GRUB2 multiboot ISO 2018

GRUB2 multiboot ISO (2014)


Linux ISO default
BOOT_Label=<partition Label> BOOT_UUID=<partition UUID> ISO_Path=/boot/iso image_path=/boot/image memdisk=/boot/syslinux/memdisk iso=<iso filename> search --no-floppy --fs-uuid --set ${BOOT_UUID} loopback loop ${ISO_Path}/${iso}

Arch Linux  2019.01.01
linux (loop)/arch/boot/x86_64/vmlinuz archisobasedir=arch archisodevice=/dev/loop0 img_dev=/dev/disk/by-uuid/${BOOT_UUID} img_loop=${ISO_Path}/${iso} earlymodules=loop archisolabel=${rootl} copytoram nodhcp initrd (loop)/arch/boot/intel_ucode.img (loop)/arch/boot/amd_ucode.img (loop)/arch/boot/x86_64/archiso.img

Cent OS  7 1810
linux (loop)/isolinux/vmlinuz0 ro rd.live.image quiet rhgb root=live:LABEL=CentOS-7-x86_64-LiveGNOME-1810 iso-scan/filename=${ISO_Path}/${iso} isoboot=${ISO_Path}/${iso} fromiso=${ISO_Path}/${iso} initrd (loop)/isolinux/initrd0.img

clonezilla 2.5.6-22
linux (loop)/live/vmlinuz findiso=${ISO_Path}/${iso} boot=live union=overlay username=user config components noswap edd=on nomodeset locales= keyboard-layouts= ocs_live_run=ocs-live-general ocs_live_extra_param= ocs_live_batch=no vga=791 ip= net.ifnames=0 i915.blacklist=yes radeonhd.blacklist=yes nouveau.blacklist=yes vmwgfx.enable_fbdev=1 toram=filesystem.squashfs initrd (loop)/live/initrd.img


Debian 9.6.0
linux (loop)/live/vmlinuz-4.9.0-8-amd64 findiso=${ISO_Path}/${iso} boot=live components toram initrd (loop)/live/initrd.img-4.9.0-8-amd64

FreeBSD 12.0


Fedora 29-1.2
linux (loop)/images/pxeboot/vmlinuz iso-scan/filename=${ISO_Path}/${iso} rd.live.ram root=live:CDLABEL=Fedora-WS-Live-29-1-2 rd.live.image quiet initrd (loop)/images/pxeboot/initrd.img

Gentoo 20160704
linux (loop)/isolinux/gentoo isoboot=${ISO_Path}/${iso} toram root=/dev/ram0 init=/linuxrc aufs looptype=squashfs loop=/image.squashfs cdroot vconsole.keymap=us locale=en_US console=tty1 -- initrd (loop)/isolinux/gentoo.xz

Kali 2018.4
linux (loop)/live/vmlinuz findiso=${ISO_Path}/${iso} boot=live config username=root hostname=kali initrd (loop)/live/initrd.img

Knoppix V8.2-2018-05-10
linux (loop)/boot/isolinux/linux bootfrom=/dev/disk/by-uuid/${BOOT_UUID}${ISO_Path}/${iso} lang=en apm=power-off nomce hpsa.hpsa_allow_any=1 loglevel=1 debug initrd (loop)/boot/isolinux/minirt.gz

kubuntu 18.10
linux (loop)/casper/vmlinuz iso-scan/filename=${ISO_Path}/${iso} file=/cdrom/preseed/ubuntu.seed boot=casper -- initrd (loop)/casper/initrd

Linuxmint 19.1
linux (loop)/casper/vmlinuz iso-scan/filename=${ISO_Path}/${iso} file=/cdrom/preseed/linuxmint.seed boot=casper -- initrd (loop)/casper/initrd.lz

LMDE 3-201808
linux (loop)/live/vmlinuz fromiso=/dev/disk/by-uuid/${BOOT_UUID}/${ISO_Path}/${iso} toram boot=live live-config live-media-path=/live -- initrd (loop)/live/initrd.lz

lubuntu 18.10
linux (loop)/casper/vmlinuz iso-scan/filename=${ISO_Path}/${iso} toram file=/cdrom/preseed/ubuntu.seed boot=casper -- initrd (loop)/casper/initrd

