On Thu, Jun 12, 2025 at 6:57 PM jalil.hessane via illumos-discuss < discuss@lists.illumos.org> wrote:
> Hi, > I wanted to make a small image out of the proto directory built from > illumos-gate, heavily inspired by pureboot ( > https://ptribble.blogspot.com/2015/09/illumos-pureboot.html). > That version of pureboot is getting on a bit. The current (sort of maintained) version of that is the mvi.sh script in the mvi repo https://github.com/ptribble/mvi (Specifically, look down to the ${DESTDIR}/boot/conf.d/livemedia piece, at a guess.) > I made two (not working) scripts, the first one boots and give this output > while doing so: > > Loading unix... > Loading /platform/i86pc/amd64/boot_archive... > Loading /platform/i86pc/amd64/boot_archive.hash... > Booting... > No rootfs module provided, aborting > > Hit [Enter] to boot immediately, or any other key command prompt. > Booting [/platform/i86pc/kernel/amd64/unix] > warning: 'environment' is already loaded > warning: 'console-font' is already loaded > No rootfs module provided, aborting > > > The second script uses bootadm to create the boot_archive, but it doesn't > go past bootadm: > > Creating boot_archive for /var/tmp/purebuild.19661 > svccfg: Pattern 'system/boot-archive' doesn't match any instances or services > updating /var/tmp/purebuild.19661/platform/i86pc/amd64/boot_archive (UFS) > > gzip: stdout: No space left on device > [A lot of gzip errors] > gzip: stdout: No space left on device > > gzip: stdout: No space left on device > GNU xorriso 1.5.6.pl02 : RockRidge filesystem manipulator, libburnia project. > > Drive current: -outdev 'stdio:/dev/fd/1' > Media current: stdio file, sequential > Media status : is blank > Media summary: 0 sessions, 0 data blocks, 0 data, 4096g free > xorriso : FAILURE : Cannot determine attributes of source file > '/var/tmp/purebuild.19661/ ' : No such file or directory > xorriso : aborting : -abort_on 'FAILURE' encountered 'FAILURE' > > > First script: > > #!/bin/bash > set -e > > # === CONFIGURATION === > PROTO_DIR=/xor/illumos-gate/proto/root_i386 > ISO_NAME=/var/tmp/illumos-loader.iso > DESTDIR=/tmp/purebuild.$$ > MRSIZE=1024M > NBPI=4096 > > # === SETUP === > mkdir -p "$DESTDIR" > cd "$PROTO_DIR" > tar cf - . | ( cd "$DESTDIR" && tar xf - ) > > # === INIT SETUP === > cat > "$DESTDIR/etc/pureboot.rc" <<EOF > #!/sbin/sh > echo " *** illumos boot via loader ***" > /dev/console > /bin/ksh93 >/dev/console 2>&1 </dev/console > EOF > chmod a+x "$DESTDIR/etc/pureboot.rc" > > mv "$DESTDIR/etc/inittab" "$DESTDIR/etc/inittab.bak" > grep -v startd "$DESTDIR/etc/inittab.bak" > "$DESTDIR/etc/inittab" > echo "smf::sysinit:/etc/pureboot.rc" >> "$DESTDIR/etc/inittab" > > # === KERNEL STATE FILES FROM RUNNING SYSTEM === > for kfile in driver_classes minor_perm name_to_major driver_aliases; do > cp "/etc/$kfile" "$DESTDIR/etc/" > done > > # === CREATE BOOT ARCHIVE === > BOOTBLOCK=$(mktemp /var/tmp/bootblock.XXXXXX) > mkfile $MRSIZE $BOOTBLOCK > chmod o-t $BOOTBLOCK > LOFI=$(lofiadm -a $BOOTBLOCK) > LOFINUM=$(basename $LOFI) > > echo "y" | newfs -o space -m 0 -i $NBPI /dev/rlofi/$LOFINUM > > MNT=/tmp/nb.