Putty UTF-8

http://blog.wensheng.com/2007/05/putty-utf8-and-chinese.html

Putty setting.
open putty -> window -> Translation -> remote character set to UTF-8

Host computer need to do following step.
//check language setting
] echo $LANG

//add following line to .bashrc
] vi .bashrc
] export LANG=en_US.UTF-8