BuildISO - Revision history

Marcel: /* isolinux.cfg */

2017-04-15T21:41:13Z

isolinux.cfg

← Older revision		Revision as of 21:41, 15 April 2017
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	LABEL live		LABEL live
	MENU LABEL ^Boot ~~the~~ live ~~system~~ ($(uname -m))		MENU LABEL ^Boot live ($(uname -m), default)
	MENU DEFAULT		MENU DEFAULT
	KERNEL /boot/$(uname -m)/vmlinuz		KERNEL /boot/$(uname -m)/vmlinuz
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	LABEL live_force_vga		LABEL live_force_vga
	MENU LABEL ^Boot ~~the~~ live ~~system~~ ($(uname -m))~~, force VGA: 1024x768x24~~		MENU LABEL ^Boot live ($(uname -m), 1024x768)
	KERNEL /boot/$(uname -m)/vmlinuz		KERNEL /boot/$(uname -m)/vmlinuz
	APPEND initrd=/boot/$(uname -m)/initram.fs quiet vga=792		APPEND initrd=/boot/$(uname -m)/initram.fs quiet vga=792

Marcel at 21:31, 15 April 2017

2017-04-15T21:31:23Z

← Older revision		Revision as of 21:31, 15 April 2017
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	cp -v /usr/share/syslinux/ldlinux.c32 live/boot/isolinux		cp -v /usr/share/syslinux/ldlinux.c32 live/boot/isolinux

	~~# Prefer kernels marked 'live'~~		cp -v mnt/boot/vmlinuz-* live/boot/$(uname -m)/vmlinuz
	~~if [ -e mnt/boot/vmlinuz-*-live ]; then~~		cp -v mnt/boot/config-* live/boot/$(uname -m)/config</build>
	cp -v mnt/boot/vmlinuz-*~~-live~~ live/boot/$(uname -m)/vmlinuz
	cp -v mnt/boot/config-*~~-live~~ live/boot/$(uname -m)/config
	~~else~~
	~~cp -v mnt/boot/vmlinuz-* live/boot/$(uname -m)/vmlinuz~~
	~~cp -v mnt/boot/config-* live/boot/$(uname -m)/config~~
	fi</build>

	Copy all files from the root file system image that have been prepared to [[BuildISO Customisation\|customize the Live CD]]:		Copy all files from the root file system image that have been prepared to [[BuildISO Customisation\|customize the Live CD]]:

Marcel: /* Sources */

2017-03-25T09:58:37Z

Sources

← Older revision		Revision as of 09:58, 25 March 2017
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	== Sources ==		== Sources ==
	* <sourcecode>rootfs-$(uname -m).img</sourcecode>		* <sourcecode>file://rootfs-$(uname -m).img</sourcecode>

	'''Note:''' You obviously can not download this file, it [[Creating a Live CD\|can only be created by you]].		'''Note:''' You obviously can not download this file, it [[Creating a Live CD\|can only be created by you]].

Marcel: /* isolinux.cfg */

2017-03-11T10:57:11Z

isolinux.cfg

← Older revision		Revision as of 10:57, 11 March 2017
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	KERNEL /boot/$(uname -m)/vmlinuz		KERNEL /boot/$(uname -m)/vmlinuz
	APPEND initrd=/boot/$(uname -m)/initram.fs quiet		APPEND initrd=/boot/$(uname -m)/initram.fs quiet

			LABEL live_force_vga
			MENU LABEL ^Boot the live system ($(uname -m)), force VGA: 1024x768x24
			KERNEL /boot/$(uname -m)/vmlinuz
			APPEND initrd=/boot/$(uname -m)/initram.fs quiet vga=792

