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Ubuntu 13.10 – How to install GUI Chinese Lunar Calendar?

(1) Install chinese-calendar:

$ sudo apt-get install chinese-calendar

(2) Launch chinese-calendar:
$ chinese-calendar

(3) You will find the calendar in menu bar.

(1) List the available resolution and refesh rate:

$ xrandr

1229×741 60.0
2560×1600 60.0
1920×1440 60.0
1280×800 59.8*+
..

(2) Choose the resolution and refesh rate:
$ xrandr -s 1920×1440 -r 60.0

How to fix Bluetooth issue? Bluetooth disabled after Ubuntu 13.10 update.

(1) Just to unblock resource.

$ sudo rfkill unblock bluetooth