NST 28-10439
linux (loop)/isolinux/vmlinuz0 iso-scan/filename=${ISO_Path}/${iso} root=live:LABEL=nst-28-10439.x86_64 ro quiet acpi=force audit=0 rhgb systemd.unit=graphical.target nstrelocate=false initrd (loop)/isolinux/initrd0.img

Pentoo 2018.0_RC8
linux (loop)/isolinux/pentoo isoboot=${ISO_Path}/${iso} toram copytoram root=/dev/ram0 init=/linuxrc nox nodhcp _secureconsole overlayfs max_loop=256 _dokeymap video=uvesafb:mtrr:3,ywrap,1024x768-16 _console=tty0 net.ifnames=0 scsi_mod.use_blk_mq=1 ipv6.autoconf=0 _verify looptype=squashfs loop=/image.squashfs cdroot initrd (loop)/isolinux/pentoo.igz

openSUSE 15.0
linux (loop)/boot/x86_64/loader/linux root=live:CDLABEL=openSUSE_Leap_15.0_GNOME_Live iso-scan/filename=${ISO_Path}/${iso} splash=silent quiet rd.live.image rd.live.overlay.persistent rd.live.overlay.cowfs=ext4 initrd (loop)/boot/x86_64/loader/initrd

slitaz 2019.01.06
linux (loop)/boot/bzImage iso-scan/filename=${ISO_Path}/${iso} rw root=/dev/null video=-32 autologin initrd (loop)/boot/rootfs4.gz (loop)/boot/rootfs3.gz (loop)/boot/rootfs2.gz (loop)/boot/rootfs1.gz

Ubuntu 18.10
linux (loop)/casper/vmlinuz iso-scan/filename=${ISO_Path}/${iso} toram file=/cdrom/preseed/ubuntu.seed boot=casper -- initrd (loop)/casper/initrd

UbuntuStudio 18.10
linux (loop)/casper/vmlinuz iso-scan/filename=${ISO_Path}/${iso} toram file=/cdrom/preseed/ubuntu.seed boot=casper quiet splash -- initrd (loop)/casper/initrd

Win10 (partition NOT ISO)
search --no-floppy --fs-uuid --set <win10 EFI Boot partition UUID> chainloader /EFI/Boot/bootx64.efi

GRUB2 multiboot ISO

GRUB2 multiboot ISO 2018 update

USB:
/boot/grub
/boot/iso
/boot/image
/boot/tc4
/boot/tc5
/boot/syslinux

get USB UUID & Label:
> blkid

---

/boot/grub.sh
ROOT=<usb Partition Mount Point> BOOT=/dev/<usb Device> sudo grub-install \ --no-floppy \ --force \ --target=i386-pc \ --root-directory=$ROOT \ --removable \ $BOOT

/boot/grub/grub.env (1024byte)
# GRUB Environment Block BOOT_Label=<partition Label> BOOT_UUID=<partition UUID> ISO_Path=/boot/iso image_path=/boot/image memdisk=/boot/syslinux/memdisk #######################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################

/boot/grub/grub.cfg
set timeout=2 set default=1 load_env -f /boot/grub/grub.env export BOOT_Label export BOOT_UUID export ISO_Path export image_path export memdisk submenu "[ISO - WinPE]" { configfile /boot/grub/grub_pe.cfg } submenu "[Tiny Core Linux]" { configfile /boot/grub/grub_tc.cfg } submenu "[ISO - Tiny Core Linux]" { configfile /boot/grub/grub_tci.cfg } submenu "[ISO - CDlinux]" { configfile /boot/grub/grub_cd.cfg } submenu "[ISO - Slax]" { configfile /boot/grub/grub_sl.cfg } #submenu "[ISO - Puppy]" { # configfile /boot/grub/grub_pu.cfg #} submenu "[ISO - Ubuntu]" { configfile /boot/grub/grub_u.cfg } submenu "[ISO - Debian]" { configfile /boot/grub/grub_d.cfg } submenu "[ISO - CentOS]" { configfile /boot/grub/grub_ce.cfg } submenu "[ISO - ChromeOS]" { configfile /boot/grub/grub_cr.cfg } submenu "[ISO - openSUSE]" { configfile /boot/grub/grub_s.cfg } submenu "[Floppy Image]" { configfile /boot/grub/grub_fd.cfg } submenu "[Boot HD]" { configfile /boot/grub/grub_hd.cfg } menuentry "Halt" { halt } menuentry "Reboot" { reboot } menuentry "Commandline" { commandline }

