闲着没事就是爱折腾，免费阿里云主机一直闲着，今天有空鼓捣了一下。
创建用户的时候出现了一点小问题，写篇博文以备后查。
执行命令：
<span style="font-size:14px;
">adduser testuesr</span>
错误提示如下：
<span style="font-size:14px;
">perl: warning: Setting locale failed.perl: warning: Please check that your locale settings: LANGUAGE = "en_US:en", LC_ALL = (unset), LC_PAPER = "zh_CN.UTF-8", LC_ADDRESS = "zh_CN.UTF-8", LC_MONETARY = "zh_CN.UTF-8", LC_NUMERIC = "zh_CN.UTF-8", LC_TELEPHONE = "zh_CN.UTF-8", LC_IDENTIFICATION = "zh_CN.UTF-8", LC_MEASUREMENT = "zh_CN.UTF-8", LC_TIME = "zh_CN.UTF-8", LC_NAME = "zh_CN.UTF-8", LANG = "en_US.UTF-8" are supported and installed on your system.perl: warning: Falling back to the standard locale ("C").</span>
解决方法：
step 1)
step 2)<span style="font-size:14px;
">vim .bashrc</span>
文件末尾追加：
或者执行命令：<span style="font-size:14px;
">export LC_ALL=C</span>
step 3)<span style="font-size:14px;
">#echo "export LC_ALL=C" >> /root/.bashrc</span>
最后执行：
<span style="font-size:14px;
">source /root/.bashrc </span>
OK, 问题解决～
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