locale 命令结果：

 [root@0d77323f6fb2 ~]# 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.utf8

POSIX

dnf安装软件报错

[root@0d77323f6fb2 ~]# dnf install -y --enablerepo=powertools rpmdevtools

Failed to set locale, defaulting to C.UTF-8

CentOS Linux 8 - AppStream                      83 B/s | 38 B  00:00

Error: Failed to download metadata for repo 'appstream': Cannot prepare internal mirrorlist: No URLs                                                                          in mirrorlist

dnf update结果

[root@0d77323f6fb2 ~]# dnf update

Failed to set locale, defaulting to C.UTF-8

CentOS Linux 8 - AppStream                                29 B/s | 38 B  00:01

Error: Failed to download metadata for repo 'appstream': Cannot prepare internal mirrorlist: No URLs in mirrorlist

yum 安装软件报错

[root@0d77323f6fb2 ~]# yum install glibc-langpack-zh

Failed to set locale, defaulting to C.UTF-8

CentOS Linux 8 - AppStream                                                                                                17 B/s | 38 B  00:02

Error: Failed to download metadata for repo 'appstream': Cannot prepare internal mirrorlist: No URLs in mirrorlist

解决方法

cd /etc/yum.repos.d/

sed -i 's/mirrorlist/#mirrorlist/g' /etc/yum.repos.d/CentOS-*

sed -i 's|#baseurl=http://mirror.centos.org|baseurl=http://vault.centos.org|g' /etc/yum.repos.d/CentOS-*

yum update -y

locale -a结果

[root@0d77323f6fb2 /]# locale -aCC.utf8en_AGen_AUen_AU.utf8en_BWen_BW.utf8en_CAen_CA.utf8en_DKen_DK.utf8en_GBen_GB.iso885915en_GB.utf8en_HKen_HK.utf8en_IEen_IE@euroen_IE.utf8en_ILen_INen_NGen_NZen_NZ.utf8en_PHen_PH.utf8en_SC.utf8en_SGen_SG.utf8en_USen_US.iso885915en_US.utf8en_ZAen_ZA.utf8en_ZMen_ZWen_ZW.utf8POSIX