二、yum不能安裝包
[root@localhost ~]# yum install dhcpd -y
Updating Subscription Management repositories.
Unable to read consumer identity
This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.
Repository 'BaseOS' is missing name in configuration, using id.
Repository 'AppStream' is missing name in configuration, using id.
BaseOS 0.0 B/s | 0 B 00:00
Errors during downloading metadata for repository 'BaseOS':
- Curl error (37): Couldn't read a file:// file for file:///mnt/BaseOS/repodata/repomd.xml [Couldn't open file /mnt/BaseOS/repodata/repomd.xml] //出現錯誤
Error: Failed to download metadata for repo 'BaseOS': Cannot download repomd.xml: Cannot download repodata/repomd.xml: All mirrors were tried
解決方式
[root@localhost ~]# vim /etc/yum.repos.d/rhel8-2.repo<-----（自己本地的名稱） //進入此文件查看。