Форум АНТИЧАТ - серверная FreeBSD с флэшки

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Hi everybody,

attached a tiny script to convert a FreeBSD install iso image to a

binary ufs image ready to be flashed e.g. on an USB pendrive.



The size of the ufs image is calculated from the iso one. The usage for

the script is quite simple:



=2E/fbsd-install-iso2img.sh iso-path img-path



Once you're done, you can dd the img directly to an USB pen. If you also

want to make a serial-console install image just set the serial variable

on top of the script to 1.



This script is derived from another similar one that I made for the

pfSense project. It was requested for those kind of systems which have

an usb port booting-capable and a serial console.



I hope you'll find it useful. Bye,

Dario



P.S.: beer-ware license



--=20

Dario Freni (saturnero@freesbie.org)

FreeSBIE developer (http://www.freesbie.org)

GPG Public key at http://www.saturnero.net/saturnero.asc



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        name="fbsd-install-iso2img.sh"

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 filename="fbsd-install-iso2img.sh"



#!/bin/sh



# You can set some variables here. Edit them to fit your needs.



# Set serial variable to 0 if you don't want serial console at all,

# 1 if you want comconsole and 2 if you want comconsole and vidconsole

serial=3D0



set -u



if [ $# -lt 2 ]; then

    echo "Usage: $0 source-iso-path output-img-path"

    exit 1

fi



isoimage=3D$1; shift

imgoutfile=3D$1; shift



export tmpdir=3D$(mktemp -d -t fbsdmount)

# Temp file and directory to be used later

export tmpfile=3D$(mktemp -t bsdmount)



export isodev=3D$(mdconfig -a -t vnode -f ${isoimage})



echo "#### Building bootable UFS image ####"



ISOSIZE=3D$(du -k ${isoimage} | awk '{print $1}')

SECTS=3D$((($ISOSIZE + ($ISOSIZE/5))*2))



# Root partition size



echo "Initializing image..."

dd if=3D/dev/zero of=3D${imgoutfile} count=3D${SECTS}

ls -l ${imgoutfile}

export imgdev=3D$(mdconfig -a -t vnode -f ${imgoutfile})



bsdlabel -w -B ${imgdev}

newfs -O1 /dev/${imgdev}a



mkdir -p ${tmpdir}/iso ${tmpdir}/img



mount -t cd9660 /dev/${isodev} ${tmpdir}/iso

mount /dev/${imgdev}a ${tmpdir}/img



echo "Copying files to the image..."

( cd ${tmpdir}/iso && find . -print -depth | cpio -dump ${tmpdir}/img )

#bzcat ${tmpdir}/iso/dist/root.dist.bz2 | mtree -PUr -p ${tmpdir}/img 2>&=

1 > /dev/null



#echo "/dev/ufs/${UFS_LABEL} / ufs ro 1 1" > ${tmpdir}/img/etc/fstab



if [ ${serial} -eq 2 ]; then

        echo "-D" > ${tmpdir}/img/boot.config

        echo 'console=3D"comconsole, vidconsole"' >> ${tmpdir}/img/boot/l=

oader.conf

elif [ ${serial} -eq 1 ]; then

        echo "-h" > ${tmpdir}/img/boot.config

        echo 'console=3D"comconsole"' >> ${tmpdir}/img/boot/loader.conf

fi



cleanup() {

    umount ${tmpdir}/iso

    mdconfig -d -u ${isodev}

    umount ${tmpdir}/img

    mdconfig -d -u ${imgdev}

    rm -rf ${tmpdir} ${tmpfile}

}



cleanup



ls -lh ${imgoutfile}

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