错误：软件包：glibc-headers-2.17-222.el7.x86_64 需要：kernel-headers -

centos7虚拟机更新系统库出现：

错误：软件包：glibc­headers­2.17­222.el7.x86_64 (base)需要：kernel­headers 
错误：软件包：glibc­headers­2.17­222.el7.x86_64 (base) 需要：kernel­headers >= 2.2.1

解决办法：

wget http://vault.centos.org/5.7/os/x86_64/CentOS/kernel-headers-2.6.18-274.el5.x86_64.rpm

rpm -ivh kernel-headers-2.6.18-274.el5.x86_64.rpm