Linux Disable USB Devices (Disable loading of USB Storage Driver)

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In our research lab I’d like to disable all USB devices connected to our HP Red Hat Linux based workstations. I’d like to disable USB flash or hard drives, which users can use with physical access to a system to quickly copy sensitive data from it. How do I disable USB device support under RHEL 5.x workstation operating systems?

Linux CDROM: Lost Interrupt / status=0x59 (0x40) DriverReady SeekComplete DataRequest Error and Solution

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Q. My CDROM drive attached to Stratus ftServer 6210 is not working and it is dumping me with following error:

hdb: lost interrupt
hdb: lost interrupt

hdb: lost interrupt
hdb: status error: status=0x59 { DriverReady SeekComplete DataRequest
Error }
hdb: status error: status=0x40 { LastFailedSense=0x04 }
ide: failed opcode was: unknown
hdb: drive not ready for command
hdb: lost interrupt
hdb: status error: status=0x59 { DriverReady SeekComplete DataRequest
Error }
hdb: status error: status=0x40 { LastFailedSense=0x04 }

How do I fix this error under Linux?