linux 易错笔记

  1. centos降级到指定版本
wget https://www.repo.cloudlinux.com/cloudlinux/migrate/release-files/centos/7/x86_64/centos-release-7-9.2009.0.el7.centos.x86_64.rpm
rpm -Uvh --oldpackage centos-release-7-9.2009.0.el7.centos.x86_64.rpm --nodeps --force
reboot

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