Please configure the SSH client and set the environment variable to LANG as below:

Setting up an SSH client (Windows)

• In PuTTY(Japanese)

Select ウィンドウ > 変換 > 文字コードの設定, and then select UTF-8.

• In TeraTerm

In the menu, select 設定 > 端末 > 漢字-受信 and 漢字-送信, and then select UTF-8.

Setting up the environment variable, LANG.

In the case of tcsh

 $ setenv LANG "ja_JP.UTF-8" 

In the case of bash

$ export LANG="ja_JP.UTF-8"