更改linux centos 7系统语言

1. 查看当前系统语言
   #locale
2. 查看当前系统支持的语言中是否有要用的语言，如以中文为例
   #locale -a | grep zh_CN
3. 更改系统语言，修改 locale.conf文件
   #vi /etc/locale.conf
   将内容改为：LANG="zh_CN.UTF-8"
4. 更新配置文件
   #source /etc/locale.conf

• 查看结果 locale

  LANG=zh_CN.UTF-8
  LC_CTYPE="zh_CN.UTF-8"
  LC_NUMERIC="zh_CN.UTF-8"
  LC_TIME="zh_CN.UTF-8"
  LC_COLLATE="zh_CN.UTF-8"
  LC_MONETARY="zh_CN.UTF-8"
  LC_MESSAGES="zh_CN.UTF-8"
  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=zh_CN.UTF-8

  如查找时出现以下异常，可按以下方式解决
  异常：

  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.UTF-8
  LC_CTYPE="zh_cn.UTF-8"
  LC_NUMERIC="zh_cn.UTF-8"
  LC_TIME="zh_cn.UTF-8"
  LC_COLLATE="zh_cn.UTF-8"
  LC_MONETARY="zh_cn.UTF-8"
  LC_MESSAGES="zh_cn.UTF-8"
  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"

• 如果要设置中文版的字体编码。在每个文件中增加以下内容

  vim /etc/profile.d/locale.sh

  export LC_CTYPE=zh_CN.UTF-8
  export LC_ALL=zh_CN.UTF-8

  vim /etc/locale.conf

  LANG=zh_CN.UTF-8

  vim /etc/sysconfig/i18n

  LANG=zh_CN.UTF-8

  vim /etc/environment

  LANG=zh_CN.UTF-8
  LC_ALL=zh_CN.UTF-8

  source /etc/profile.d/locale.sh

  source /etc/locale.conf

  source /etc/sysconfig/i18n

  source /etc/environment

• 如果要设置英文版的字体编码。在每个文件中增加以下内容

  # vim /etc/profile.d/locale.sh
  export LC_CTYPE=en_US.UTF-8
  export LC_ALL=en_US.UTF-8
  
  # vim /etc/locale.conf
  LANG=en_US.UTF-8
  
  # vim /etc/sysconfig/i18n
  LANG=en_US.UTF-8
  
  # vim /etc/environment
  LANG=en_US.UTF-8
  LC_ALL=en_US.UTF-8
  
  # source /etc/profile.d/locale.sh
  # source /etc/locale.conf
  # source /etc/sysconfig/i18n
  # source /etc/environment