为什么 yum 命令不行
[root@localhost ~]# yum -y install gcc
rpmdb: /var/lib/rpm/Packages: file size not a multiple of the pagesize
error: cannot open Packages index using db3 - 无效的参数 (22)
error: cannot open Packages database in /var/lib/rpm
CRITICAL:yum.main:
Error: rpmdb open failed