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5a12e7c134
Wed Aug 26 10:00:38 CDT 2009 Slackware 13.0 x86_64 is released as stable! Thanks to everyone who helped make this release possible -- see the RELEASE_NOTES for the credits. The ISOs are off to the replicator. This time it will be a 6 CD-ROM 32-bit set and a dual-sided 32-bit/64-bit x86/x86_64 DVD. We're taking pre-orders now at store.slackware.com. Please consider picking up a copy to help support the project. Once again, thanks to the entire Slackware community for all the help testing and fixing things and offering suggestions during this development cycle. As always, have fun and enjoy! -P.
175 lines
6.2 KiB
Bash
175 lines
6.2 KiB
Bash
#!/bin/sh
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#BLURB="Create a USB Linux boot stick"
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RDIR=/dev/tty4
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NDIR=/dev/null
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TMP=/var/log/setup/tmp
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if [ ! -d $TMP ]; then
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mkdir -p $TMP
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fi
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T_PX="$1"
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ROOT_DEVICE="$2"
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while [ 0 ]; do # the bootdisk menu loop
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# Run "rescan-scsi-bus -l" to get an up to date overview of devices:
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/sbin/rescan-scsi-bus -l 1>$RDIR 2>$RDIR
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# Get a list of removable block devices before the USB stick is inserted:
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echo "" > $TMP/remov_prior
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for BDEV in $(ls --indicator-style none /sys/block | egrep -v "loop|ram"); do
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[ -r /sys/block/$BDEV/removable -a "$(cat /sys/block/$BDEV/removable)" == "1" ] \
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&& echo $BDEV >> $TMP/remov_prior
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done
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dialog --title "MAKE USB FLASH BOOT" --default-item "Skip" --menu \
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"If your computer supports booting from a USB device, it is recommended that you make \
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a USB boot stick for your system at this time. It will boot your computer straight \
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into the root filesystem on $ROOT_DEVICE. \n\
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\n\
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Please insert a USB flash memory stick and then press ENTER to create a boot stick. \n\
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\n\
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WARNING! The existing contents of the USB stick will be erased. \n\
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" 18 70 2 \
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"Create" "Make a USB Linux boot stick" \
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"Skip" "Skip making a USB boot stick" \
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2> $TMP/return
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REPLY=`cat $TMP/return`
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rm -f $TMP/return
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if [ "$REPLY" = "Create" ]; then
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# Run "rescan-scsi-bus -l" to discover our USB stick if needed:
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/sbin/rescan-scsi-bus -l 1>$RDIR 2>$RDIR
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# Get a list of removable block devices after the USB stick is inserted:
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echo "" > $TMP/remov_after
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for BDEV in $(ls --indicator-style none /sys/block | egrep -v "loop|ram"); do
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[ -r /sys/block/$BDEV/removable -a "$(cat /sys/block/$BDEV/removable)" == "1" ] \
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&& echo $BDEV >> $TMP/remov_after
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done
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ADDED=$(diff -u $TMP/remov_prior $TMP/remov_after | sed -n 's/^\+//p' | grep -v '^+')
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REMVD=$(diff -u $TMP/remov_prior $TMP/remov_after | sed -n 's/^\+//p' | grep -v '^+')
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if [ -n "$ADDED" ] ; then STICK=$ADDED ; else STICK="" ; fi
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rm $TMP/remov_prior $TMP/remov_after
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if [ ! -n "$STICK" ]; then
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dialog --title "NO NEW DEVICE DETECTED" --ok-label Restart --msgbox \
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"No new USB device was detected.
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If you had already inserted your USB stick, please remove it now. \
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Then select 'Restart'." 7 70
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continue
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else
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VENDOR="Vendor : $(cat /sys/block/$STICK/device/vendor)"
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MODEL="Model : $(cat /sys/block/$STICK/device/model)"
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SIZE="Size : $(( $(cat /sys/block/$STICK/size) / 2048)) MB"
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dialog --title "NEW DEVICE DETECTED" --yesno \
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"A new USB device '/dev/$STICK' was detected with specifications:
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-- $VENDOR
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-- $MODEL
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-- $SIZE
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If this is the USB stick to use, select 'Yes',
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otherwise select 'No'." 12 70
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if [ $? -eq 1 ]; then
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continue
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fi
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fi
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dialog --title "CREATING USB BOOT STICK" --infobox "Creating SYSLINUX bootdisk for \
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$ROOT_DEVICE on /dev/$STICK." 3 64
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# Determine max size of the filesystem (in KB) we want to create:
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USBSIZE=$(( $(cat /sys/block/$STICK/size) / 2048))
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if [ $USBSIZE -lt 512 ]; then DOSSIZE=$(($USBSIZE*1024))
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else DOSSIZE=$((512*1024))
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fi
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# Hack from Pat. If we're wasting a whole stick, who cares if the partition is
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# extra-small, as long as the kernel fits? Also, FAT12 is the least problematic.
