Fixing the Error:DB_RUNRECOVERY:Fatal Error, run database recovery

If You have a message similar to this:

[Username@localhost ~]$ sudo yum update
Rpmdb:thread/process 2402/139688794072832 Failed:thread died in Berkeley DB Library
ERROR:DB4 error ( -30974) from Dbenv->failchk:db_runrecovery:fatal error, run database recovery
Error:cannot Open Packages Index using DB3-(-30974)
Error:cannot Open Packages Database in/var/lib/rpm
CRITICAL:yum.main:

Error:rpmdb Open failed

can fix it by running the following 3 commands:

[Username@localhost ~]$ sudo rm-f/var/lib/rpm/__db*
[Username@localhost ~]$ sudo db_verify/var/lib/rpm/packages
[Username@localhost ~]$ sudo rpm--rebuilddb