	LABEL harddisk		LABEL harddisk

Marcel: /* Create the ISO image */

2017-02-26T19:09:07Z

Create the ISO image

← Older revision		Revision as of 19:09, 26 February 2017
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	Unless a customised configuration has been copied a moment ago, use the boot loader configuration created when we started:		Unless a customised configuration has been copied a moment ago, use the boot loader configuration created when we started:
	<build>if [ ! -e "live/boot/isolinux/isolinux.cfg" ]; then		<build>if [ ! -e "live/boot/isolinux/isolinux.cfg" ]; then
	cp -v /usr/share/syslinux/menu.c32 live/boot/isolinux		cp -v /usr/share/syslinux/menu.c32 live/boot/isolinux
	mv -v isolinux.cfg live/boot/isolinux		cp -v /usr/share/syslinux/libutil.c32 live/boot/isolinux
			mv -v isolinux.cfg live/boot/isolinux
	else		else
	rm -rf isolinux.cfg		rm -rf isolinux.cfg

Marcel: /* Create the ISO image */

2017-02-26T19:08:34Z

Create the ISO image

← Older revision		Revision as of 19:08, 26 February 2017
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	<build>mkdir -p live/boot/{isolinux,$(uname -m)}		<build>mkdir -p live/boot/{isolinux,$(uname -m)}
	cp -v /usr/share/syslinux/isolinux.bin live/boot/isolinux		cp -v /usr/share/syslinux/isolinux.bin live/boot/isolinux
			cp -v /usr/share/syslinux/ldlinux.c32 live/boot/isolinux

	# Prefer kernels marked 'live'		# Prefer kernels marked 'live'

Marcel: /* Init script */

2017-02-26T19:07:51Z

Init script

← Older revision		Revision as of 19:07, 26 February 2017
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	#!/bin/busybox sh		#!/bin/busybox sh

	# Initramfs boot script 1.3.3 (~~2014~~-06-14)		# Initramfs boot script 1.4.0 (2017-02-26)
	# Copyright (c) 2010-~~2014~~ Marcel van den Boer		# Copyright (c) 2010-2017 Marcel van den Boer
	#		#
	# Permission is hereby granted, free of charge, to any person obtaining a copy		# Permission is hereby granted, free of charge, to any person obtaining a copy
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	cd /		cd /

	#########################################		#############################################
	}; ~~unionMount~~() { # ~~UNIONFS~~ LIVECD MODE #		}; overlayMount() { # OVERLAYFS LIVECD MODE #
	#########################################		#############################################

	# ~~A union~~ mount takes one or more directories and combines them transparantly		# An overlay mount takes one or more directories and combines them transparantly
	# in a third. This function creates a writable directory in memory (tmpfs) and		# in a third. This function creates a writable directory in memory (tmpfs) and
	# uses it to overlay the read-only system image, resulting in a fully writable		# uses it to overlay the read-only system image, resulting in a fully writable
	# root file system.		# root file system.
	#
	~~# The only downside to this method is that it requires a union type filesystem~~
	~~# in the kernel, which can only be accomplished by patching the kernel as there~~
	~~# is no such feature in a vanilla kernel.~~

	mkdir -p /mnt/writable		mkdir -p /mnt/writable
	mount -t tmpfs -o rw tmpfs /mnt/writable		mount -t tmpfs -o rw tmpfs /mnt/writable
			mkdir -p /mnt/writable/upper
			mkdir -p /mnt/writable/work

			D_LOWER="/mnt/system"
			D_UPPER="/mnt/writable/upper"
			D_WORK="/mnt/writable/work"
			OVERLAYFSOPT="lowerdir=${D_LOWER},upperdir=${D_UPPER},workdir=${D_WORK}"

	~~UNIONFSOPT="/mnt/writable=rw:/mnt/system=ro"~~		mount -t overlay overlay -o ${OVERLAYFSOPT} ${ROOT} 2> /dev/null \|\| {
	mount -t ~~unionfs~~ -o ~~dirs=~~${~~UNIONFSOPT~~} ~~unionfs~~ ${ROOT} 2> /dev/null \|\| {

	# If ~~UnionFS~~ fails, fall back to copy/bind mounting		# If OverlayFS fails, fall back to copy/bind mounting
	copyBindMount		copyBindMount
	}		}
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	# Select LiveCD mode		# Select LiveCD mode
	~~unionMount~~ # Might fall back to copyBindMount		overlayMount # Might fall back to copyBindMount

