yuminstall命令格式(rpm数据库已被非yum程序修改)

yum install XXX 导致 RPM数据库损坏。rpmdb: PANIC: fatal region error detected; run recoveryerror: db3 error(-30974) from dbenv->open: DB_RUNRECOVERY: Fatal error, run database recoveryerror: cannot open Packages index using db3 - (-30974)error: cannot open Packages database in /var/lib/rpmCRITICAL:yum.main:Error: rpmdb open failed解决办法：rm /var/lib/rpm/__db*rpm --rebuilddbyum clean all删除、重建、清缓存。