It is difficult to type japanese by using Ubuntu

it is difficult to type japanese by use Ubuntu.My  PC had be broken so  I use another PC. This PC's OS is Ubuntu...

ahhhhh...

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I often wake up early to arrive office. because I scary to be panic.
To wake up early is tired for me.
Thus I tired everyday.

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My working office will be changed after 2 weeks.
I'm nervous and worry.
My new supervisor is kind or strict?
Do I fit new environment?
There are many concern.

Do I take on train without being panic? 

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