---

/boo/grub/grub_hd.cfg (Harddisk)
insmod ntfs insmod ntfscomp insmod msdospart insmod part_msdos insmod parttool insmod linux insmod normal menuentry "HD0 (USB)" { set root=(hd0) chainloader +1 } menuentry "/dev/sr0" { set root=/dev/sr0 chainloader +1 } menuentry "/dev/cdrom" { set root=/dev/cdrom chainloader +1 } menuentry "HD1 (1st HD)" { set root=(hd1) drivemap -s hd0 hd1 chainloader (hd1)+1 }

/boo/grub/grub_fd.cfg (Floppy)
menuentry "Bootdisk (Image)" { linux16 ${memdisk} raw initrd16 ${image_path}/bootdisk.img }

/boo/grub/grub_pe.cfg (Windows PE)
set default=3 set isoOPTs="iso raw" set bit=amd64 set bit=i386 set ver=13.10 set desktop=win8 set iso_uuid=2014-02-13-11-06-48-00 insmod part_msdos insmod ntfs insmod ntldr function setOPTs { set iso=winpe_${desktop}.iso set rootopt=iso-scan/filename=${ISO_Path}/${iso} set Kernel=/boot/syslinux/memdisk set FS=/casper/initrd.lz echo ${ISO_Path}/${iso} echo ${rootopt} echo ${iso_uuid} echo ${isoOPTs} } menuentry " - waik" { set desktop=waik set iso_uuid="2014-02-12-12-41-53-00" set iso_label="Microsoft Windows PE (X86)" } menuentry " - win7" { set desktop=win7 set iso_uuid="2014-02-13-16-56-03-00" set iso_label="Microsoft Windows PE (X86)" } menuentry " - win8" { set desktop=win8 set iso_uuid="2014-02-13-11-06-48-00" set iso_label="Microsoft Windows PE (X86)" } menuentry "WinPE ISO (memdisk)" { setOPTs insmod memdisk insmod fat linux16 ${Kernel} ${isoOPTs} initrd16 ${ISO_Path}/${iso} }

Linux:

/boo/grub/grub_tci.cfg (Tiny Core Linux)
set V=4 set ver=$V.7.7 set V=5 set ver=$V.2 set OS=TinyCore set TC=Core set TC=CorePlus set cpOPTs="cde showapps" set iso=${TC}-${ver}.iso set tcOPT="" set VGA=773 set DHCP=nodhcp set LOGLEVEL=0 set DESKTOP=flwm_topside set DESKTOP=openbox function setOPTs { set iso=${TC}-${ver}.iso if [ $TC = TinyCore ]; then set tcOPT="cde" elif [ $TC = CorePlus ]; then set tcOPT="${cpOPTs} desktop=${DESKTOP}" else set tcOPT="" fi set isoOPTs="${tcOPT} waitusb=5 noutc tz=HKT-8 loglevel=${LOGLEVEL} vga=${VGA} ${DHCP} noswap nozswap" # debug verbose set rootopt="iso=LABEL=${BOOT_Label}${ISO_Path}/${iso}" set Kernel=/boot/vmlinuz set FS=/boot/core.gz } menuentry " - Core (Text)" { set TC=Core } menuentry " - TinyCore (GUI)" { set TC=TinyCore } menuentry " - CorePlus (WiFi)" { set TC=CorePlus } menuentry "${OS} ISO Live" { setOPTs loopback loop ${ISO_Path}/${iso} linux (loop)${Kernel} ${rootopt} ${isoOPTs} initrd (loop)${FS} } menuentry "${OS} (memdisk)" { setOPTs linux16 ${memdisk} iso raw initrd16 ${ISO_Path}/${iso} } menuentry " tiny core 4.7.7 - 3.0.21" { set V=4 set ver=$V.7.7 } menuentry " tiny core 5.0.2 - 3.8.10" { set V=5 set ver=$V.0.2 } menuentry " tiny core 5.1 - 3.8.13" { set V=5 set ver=$V.1 } menuentry " tiny core 5.2 - 3.8.13" { set V=5 set ver=$V.2 } menuentry " CorePlus - plus" { set cpOPTs="cde showapps" } menuentry " CorePlus - Tiny" { set cpOPTs="cde showapps lst=xbase.lst base" } menuentry " CorePlus - X/GUI + Wifi" { set cpOPTs="cde showapps lst=xbase.lst base" } menuentry " CorePlus - X/GUI + Wifi + Firmware" { set cpOPTs="cde showapps lst=xfbase.lst base" } menuentry " CorePlus - core" { set cpOPTs="base" } menuentry " CorePlus - nocde" { set cpOPTs="" } menuentry " CorePlus - Desktop flwm topside" { set DESKTOP=flwm_topside } menuentry " CorePlus - Desktop jwm" { set DESKTOP=jwm } menuentry " CorePlus - Desktop icewm" { set DESKTOP=icewm } menuentry " CorePlus - Desktop fluxbox" { set DESKTOP=fluxbox } menuentry " CorePlus - Desktop hackedbox" { set DESKTOP=hackedbox } menuentry " CorePlus - Desktop openbox" { set DESKTOP=openbox } menuentry " CorePlus - Desktop flwm" { set DESKTOP=flwm }

