在Linux上使用yum 安装软件时候提示错误：
[root@txvm2019 rabbitmq]# yum install socat -y
error: rpmdb: BDB0113 Thread/process 16035/139850996197440 failed: BDB1507 Thread died in Berkeley DB library
error: db5 error(-30973) from dbenv->failchk: BDB0087 DB_RUNRECOVERY: Fatal error, run database recovery
error: cannot open Packages index using db5 - (-30973)
error: cannot open Packages database in /var/lib/rpm
CRITICAL:yum.main:
解决方法，执行以下命令删除rpm，重新构建rpm数据库即可：
cd /var/lib/rpm rm -rf __db* rpm --rebuilddb
