Environment
- Carbon Black Cloud Sensor: 2.9.2.x and Higher
- Linux: All Supported Versions
Symptoms
Attempt to install Carbon Black Cloud Sensor on a Red Hat Linux-based host (RHEL, CentOS, Fedora) fails with "error: rpmdb" reference
# sudo ./install.sh '<CompanyRegistrationCode>'
1 Starting install of cbagentd at Tue Sep 14 06:12:51 UTC 2021.
2 error: rpmdb: ... Thread/process ... failed: ... Thread died in Berkeley DB library
3 error: db5 error(-30973) from dbenv->failchk: ... DB_RUNRECOVERY: Fatal error, run database recovery
4 error: cannot open Packages index using db5 - (-30973)
5 error: cannot open Packages database in /var/lib/rpm
...
Failed: agent installation failed.
Cause
RPM database corruption
Resolution
- Make backup directory
mkdir /var/lib/rpm/backup
- Copy databases to backup directory
cp -a /var/lib/rpm/__db* /var/lib/rpm/backup/
- Delete original databases
rm -f /var/lib/rpm/__db.[0-9][0-9]*
- Query packages
rpm --quiet -qa
- Rebuild databases
rpm --rebuilddb
- Clean up all cached information
yum clean all
Additional Notes
- This can be a common scenario if the system shuts down or something else happens while an rpm command is running but is fairly easy to fix
- Steps referenced came from CloudLinux KB
Related Content