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DOSSIZE=15861
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if [ -x /sbin/mkdosfs ]; then
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/sbin/mkdosfs -I -n USBSLACK -F 12 /dev/$STICK $DOSSIZE 1> /dev/null 2> /dev/null
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else
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chroot $T_PX /sbin/mkdosfs -I -n USBSLACK -F 12 /dev/$STICK $DOSSIZE 1> /dev/null 2> /dev/null
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fi
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if [ ! -d $TMP/bootdisk ]; then
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mkdir $TMP/bootdisk
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fi
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mount -t vfat /dev/$STICK $TMP/bootdisk 1> /dev/null 2> /dev/null
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if [ -r $T_PX/vmlinuz ]; then
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cp $T_PX/vmlinuz $TMP/bootdisk/vmlinuz
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elif [ -r $T_PX/boot/vmlinuz ]; then
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cp $T_PX/boot/vmlinuz $TMP/bootdisk/vmlinuz
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fi
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# We don't need the isolinux bootloader with syslinux do we?
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#cp $T_PX/usr/share/syslinux/isolinux.bin $TMP/bootdisk/
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cat << EOF > $TMP/bootdisk/message.txt
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Welcome to the 09Slackware07 Linux custom USB boot stick!
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By default, this stick boots a root Linux partition on $ROOT_DEVICE when you
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hit ENTER. If you'd like to boot some other partition, use a command like
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this on the prompt below:
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mount root=/dev/sda1 ro
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Where "/dev/sda1" is the partition you want to boot, and "ro" specifies that
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the partition should be initially mounted as read-only. If you wish to mount
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the partition read-write, use "rw" instead. To set the video console mode,
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use the vga= parameter (press F1 to see a table). You may also add any other
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kernel parameters you might need depending on your hardware, and which
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drivers are included in your kernel.
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EOF
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cat << EOF > $TMP/bootdisk/syslinux.cfg
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default vmlinuz root=$ROOT_DEVICE vga=normal ro
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prompt 1
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timeout 6000
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display message.txt
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F1 f1.txt
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F2 message.txt
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#F3 f3.txt
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#F4 f4.txt
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#F5 f5.txt
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#F6 f6.txt
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#F7 f7.txt
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label mount
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kernel vmlinuz
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append root=$ROOT_DEVICE vga=normal ro
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EOF
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cat << EOF > $TMP/bootdisk/f1.txt
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STANDARD MODES:
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To make the kernel prompt for standard video modes use: vga=ask
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FRAMEBUFFER MODES:
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To get the kernel to start in VESA framebuffer mode, you need to pass it
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a vga= init string on the "boot:" prompt. Here's a table:
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Colors 640x480 800x600 1024x768 1280x1024 1600x1200
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--------+---------------------------------------------
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256 | 769 771 773 775 796
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32,768 | 784 787 790 793 797
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65,536 | 785 788 791 794 798
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16.8M | 786 789 792 795 799
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...such as this for 1024x768x64k:
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vga=791
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F2 returns to the previous page.
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EOF
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umount /dev/$STICK
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rm -r $TMP/bootdisk
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# Make the device bootable:
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syslinux -s /dev/$STICK 1> /dev/null 2> /dev/null
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dialog --title "USB BOOT STICK CREATED" --ok-label Continue --cancel-label Create --menu \
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"The USB boot stick has been successfully created in /dev/$STICK. If you would like to \
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create an additional boot stick, please select 'Create' and we'll go back and make another \
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one, otherwise select 'Continue' to continue configuring your system." 12 70 2 \
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"Continue" "Continue the configuration (done making boot sticks)" \
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"Create" "Make a spare Linux boot stick in /dev/$STICK" \
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2> $TMP/return
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REPLY=`cat $TMP/return`
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rm -f $TMP/return
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if [ "$REPLY" = "Create" ]; then
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continue
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else
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break
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fi
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else # ! Create
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break
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fi
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done
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