ag100: 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

/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)

/boo/grub/grub_fd.cfg (Floppy)

/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)

/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

ag100

2014-03-17

GRUB2 multiboot ISO

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