修复CentOS Failed to download metadata for repo ‘appstream'

使用yum install安装报错

报错如下

“Error: Failed to download metadata for repo ‘appstream'” (CentOS 8)

解决方法

使用下面命令切换CentOS Stream源

dnf --disablerepo '*' --enablerepo=extras swap centos-linux-repos centos-stream-repos

dnf distro-sync