最近装了台ubuntu server做虚拟机，与字符集有关的各种配置都选用了utf8.

ssh连接上去之后，在shell中无法输入中文，复制粘贴也不行，SecureCRT和Bitvise Xterm都是如此。putty没有试过。

在vim中却可以输入中文，写代码虽然不受影响，但是要在shell中grep/ack的时候就有点郁闷 。

一次偶然的机会，为了解决perl 对于locale的报错， 竟然搞定了这个问题。

modify@ubuntu:~/apps/6$ ack "template_c" -w
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
 LANGUAGE = "zh_CN:zh",
 LC_ALL = (unset),
 LC_PAPER = "zh_CN",
 LC_ADDRESS = "zh_CN",
 LC_MONETARY = "zh_CN",
 LC_NUMERIC = "zh_CN",
 LC_TELEPHONE = "zh_CN",
 LC_IDENTIFICATION = "zh_CN",
 LC_MEASUREMENT = "zh_CN",
 LC_TIME = "zh_CN",
 LC_NAME = "zh_CN",
 LANG = "zh_CN.UTF-8"
 are supported and installed on your system.
perl: warning: …