How to set LC_ALL for systemwide changes?

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博客围绕 Red Hat Enterprise Linux 7 系统展开，提出如何设置语言以及如何让设置在系统重启后仍生效的问题。给出的解决方案是在特定文件中添加所需语言设置并注销使更改生效，还指出在另一处操作虽可行但可能有混淆，建议修改特定文件。

https://access.redhat.com/solutions/3533681

SOLUTION UNVERIFIED - 已更新 2018年七月19日02:20 -

English

环境

Red Hat Enterprise Linux 7

问题

How to set LC_ALL in Red Hat Enterprise Linux 7?
How to set LC_ALL to persist after system reboot?

决议

Append LC_ALL and the required locale to /etc/environment file and log out for the changes to take effect.

For Example:

Raw

[root@example ~]# locale 
LANG=en_AU.UTF-8
LC_CTYPE="en_AU.UTF-8"
LC_NUMERIC="en_AU.UTF-8"
LC_TIME="en_AU.UTF-8"
LC_COLLATE="en_AU.UTF-8"
LC_MONETARY="en_AU.UTF-8"
LC_MESSAGES="en_AU.UTF-8"
LC_PAPER="en_AU.UTF-8"
LC_NAME="en_AU.UTF-8"
LC_ADDRESS="en_AU.UTF-8"
LC_TELEPHONE="en_AU.UTF-8"
LC_MEASUREMENT="en_AU.UTF-8"
LC_IDENTIFICATION="en_AU.UTF-8"
LC_ALL=

[root@example ~]# cat /etc/locale.conf 
LANG="en_AU.UTF-8"

To set LC_ALL=en_US.UTF-8 append this entry in /etc/environment

Raw

[root@example ~]# cat /etc/environment 
LC_ALL=en_US.UTF-8

Logout and then log in for the effect to take place

Raw

[root@example ~]# locale
LANG=en_US.UTF-8
LC_CTYPE="en_US.UTF-8"
LC_NUMERIC="en_US.UTF-8"
LC_TIME="en_US.UTF-8"
LC_COLLATE="en_US.UTF-8"
LC_MONETARY="en_US.UTF-8"
LC_MESSAGES="en_US.UTF-8"
LC_PAPER="en_US.UTF-8"
LC_NAME="en_US.UTF-8"
LC_ADDRESS="en_US.UTF-8"
LC_TELEPHONE="en_US.UTF-8"
LC_MEASUREMENT="en_US.UTF-8"
LC_IDENTIFICATION="en_US.UTF-8"
LC_ALL=en_US.UTF-8

This changes can also be performed in /etc/locale.conf however, the Lang parameter will not change and if the output of #localecommand is checked, it will show the original value. To avoid confusion, it is better to modify /etc/environment