1:强制安装 oraclelinux-release 和 redhat-release 的包 从 yum.oracle.com 找到对应版本这两个包的最新版,例如 Oracle Linux 8(对应 CentOs 8) x86_64 这两个包最新版是 https://yum.oracle.com/repo/OracleLinux/OL8/baseos/latest/x86_64/getPackage/oraclelinux-release-8.3-1.0.4.el8.x86_64.rpm https://yum.oracle.com/repo/OracleLinux/OL8/baseos/latest/x86_64/getPackage/redhat-release-8.3-1.0.0.1.el8.x86_64.rpm 用 rpm 强制安装之 rpm -i --force https://yum.oracle.com/repo/OracleLinux/OL8/baseos/latest/x86_64/getPackage/oraclelinux-release-8.3-1.0.4.el8.x86_64.rpm https://yum.oracle.com/repo/OracleLinux/OL8/baseos/latest/x86_64/getPackage/redhat-release-8.3-1.0.0.1.el8.x86_64.rpm 2: 删除原有 centos release 包 rpm -e centos-gpg-keys centos-repos centos-release 如果有安装 epel-release 也一起删除 rpm -e epel-release 3: 安装 oraclelinux-release-el? 的包,比如 centos 8 就用 oracle-release-el8 ,同样从 yum.oracle.com 找到这个包的最新版 https://yum.oracle.com/repo/OracleLinux/OL8/baseos/latest/x86_64/getPackage/oraclelinux-release-el8-1.0-14.el8.x86_64.rpm rpm -i https://yum.oracle.com/repo/OracleLinux/OL8/baseos/latest/x86_64/getPackage/oraclelinux-release-el8-1.0-14.el8.x86_64.rpm (剩下的事情都可以用 yum 来搞定了) 4: 如果之……
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