报错如下：
Updating Subscription Management repositories.
{jz:field.toptypename/}Unable to read consumer identity
This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.
Error: There are no enabled repos.
翻译一下就是：无法读取用户标识此系统未注册到“红帽订阅管理”。您可以使用订阅管理器进行注册。错误:没有启用的回购。
解决方案：干掉yum，重新装个centos的yum
# 1. 删除系统自带yum包 [root@localhost ~]# rpm -qa|grep yum yum-4.0.9.2-5.el8.noarch # 2. 不检查依赖直接删除所有yum包 [root@localhost ~]# rpm -qa|grep yum|xargs rpm -e --nodeps # 3. 检查是否删除成功 [root@localhost ~]# rpm -qa|grep yum
下一步，安装yum，使用阿里云镜像，找一下最新版的yum包，AG庄闲游戏和 python3-urllib包
https://mirrors.aliyun.com/centos/8/BaseOS/x86_64/os/Packages/
图片
wget https://mirrors.aliyun.com/centos/8/BaseOS/x86_64/os/Packages/yum-4.7.0-4.el8.noarch.rpm wget https://mirrors.aliyun.com/centos/8/BaseOS/x86_64/os/Packages/yum-utils-4.0.21-3.el8.noarch.rpm wget https://mirrors.aliyun.com/centos/8/BaseOS/x86_64/os/Packages/python3-urllib3-1.24.2-5.el8.noarch.rpm wget https://mirrors.aliyun.com/centos/8/BaseOS/x86_64/os/Packages/dnf-4.7.0-4.el8.noarch.rpm wget https://mirrors.aliyun.com/centos/8/BaseOS/x86_64/os/Packages/python3-dnf-4.7.0-4.el8.noarch.rpm wget https://mirrors.aliyun.com/centos/8/BaseOS/x86_64/os/Packages/python3-dnf-plugins-core-4.0.21-3.el8.noarch.rpm
安装
建站客服QQ：88888888[root@localhost ~]# rpm -ivh --force --nodeps python3-dnf-4.7.0-4.el8.noarch.rpm warning: python3-dnf-4.7.0-4.el8.noarch.rpm: Header V3 RSA/SHA256 Signature, key ID 8483c65d: NOKEY Verifying... ################################# [100%] Preparing... ################################# [100%] Updating / installing... 1:python3-dnf-4.7.0-4.el8 ################################# [100%] [root@localhost ~]# rpm -ivh --force --nodeps python3-dnf-plugins-core-4.0.21-3.el8.noarch.rpm warning: python3-dnf-plugins-core-4.0.21-3.el8.noarch.rpm: Header V3 RSA/SHA256 Signature, key ID 8483c65d: NOKEY Verifying... ################################# [100%] Preparing... ################################# [100%] Updating / installing... 1:python3-dnf-plugins-core-4.0.21-3################################# [100%] [root@localhost ~]# rpm -ivh --force --nodeps dnf-4.7.0-4.el8.noarch.rpm warning: dnf-4.7.0-4.el8.noarch.rpm: Header V3 RSA/SHA256 Signature, key ID 8483c65d: NOKEY Verifying... ################################# [100%] Preparing... ################################# [100%] Updating / installing... 1:dnf-4.7.0-4.el8 ################################# [100%] [root@localhost ~]# rpm -ivh --force --nodeps yum-4.7.0-4.el8.noarch.rpm warning: yum-4.7.0-4.el8.noarch.rpm: Header V3 RSA/SHA256 Signature, key ID 8483c65d: NOKEY Verifying... ################################# [100%] Preparing... ################################# [100%] Updating / installing... 1:yum-4.7.0-4.el8 ################################# [100%] [root@localhost ~]# rpm -ivh --force --nodeps yum-utils-4.0.21-3.el8.noarch.rpm warning: yum-utils-4.0.21-3.el8.noarch.rpm: Header V3 RSA/SHA256 Signature, key ID 8483c65d: NOKEY Verifying... ################################# [100%] Preparing... ################################# [100%] Updating / installing... 1:yum-utils-4.0.21-3.el8 ################################# [100%] [root@localhost ~]# rpm -ivh --force --nodeps python3-urllib3-1.24.2-5.el8.noarch.rpm warning: python3-urllib3-1.24.2-5.el8.noarch.rpm: Header V3 RSA/SHA256 Signature, key ID 8483c65d: NOKEY Verifying... ################################# [100%] Preparing... ################################# [100%] Updating / installing... 1:python3-urllib3-1.24.2-5.el8 ################################# [100%] [root@localhost ~]#
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