/boo/grub/grub_sl.cfg (Slax)
set default=2 set isoOPTs="vga=normal load_ramdisk=1 prompt_ramdisk=0 rw printk.time=0 slax.flags=perch,xmode" set bit=x86_64 set bit=i486 set ver=7.0.8 set OS=Slax set Lang=English-US set opt1=toram set opt2= set opt3= function setOPTs { set iso=slax-${Lang}-${ver}-${bit}.iso set rootopt="from=/${ISO_Path}/${iso}" set Kernel=/slax/boot/vmlinuz set FS=/slax/boot/initrfs.img echo ${ISO_Path}/${iso} echo ${rootopt} echo ${isoOPTs} } menuentry " - i486" { set bit=i486 } menuentry " - x86_64" { set bit=x86_64 } menuentry "${OS} Live ISO" { setOPTs loopback loop ${ISO_Path}/${iso} linux (loop)${Kernel} ${rootopt} ${isoOPTs} ${opt1} ${opt2} ${opt3} initrd (loop)${FS} } menuentry " - Engish - US" { set Lang=English-US } menuentry " - Chinese - TW" { set Lang=Chinese-Traditional } menuentry " * toram" { set opt1=toram } menuentry " * no toram" { set opt1= }

/boo/grub/grub_u.cfg (Ubuntu)
set default=2 set isoOPTs="file=/cdrom/preseed/ubuntu.seed boot=casper quiet splash --" set bit=amd64 set bit=i386 set ver=13.10 set desktop=desktop set OS=ubuntu set opt1=toram set opt2= set opt3= function setOPTs { set iso=${OS}-${ver}-${desktop}-${bit}.iso set rootopt=iso-scan/filename=${ISO_Path}/${iso} if [ $bit = i386 ]; then set Kernel=/casper/vmlinuz else set Kernel=/casper/vmlinuz.efi fi set FS=/casper/initrd.lz echo ${ISO_Path}/${iso} echo ${rootopt} echo ${isoOPTs} echo ${iso1} echo ${iso2} echo ${iso3} echo ${Kernel} echo ${FS} } menuentry " - i386" { set bit=i386 } menuentry " - amd64" { set bit=amd64 } menuentry "${OS} Live ISO" { setOPTs loopback loop ${ISO_Path}/${iso} linux (loop)${Kernel} ${rootopt} ${isoOPTs} ${opt1} ${opt2} ${opt3} initrd (loop)${FS} } menuentry " - ubuntu" { set OS=ubuntu } menuentry " - ubuntukylin (chinese)" { set OS=ubuntukylin } menuentry " % 13.04" { set ver=13.04 } menuentry " % 13.10" { set ver=13.10 } menuentry " * toram" { set opt1=toram } menuentry " * local" { set opt1= }

