在CentOS 8中执行yum update，出现报错：
`Failed to set locale, defaulting to C.UTF-8`
[](wp_editor_md_e05b561663f91ea0a915c37d40c6fccc.jpg)
报错原因：没有设置正确的语言环境。
解决方法：
```shell
echo "export LC_ALL=en_US.UTF-8" >> /etc/profile
source /etc/profile
```
[](wp_editor_md_e2d51d71462bc06d7fe2ae88937b652c.jpg)
CentOS8提示Failed to set locale, defaulting to C.UTF-8
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