升级centos-stream

生信喵

1. #默认腾讯云centos8.2系统
   
2. #升级到centos-stream
   
3. dnf swap centos-linux-repos centos-stream-repos
   
4. dnf distro-sync

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完成后查看下当前系统

1. Complete!
   
2. root 10:07:45 ~
   
3. $ cat /etc/centos-release
   
4. CentOS Stream release 8
   

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