	# Move current mounts to directories accessible in the new root		# Move current mounts to directories accessible in the new root

Marcel: /* Create the ISO image */ Prefer kernels with -live in the filename

2014-09-05T20:05:07Z

Create the ISO image: Prefer kernels with -live in the filename

← Older revision		Revision as of 20:05, 5 September 2014
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	<build>mkdir -p live/boot/{isolinux,$(uname -m)}		<build>mkdir -p live/boot/{isolinux,$(uname -m)}
	cp -v /usr/share/syslinux/isolinux.bin live/boot/isolinux		cp -v /usr/share/syslinux/isolinux.bin live/boot/isolinux
	cp -v /boot/vmlinuz-* live/boot/$(uname -m)/vmlinuz
	cp -v /boot/config-* live/boot/$(uname -m)/config</build>		# Prefer kernels marked 'live'
			if [ -e mnt/boot/vmlinuz-*-live ]; then
			cp -v mnt/boot/vmlinuz-*-live live/boot/$(uname -m)/vmlinuz
			cp -v mnt/boot/config-*-live live/boot/$(uname -m)/config
			else
			cp -v mnt/boot/vmlinuz-* live/boot/$(uname -m)/vmlinuz
			cp -v mnt/boot/config-* live/boot/$(uname -m)/config
			fi</build>

	Copy all files from the root file system image that have been prepared to [[BuildISO Customisation\|customize the Live CD]]:		Copy all files from the root file system image that have been prepared to [[BuildISO Customisation\|customize the Live CD]]:

Marcel at 13:53, 14 June 2014

2014-06-14T13:53:31Z

← Older revision		Revision as of 13:53, 14 June 2014
Line 1:		Line 1:
			[[Category:Scripts]]
	This page defines one of the core features of LFScript; The ability to create a [[Live CD]].		This page defines one of the core features of LFScript; The ability to create a [[Live CD]].

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	popd		popd
	gzip -9 initramfs.cpio		gzip -9 initramfs.cpio
	rm -rf mnt_init</build>		rm -rf mnt_init</build>

	=== Mount, verify and compress the system image ===		=== Mount, verify and compress the system image ===

Marcel: /* Init script */ Change 'FATAL' labels to 'STOP'

2014-06-14T11:43:01Z

Init script: Change 'FATAL' labels to 'STOP'

← Older revision		Revision as of 11:43, 14 June 2014
Line 42:		Line 42:
	#!/bin/busybox sh		#!/bin/busybox sh

	# Initramfs boot script 1.3.2 (2014-06-13)		# Initramfs boot script 1.3.3 (2014-06-14)
	# Copyright (c) 2010-2014 Marcel van den Boer		# Copyright (c) 2010-2014 Marcel van den Boer
	#		#
Line 202:		Line 202:

	if [ "${DEVICE}" == "" ]; then		if [ "${DEVICE}" == "" ]; then
	echo "~~FATAL~~: Boot medium not found."		echo "STOP: Boot medium not found."
	exec /bin/busybox sh		exec /bin/busybox sh
	fi		fi
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	mount -t squashfs -o ro,loop /mnt/medium/boot/${ARCH}/root.sfs /mnt/system \|\| {		mount -t squashfs -o ro,loop /mnt/medium/boot/${ARCH}/root.sfs /mnt/system \|\| {
	if [ -r /mnt/medium/boot/${ARCH}/root.sfs ]; then		if [ -r /mnt/medium/boot/${ARCH}/root.sfs ]; then
	echo "~~FATAL~~: Unable to mount system image. The kernel probably lacks"		echo "STOP: Unable to mount system image. The kernel probably lacks"
	echo " SquashFS support. You may need to recompile it."		echo " SquashFS support. You may need to recompile it."
	else		else
	echo "~~FATAL~~: Unable to mount system image. It seems to be missing."		echo "STOP: Unable to mount system image. It seems to be missing."
	fi		fi