/boo/grub/grub_d.cfg (Debian)
set default=2 set isoOPTs="boot=live config quiet splash" set bit=amd64 set bit=i386 set ver=7.4 set desktop=gnome-desktop set OS=debian set opt1=toram set opt2= set opt3= function setOPTs { set iso=${OS}-live-${ver}-${bit}-${desktop}.iso set rootopt="findiso=${ISO_Path}/${iso}" if [ $bit == "i386" ]; then set Kernel=/live/vmlinuz1 set FS=/live/initrd1.img else set Kernel=/live/vmlinuz set FS=/live/initrd.img fi echo ${ISO_Path}/${iso} echo ${rootopt} echo ${isoOPTs} } menuentry " - i386" { set bit=i386 } menuentry " - amd64" { set bit=amd64 } menuentry "${OS} ISO Live" { setOPTs loopback loop ${ISO_Path}/${iso} linux (loop)${Kernel} ${rootopt} ${isoOPTs} ${opt1} ${opt2} ${opt3} initrd (loop)${FS} } menuentry " - toram" { set opt1=toram } menuentry " - NOT toram" { set opt1= }

/boo/grub/grub_cd.cfg (CDLinux)
set default=3 set isoOPTs="quiet vga=788" set bit=amd64 set bit=i386 set ver=0.9.7.1 set desktop= set OS=CDlinux set opt1="CDL_AMOUNT=yes" set opt2="CDL_LANG=en_US.UTF-8" set opt3="CDL_LOOP=no" function setOPTs { set iso=${OS}${desktop}-${ver}.iso set rootopt="CDL_DEV=UUID=${BOOT_UUID} CDL_DIR=${ISO_Path} CDL_IMG=${iso}" set Kernel=/CDlinux/bzImage set FS=/CDlinux/initrd echo ${ISO_Path}/${iso} echo ${rootopt} echo ${isoOPTs} } menuentry " - i386" { set bit=i386 } menuentry " - amd64" { set bit=amd64 } menuentry " - mini" { set desktop=_mini } menuentry " - standard" { set desktop= } menuentry " - community" { set desktop=_CE } menuentry "${OS} Live ISO" { setOPTs loopback loop ${ISO_Path}/${iso} linux (loop)${Kernel} ${rootopt} ${isoOPTs} ${opt1} ${opt2} ${opt3} initrd (loop)${FS} } menuentry " - (en_US) English" { set opt2=CDL_LANG=en_US.UTF-8 } menuentry " - (zh_TW) Chinese" { set opt2=CDL_LANG=zh_TW.UTF-8 } menuentry " - (zh_CN) Chinese" { set opt2=CDL_LANG=zh_CN.UTF-8 } menuentry " * auto mount" { set opt1="CDL_AMOUNT=yes" } menuentry " * no auto mount" { set opt1="CDL_AMOUNT=no" } menuentry " # copy to RAM" { set opt3="CDL_LOOP=no" } menuentry " # load from DISK" { set opt3="CDL_LOOP=yes" } menuentry " # auto detect" { set opt3= }

/boo/grub/grub_cr.cfg (ChromeOS)
set default=0 set isoOPTs="ramdisk_size=512000 ramdisk_blocksize=4096 splash=silent quiet showopts" set bit=amd64 set bit=i686 set ver=2.4.1290 set OS="Chrome OS Linux" set opt1= set opt2= set opt3= function setOPTs { set iso=Cr_OS_Linux.${bit}-${ver}.iso set rootopt="isofrom=/dev/disk/by-uuid/${BOOT_UUID}:${ISO_Path}/${iso}" set Kernel=/boot/i386/loader/linux set FS=/boot/i386/loader/initrd echo ${ISO_Path}/${iso} echo ${rootopt} echo ${isoOPTs} } menuentry "${OS} Live ISO" { setOPTs loopback loop ${ISO_Path}/${iso} linux (loop)${Kernel} ${rootopt} ${isoOPTs} ${opt1} ${opt2} ${opt3} initrd (loop)${FS} }

