当CentOS 执行yum相关的命令的时候，提示“没有东西提供 module(platform:el8)”“nothing provides module(platform:el8)”，可以执行以下命令解决：

dnf -y module disable 要禁用模块名称

模块依赖问题：

 问题 1: conflicting requests
  - nothing provides module(platform:el8) needed by module container-tools:rhel8:8050020211109205056:faa19cc5.x86_64
 问题 2: conflicting requests
  - nothing provides module(platform:el8) needed by module freeradius:3.0:8050020211110013026:ab0f257b.x86_64
 问题 3: conflicting requests
  - nothing provides module(platform:el8) needed by module freeradius:3.0:8050020211221184819:ab0f257b.x86_64
 问题 4: conflicting requests

  - nothing provides module(platform:el8) needed by module gimp:2.8:8000020190628145146:4148dfdf.x86_64

如出现这几个模块问题，那么直接禁用报错的具体模块

dnf -y module disable  container-tools   freeradius  gimp