By default, Chinese character input method is not installed. Following Ubuntu guide in installing SCIM/Chinese, you will then be able to type out Chinese characters in Ubuntu.
A recap from the guide, you will first need to open up your terminal and enter the following to install SCIM/Chinese:
1 2 3 | $sudo apt-get install scim-qtimm im-switch scim-pinyin $im-switch -z en_US -s scim |
Log out and login again.
After that, go to System -> Keyboard Input Methods. Under Input Method Tab, Select an Input Method: Chinese Pinyin or Chinese Bopomofo, then click on Add.

Next, go to System -> Input Method Switcher. Check the radio button to Use IBus (ibus) and click ok.

Log out and login again.
To input Chinese character, just press “Ctrl + space” to activate the Chinese input method. To switch back to default input method, press “Ctrl + space” again.













