개요 [root@testlocal ~]# yum update Rocky Linux 8 - AppStream 0.0 B/s | 0 B 00:00 Errors during downloading metadata for repository 'appstream': - Curl error (6): Couldn't resolve host name for https://mirrors.rockylinux.org/mirrorlist?arch=x86_64&repo=AppStream-8 [Could not resolve host: mirrors.rockylinux.org] 오류: repo를 위한 메타자료 내려받기에 실패하였습니다 'appstream': Cannot prepare internal mirrorlist: Curl ..