diff options
Diffstat (limited to 'create_stage4_cdrom.sh')
| -rwxr-xr-x | create_stage4_cdrom.sh | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/create_stage4_cdrom.sh b/create_stage4_cdrom.sh new file mode 100755 index 0000000..e773c1e --- /dev/null +++ b/create_stage4_cdrom.sh @@ -0,0 +1,45 @@ +#!/bin/sh + +# shellcheck source=./default.conf +. "./default.conf" + +# builds a small ISO image for installing a stage 4 system: +# it uses PXE to boot from a TFTP server (kernel and ramdisk), +# then loads the ISO as NBD block device. This is for installation +# on old machines with only very limited amount of RAM (currently +# requires 64 MB minimal) + +sudo rm -rf $STAGE4_ISOLINUX + +# copy chroot to ISOlinux dir +mkdir $STAGE4_ISOLINUX +sudo cp -a $STAGE4_CHROOT/{bin,boot,dev,etc,home,lib,mnt,opt,proc,root,run,sbin,srv,sys,tmp,usr,var} $STAGE4_ISOLINUX/. +sudo chown -R cross:cross $STAGE4_ISOLINUX/. +cd $STAGE4_ISOLINUX || exit 1 + +# on the TFTP server (e. g. as pxelinux.cfg/default) +mkdir boot/isolinux +cat >boot/isolinux/isolinux.cfg <<EOF +default menu.c32 +prompt 0 +timeout 20 +ontimeout linux + +label linux +initrd initramfs-linux.img +linux vmlinuz-linux +append rw ip=:::::eth0:dhcp nbd_host=192.168.1.12 nomodeset init=/lib/systemd/systemd nbd_name=archiso root=/dev/nbd0 console=tty0 +EOF +sudo chown cross:cross boot/isolinux/isolinux.cfg + +sudo chown -R root:root . +sudo chmod 0775 etc/init/boot +sudo cp /usr/lib/syslinux/bios/ldlinux.c32 boot/isolinux/. +sudo cp /usr/lib/syslinux/bios/menu.c32 boot/isolinux/. +sudo cp /usr/lib/syslinux/bios/libutil.c32 boot/isolinux/. +sudo cp /usr/lib/syslinux/bios/isolinux.bin boot/isolinux/. +sudo genisoimage -J -r -o ../arch486-stage4.iso -b boot/isolinux/isolinux.bin \ + -c boot/isolinux/boot.cat -input-charset UTF-8 -no-emul-boot \ + -boot-load-size 4 -boot-info-table -joliet-long . +cd .. || exit 1 + |