$$ > mkdir $MNT > mount -Fufs -o nologging $LOFI $MNT > cd "$DESTDIR" > tar cf - . | pv | ( cd $MNT ; tar xvf - ) > touch "$MNT/reconfigure" > $DESTDIR/usr/sbin/devfsadm -r $MNT > > rm -f $MNT/dev/dsk/* $MNT/dev/rdsk/* > rm -f $MNT/dev/removable-media/dsk/* $MNT/dev/removable-media/rdsk/* > > # === UMOUNT AND ARCHIVE === > umount $MNT > lofiadm -d $LOFI > pv $BOOTBLOCK | gzip --fast > ${BOOTBLOCK}.gz > cp ${BOOTBLOCK}.gz "$DESTDIR/platform/i86pc/boot_archive" > rm ${BOOTBLOCK}.gz > rmdir $MNT > > # === REMOVE EVERYTHING EXCEPT /boot and /platform === > cd "$DESTDIR" > find . -mindepth 1 -maxdepth 1 ! -name boot ! -name platform -exec rm -rf {} + > > # === CREATE ISO === > xorriso -as mkisofs \ > -o "$ISO_NAME" \ > -b boot/cdboot \ > -no-emul-boot -boot-load-size 4 -boot-info-table \ > -R -J -V "illumos" "$DESTDIR" > > > echo "[*] ISO built at: $ISO_NAME" > ls -lh "$ISO_NAME" > > # === CLEANUP === > rm -rf "$DESTDIR" > > > Second script: > > #!/bin/bash > set -e > > # === CONFIGURATION === > PROTO_DIR=/xor/illumos-gate/proto/root_i386 > ISO_NAME=/var/tmp/illumos-loader.iso > DESTDIR=/var/tmp/purebuild.$$ > NBPI=4096 > > # === SETUP === > mkdir -p "$DESTDIR" > cd "$PROTO_DIR" > tar cf - . | ( cd "$DESTDIR" && tar xf - ) > > # === INIT SETUP === > cat > "$DESTDIR/etc/pureboot.rc" <<EOF > #!/sbin/sh > echo " *** illumos boot ***" > /dev/console > /bin/ksh93 >/dev/console 2>&1 </dev/console > EOF > chmod a+x "$DESTDIR/etc/pureboot.rc" > > mv "$DESTDIR/etc/inittab" "$DESTDIR/etc/inittab.bak" > grep -v startd "$DESTDIR/etc/inittab.bak" > "$DESTDIR/etc/inittab" > echo "smf::sysinit:/etc/pureboot.rc" >> "$DESTDIR/etc/inittab" > > # === KERNEL STATE FILES FROM RUNNING SYSTEM === > for kfile in driver_classes minor_perm name_to_major driver_aliases; do > cp "/etc/$kfile" "$DESTDIR/etc/" > done > > # === CREATE BOOT ARCHIVE === > $PROTO_DIR/usr/sbin/bootadm update-archive -R "$DESTDIR" > > # === REMOVE EVERYTHING EXCEPT /boot and /platform === > cd "$DESTDIR" > find . -mindepth 1 -maxdepth 1 ! -name boot ! -name platform -exec rm -rf {} + > > # === CREATE ISO === > xorriso -as mkisofs \ > -o "$ISO_NAME" \ > -b boot/cdboot \ > -no-emul-boot -boot-load-size 4 -boot-info-table \ > -R -J -V "illumos" "$DESTDIR" > > echo "[*] ISO built at: $ISO_NAME" > ls -lh "$ISO_NAME" > > # === CLEANUP === > rm -rf "$DESTDIR" > > > It's not really to serve any purpose, just for fun. > Thanks in advance for any help. > *illumos <https://illumos.topicbox.com/latest>* / illumos-discuss / see > discussions <https://illumos.topicbox.com/groups/discuss> + participants > <https://illumos.topicbox.com/groups/discuss/members> + delivery options > <https://illumos.topicbox.com/groups/discuss/subscription> Permalink > <https://illumos.topicbox.com/groups/discuss/Tb104b7199f0b0468-M20f76ef894620f7acb88542a> > -- -Peter Tribble http://www.petertribble.co.uk/ - http://ptribble.blogspot.com/ ------------------------------------------ illumos: illumos-discuss Permalink: https://illumos.topicbox.com/groups/discuss/Tb104b7199f0b0468-M222fa0e409abab0d6b4c5ff0 Delivery options: https://illumos.topicbox.com/groups/discuss/subscription