/boo/grub/grub_s.cfg (openSUSE)
set default=2 set isoOPTs="ramdisk_size=512000 ramdisk_blocksize=4096 splash=silent" set isoOPTs="ramdisk_size=512000 ramdisk_blocksize=4096 splash=silent quiet quiet showopts DEBUG=1 debug=1" set isoOPTs="ramdisk_size=512000 ramdisk_blocksize=4096 showopts DEBUG=1 debug=1 kiwidebug=1" set isoOPTs="ramdisk_size=512000 ramdisk_blocksize=4096 splash=silent quiet quiet showopts" set bit=x86_64 set bitp=${bit} set ver=13.1 set desktop=GNOME-Live set bit=i686 set bitp=i386 set desktop=KDE-Live set OS=openSUSE set opt1= set opt2= set opt3= function setOPTs { set iso=openSUSE-${ver}-${desktop}-${bit}.iso set rootopt="isofrom=/dev/disk/by-uuid/${BOOT_UUID}:${ISO_Path}/${iso}" set rootopt="isofrom_device=/dev/disk/by-uuid/${BOOT_UUID} isofrom_system=${ISO_Path}/${iso}" set Kernel=/boot/${bitp}/loader/linux set FS=/boot/${bitp}/loader/initrd echo ${ISO_Path}/${iso} echo ${rootopt} echo ${isoOPTs} } menuentry " - i686" { set bit=i686 set bitp=i386 set desktop=KDE-Live } menuentry " - x86_64" { set bit=x86_64 set bitp=${bit} set desktop=GNOME-Live } menuentry "${OS} ISO Live" { setOPTs loopback loop ${ISO_Path}/${iso} linux (loop)${Kernel} ${isoOPTs} ${rootopt} ${opt1} ${opt2} ${opt3} initrd (loop)${FS} } menuentry " - GNONE-Live" { set desktop=GNOME-Live } menuentry " - KDE-Live" { set desktop=KDE-Live } menuentry " - NET" { set desktop=NET } menuentry " - Rescue-CD" { set desktop=Rescue-CD }

/boo/grub/grub_ce.cfg (CentOS)
set default=2 set isoOPTs="rootfstype=auto ro liveimg quiet rhgb rd.luks=0 rd.md=0 rd.dm=0" set isoOPTs="rootfstype=auto ro liveimg debug debug=1 verbose verbose=1 rhgb rd.luks=0 rd.md=0 rd.dm=0" set bit=x86_64 set bit=i386 set ver=6.5 set live=LiveCD set OS=CentOS set opt1="rdshell" set opt2= set opt3= function setOPTs { set iso=${OS}-${ver}-${bit}-${live}.iso if [ "$rootiso" = "rd" ]; then set rootopt="root=live:LABEL=CentOS-${ver}-${bit}-${live}" else set rootopt="root=live:LABEL=${BOOT_Label}:${ISO_Path}/${iso}" set rootopt="root=live:${ISO_Path}/${iso}" fi set Kernel=/EFI/boot/vmlinuz0 set FS=/EFI/boot/initrd0.img } menuentry " - i386" { set bit=i386 } menuentry " - x86_64" { set bit=x86_64 } menuentry "${OS} Live ISO" { setOPTs loopback loop ${ISO_Path}/${iso} linux (loop)${Kernel} ${rootopt} ${isoOPTs} ${opt1} ${opt2} ${opt3} initrd (loop)${FS} } menuentry " - rdshell" { set opt1="rdshell" } menuentry " - liveiso" { set opt1="" } * rdshell
method 1:
set rootopt="root=live:LABEL=CentOS-${ver}-${bit}-${live}"

boot into rdshell

1a: boot from RAM
# mkdir 1 2
# mount /dev/<usb partition> 1
# cp 1/boot/iso/<Centos ISO> 2
# umount 1
  (remove USB)
# exit

1b: boot from USB
# mkdir 1 2
# mount /dev/<usb partition> 1
# mount -o loop 1/boot/iso/<Centos ISO> 2

# exit

method 2:

set rootopt="root=live:${ISO_Path}/${iso}"

boot into rdshell

2a: boot from RAM

# mkdir -p boot/iso 1

# mount /dev/<usb partition> 1

# cp 1/boot/iso/<Centos ISO> boot/iso
# /init

2b: boot from USB

# mkdir -p boot 1

# mount /dev/<usb partition> 1

# ln -s /1/boot/iso /boot
# /init