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[腾讯云]主机中文乱码¶

参考：

修改文件locale

$ cat /etc/default/locale
LANG=en_US.utf8

修改为

LANG=zh_CN.utf8

重启，使用locale命令查看是否成功

$ locale  
locale: Cannot set LC_CTYPE to default locale: No such file or directory
locale: Cannot set LC_MESSAGES to default locale: No such file or directory
locale: Cannot set LC_ALL to default locale: No such file or directory
LANG=zh_CN.utf8
LANGUAGE=
LC_CTYPE="zh_CN.utf8"
LC_NUMERIC=zh_CN.UTF-8
LC_TIME=zh_CN.UTF-8
LC_COLLATE="zh_CN.utf8"
LC_MONETARY=zh_CN.UTF-8
LC_MESSAGES="zh_CN.utf8"
LC_PAPER=zh_CN.UTF-8
LC_NAME=zh_CN.UTF-8
LC_ADDRESS=zh_CN.UTF-8
LC_TELEPHONE=zh_CN.UTF-8
LC_MEASUREMENT=zh_CN.UTF-8
LC_IDENTIFICATION=zh_CN.UTF-8
LC_ALL=

$ locale -a
locale: Cannot set LC_CTYPE to default locale: No such file or directory
locale: Cannot set LC_MESSAGES to default locale: No such file or directory
locale: Cannot set LC_COLLATE to default locale: No such file or directory
C
C.UTF-8
POSIX
en_US
en_US.iso88591
en_US.utf8

如果缺失中文包，重新安装

$ sudo locale-gen zh_CN.UTF-8
Generating locales (this might take a while)...
zh_CN.UTF-8... done
Generation complete.

$ sudo apt-get install language-pack-zh-hans
正在读取软件包列表... 完成
正在分析软件包的依赖关系树       
正在读取状态信息... 完成       
将会同时安装下列软件：
language-pack-zh-hans-base
下列【新】软件包将被安装：
language-pack-zh-hans language-pack-zh-hans-base
升级了 0 个软件包，新安装了 2 个软件包，要卸载 0 个软件包，有 219 个软件包未被升级。
有 1 个软件包没有被完全安装或卸载。
需要下载 2,110 kB 的归档。
解压缩后会消耗 8,545 kB 的额外空间。
您希望继续执行吗？ [Y/n] 
获取:1 http://mirrors.tencentyun.com/ubuntu xenial-updates/main amd64 language-pack-zh-hans-base all 1:16.04+20160627 [2,108 kB]
获取:2 http://mirrors.tencentyun.com/ubuntu xenial-updates/main amd64 language-pack-zh-hans all 1:16.04+20160627 [1,870 B]
已下载 2,110 kB，耗时 0秒 (2,647 kB/s)      
正在选中未选择的软件包 language-pack-zh-hans-base。
(正在读取数据库 ... 系统当前共安装有 66800 个文件和目录。)
正准备解包 .../language-pack-zh-hans-base_1%3a16.04+20160627_all.deb  ...
正在解包 language-pack-zh-hans-base (1:16.04+20160627) ...
正在选中未选择的软件包 language-pack-zh-hans。
正准备解包 .../language-pack-zh-hans_1%3a16.04+20160627_all.deb  ...
正在解包 language-pack-zh-hans (1:16.04+20160627) ...
正在设置 nginx-core (1.10.3-0ubuntu0.16.04.3) ...
正在设置 language-pack-zh-hans (1:16.04+20160627) ...
正在设置 language-pack-zh-hans-base (1:16.04+20160627) ...
Generating locales (this might take a while)...
zh_SG.UTF-8... done
Generation complete.

测试

$ locale -a
C
C.UTF-8
en_US
en_US.iso88591
en_US.utf8
POSIX
zh_CN.utf8

$ locale
LANG=zh_CN.utf8
LANGUAGE=
LC_CTYPE="zh_CN.utf8"
LC_NUMERIC=zh_CN.UTF-8
LC_TIME=zh_CN.UTF-8
LC_COLLATE="zh_CN.utf8"
LC_MONETARY=zh_CN.UTF-8
LC_MESSAGES="zh_CN.utf8"
LC_PAPER=zh_CN.UTF-8
LC_NAME=zh_CN.UTF-8
LC_ADDRESS=zh_CN.UTF-8
LC_TELEPHONE=zh_CN.UTF-8
LC_MEASUREMENT=zh_CN.UTF-8
LC_IDENTIFICATION=zh_CN.UTF-8
LC_ALL=

再次重启即可