脚本宝典收集整理的这篇文章主要介绍了【转载】完美解决CentOS8 yum安装AppStream报错，更新yum后无法makecache的问题，脚本宝典觉得挺不错的，现在分享给大家，也给大家做个参考。
CentOS 8 yum安装软件时，提示无法从AppStream下载
[root@C8-3 ~]# yum -y install httpd mariadb-server mariadb php php-MySQL ReposITory AppStream is listed more than once in the configuration Repository extras is listed more than once in the configuration Repository PowerTools is listed more than once in the configuration Repository centosplus is listed more than once in the configuration Repository fasttrack is listed more than once in the configuration CentOS-8 - AppStream 0.0 B/s | 0 B 00:08 Failed to download metadata for repo 'AppStream' Error: Failed to download metadata for repo 'AppStream'
# mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup.3 # wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.cloud.tencent.com/repo/centos8_base.repo
# yum clean all
# yum makecache
centos8会出现以下报错
CentOS-8 - AppStream 0.0 B/s | 0 B 00:04 Failed to download metadata for repo 'AppStream' Error: Failed to download metadata for repo 'AppStream'
解决办法
# vim /etc/yum.repos.d/CentOS-AppStream.repo
#这一段注释掉#[AppStream] #name=CentOS-$releasever - AppStream #mirrorlist=http://mirrorlist.centos.org/?release=$releasever&Arch=$basearch&repo=AppStream&infra=$infra #baseurl=http://mirror.centos.org/$contentdir/$releasever/AppStream/$basearch/os/ #mirrorlist=http://mirror.centos.org/$contentdir/$releasever/AppStream/$basearch/os/ #gpgcheck=1 #enabled=1 #pgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-centosofficial #改为下面这段 [AppStream] name=Qcloud centos AppStream - $basearch baseurl=http://mirrors.cloud.tencent.com/centos/$releasever/AppStream/$basearch/os/ enabled=0 gpgcheck=1 gpgkey=http://mirrors.cloud.tencent.com/centos/RPM-GPG-KEY-CentOS-Official
# yum makecache
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