CentOS 8不能下载软件，CentOS Linux 8 - AppStream,Error: Failed to download metadata for repo 'appstream': Cannot prepare internal mirrorlist: No URLs in mirrorlist

系统：CentOS 8

软件：AppStream

功能：CentOS 8下载功能，安装软件

同类型的：

https://www.zhuguodong.com/?id=723

CentOS Linux 8 - AppStream                                          3.5  B/s |  38  B     00:10

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

Error: Failed to download metadata for repo 'appstream': Cannot prepare inte，centos Error: Failed to download metadata for repo 'AppStream'

修改软件源

在/etc/yum.repos.d文件夹下有

CentOS-Base.repo 

CentOS-AppStream.repo 

CentOS-Extras.repo

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修改-CentOS-Base.repo/CentOS-AppStream.repo/CentOS-Extras.repo下面的-删除替换

#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=AppStream&infra=$infra

baseurl=http://vault.centos.org/$contentdir/$releasever/AppStream/$basearch/os/

保存

成功

--------------------------------------------------------------------------------------

[base]

name=CentOS-8.5.2111 - Base - mirrors.aliyun.com

baseurl=http://mirrors.aliyun.com/centos-vault/8.5.2111/BaseOS/$basearch/os/

        http://mirrors.aliyuncs.com/centos-vault/8.5.2111/BaseOS/$basearch/os/

        http://mirrors.cloud.aliyuncs.com/centos-vault/8.5.2111/BaseOS/$basearch/os/

gpgcheck=0

gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-Official

--------------------------------------------------------------------------------------

#additional packages that may be useful

[extras]

name=CentOS-8.5.2111 - Extras - mirrors.aliyun.com

baseurl=http://mirrors.aliyun.com/centos-vault/8.5.2111/extras/$basearch/os/

        http://mirrors.aliyuncs.com/centos-vault/8.5.2111/extras/$basearch/os/

        http://mirrors.cloud.aliyuncs.com/centos-vault/8.5.2111/extras/$basearch/os/

gpgcheck=0

gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-Official

-------------------------------------------------------------------------------------- 

#additional packages that extend functionality of existing packages

[centosplus]

name=CentOS-8.5.2111 - Plus - mirrors.aliyun.com

baseurl=http://mirrors.aliyun.com/centos-vault/8.5.2111/centosplus/$basearch/os/

        http://mirrors.aliyuncs.com/centos-vault/8.5.2111/centosplus/$basearch/os/

        http://mirrors.cloud.aliyuncs.com/centos-vault/8.5.2111/centosplus/$basearch/os/

gpgcheck=0

enabled=0

gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-Official

-------------------------------------------------------------------------------------- 

[PowerTools]

name=CentOS-8.5.2111 - PowerTools - mirrors.aliyun.com

baseurl=http://mirrors.aliyun.com/centos-vault/8.5.2111/PowerTools/$basearch/os/

        http://mirrors.aliyuncs.com/centos-vault/8.5.2111/PowerTools/$basearch/os/

        http://mirrors.cloud.aliyuncs.com/centos-vault/8.5.2111/PowerTools/$basearch/os/

gpgcheck=0

enabled=0

gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-Official

--------------------------------------------------------------------------------------

[AppStream]

name=CentOS-8.5.2111 - AppStream - mirrors.aliyun.com

baseurl=http://mirrors.aliyun.com/centos-vault/8.5.2111/AppStream/$basearch/os/

        http://mirrors.aliyuncs.com/centos-vault/8.5.2111/AppStream/$basearch/os/

        http://mirrors.cloud.aliyuncs.com/centos-vault/8.5.2111/AppStream/$basearch/os/

gpgcheck=0

gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-Official

更新yum源为阿里镜像

wget -O /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-vault-8.5.2111.repo