glibc手动升级高版本导致系统(RedHat/Centos)异常(无法开机等)的解决方法(回退低版本glibc)

​​https://www.zhihu.com/question/331104720​​

​​https://kn007.net/topics/upgrade-glibc-to-2-15-on-centos-6/​​