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In Fedora mariadb, cracklib has been enabled [0] in order to verify the password strength. Disable cracklib in Fedora devstack in order to allow simple passwords in dev environments. [0] https://src.fedoraproject.org/cgit/rpms/mariadb.git/ commit: 9442da192282aa74f43e86c96202109a173bbaba Change-Id: I2d5e965f0f19f86992794eec78134e862899c931