 20:27
Really? That's odd, it should have respawned on its own. – Jacob Peddicord Oct 10 '10 at 20:30

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