US Robotics USR2410 Manual de instalación descargar pdf (Pagina 52)

48 5. Debian and other Software Packages

sion in /usr/local/bin will automagically executed, if a non-root user not in the group cdrom types cdrecord at the

command prompt.

/usr/local/bin/cdrecord:

#!/bin/sh

prog=‘basename $0‘

test "X$SUPERCMD" = "X$prog" || exec /usr/bin/super $prog ${1+"$@"}

/usr/bin/cdrecord $@

The corresponding entry in /etc/super.tab reads:

/etc/super.tab:

cdrecord /usr/local/bin/cdrecord uid=root info="burn CD−R" \

5. 18. External FirewireHard Disk

Although the 2.4 kernel series does not yet support hotplugging of SCSI and IEEE 1394 devices, we can easily

conﬁgure for a simple manual setup. Wemakeuse of twoscripts, namely rescan-scsi-bus.sh available from the

IEEE 1394 For Linux project web pages and a homegrown helper script, to load the kernel necessary modules

and scan for newSCSI devices:

/usr/local/bin/ﬁrewire:

#!/bin/sh

prog=‘basename $0‘

test "X$SUPERCMD" = "X$prog" || exec /usr/bin/super $prog ${1+"$@"}

PATH="/bin:/usr/bin:/usr/local/bin:/sbin:/usr/sbin"

ADDRESS=""

case "$1" in

up|start)

modprobe ohci1394 && modprobe sbp2 && modprobe sd_mod

sleep 1

rescan−scsi−bus

;;

down|stop)

modprobe −r ohci1394 && modprobe −r sbp2 && modprobe −r sd_mod

sleep 1

rescan−scsi−bus −r

;;

restart)

rescan−scsi−bus −r

sleep 1

rescan−scsi−bus

;;

echo "Usage: ﬁrewire [up|start|down|stop|restart]"

;;

esac

Note: Wehav e renamed rescan-scsi-bus.sh into rescan-scsi-bus.

As before, we register our helper script with the super framework by adding the following lines to /etc/super.tab:

/etc/super.tab:

ﬁrewire /usr/local/bin/ﬁrewire uid=root info="start/stop IEEE 1394" \

After physically plugging in the hard disk and launching the Firewire HD support by issuing the command

ﬁrewire start, the disk shows up as /dev/sda and can be accessed as anyother SCSI disk.

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