linux乱码输出or下载依赖包错误

解决：
ls 

ls -i

    find -inum 609903 -delete
    end

Downloading packages:
Running transaction check
Running transaction test
Transaction check error:
  package libicu-50.2-4.el7_7.x86_64 is already installed

解决:

删除 该显示的包 
 rpm -e libicu-50.2-4.el7_7.x86_64
再次yum install libicu-50.2-4.el7_7.x86_64  

成功