Greetings fellow Fedora developers! I would like to offer you a first glimpse at a project that I have been making an _aweful_ lot of noise about over on the fedora-livecd-list. In the name of release-early-release-often, here is a proof of concept quality release of what I call a "rebootless livemedia installer". To cut to the chase, it is meant to live alongside /usr/sbin/liveinst as /usr/sbin/rliveinst. It has the same functionality with the interesting addition that it doesn't require a reboot after installation completes. Attached is the abundantly commented bash script rliveinst. A full ALPHA QUALITY livecd that includes and fully supports rliveinst is available at http://g-zyx.org (uploading now, will take a while) enjoy... -dmc/jdog P.S. now I will likely commence work on an anaconda backend that truly provides the same functionality as /usr/sbin/liveinst... rebootlessly :)
#!/bin/bash # # =========================================== # rliveinst - rebootless live media installer # =========================================== # version 0.1-2007.07.14 # # Copyright 2007 Douglas McClendon <dmc@xxxxxxxxxxxxxxxxxxxxxx> (&GPLv2) # http://douglas.mcclendon.org # # An example ALPHA quality liveCD can be found at http://g-zyx.org # with rliveinst pre-installed and fully supported. # # # Usage # ----- # # usage: rliveinst <target_partition> # e.g. rliveinst /dev/sda2 # # Installs liveOS onto target_partition, reboot not needed after completion # # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; version 2 of the License. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU Library General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. # # # Manual # ------ # # rliveinst is a program which when run on a supported "liveCD" or similar # environment, will install that operating system distribution to disk. # What is unique about rliveinst, is that when installation is complete, # no reboot is necessary to start working in the installed system. # # One such supported system, is the Fedora-7-Live-i686 "liveCD", which # can be downloaded from # # http://download.fedora.redhat.com/pub/fedora/linux/releases # # In order for this program to work, some special steps must be taken # while booting the liveCD. A patch is attached in comments at the end # of this file, which when applied to the livecd-tools also available via # the above link, can be used to generate a customized version of the # Fedora-7 liveCD which does not require the following extra steps to # be used when booting the liveCD. # # # Method for booting the Fedora-7-Live-i686 liveCD to enable rliveinst support # ---------------------------------------------------------------------------- # # 1) at the isolinux boot menu screen "Welcome to Fedora-7-Live-i386!", within # the 60 second automatic boot timeout, press tab, then type "eshell" # without quotes and press enter. # # 2) at the "bash-3.2#" prompt, type the following commands # # umount /sysroot # # dmsetup remove live-rw # # echo 0 $( blockdev --getsize /dev/loop119 ) linear /dev/loop119 0 | dmsetup create live-overlay # # echo 0 $( blockdev --getsize /dev/loop121 ) snapshot /dev/loop121 /dev/mapper/live-overlay p 8 | dmsetup create live-rw-sub # # echo 0 $( blockdev --getsize /dev/mapper/live-rw-sub ) linear /dev/mapper/live-rw-sub 0 | dmsetup create live-rw # # mount -n -t ext3 /dev/mapper/live-rw /sysroot # # exit # # 3) wait for the system to boot, and otherwise behave normally # # Method for using rliveinst with the Fedora-7-Live-i686 liveCD # ------------------------------------------------------------- # # 3) after booting has finished and you have automatically logged in, # open a terminal via the menu: applications -> system tools -> terminal # # 4) type "su -" # # 5) retrieve the rliveinst program somehow, perhaps with these commands # if the system was able to automatically connect to the internet # # urlgrabber http://filteredperception.org/downloads/rliveinst-0.1/rliveinst # chmod +x ./rliveinst # # 6) run this program. For instance, to install to the first partition # on the first hard drive that the OS discovered, issue this command- # # ./rliveinst /dev/sda1 # # WARNING- THIS COMMAND WILL DESTROY THE CONTENTS OF THAT PARTITION!!! # if [ $# -ne 1 ]; then echo "usage: rliveinst <target_partition>" exit 1 fi if $( ! echo $1 | grep -q "^\/dev\/sd..$" ); then echo "rliveinst: sorry, only /dev/sdXY partitions are currently supported" exit 1 else targetdisklet=$( echo $1 |sed -e 's/\(\/dev\/sd\)\(.\)\(.\)/\2/' ) targetpartnum=$( echo $1 |sed -e 's/\(\/dev\/sd\)\(.\)\(.\)/\3/' ) gtargetpartnum=$(( $targetpartnum - 1 )) if [ $targetdisklet == "a" ]; then gtargetdisknum=0 elif [ $targetdisklet == "b" ]; then gtargetdisknum=1 elif [ $targetdisklet == "c" ]; then gtargetdisknum=2 elif [ $targetdisklet == "d" ]; then gtargetdisknum=3 else echo "rliveinst: sorry, only /dev/sd[abcd]X partitions are supported" fi fi echo "rliveinst: beginning install to target: ${1}" echo "rliveinst: loading mirror configuration" echo "0 $( blockdev --getsize /dev/mapper/live-rw-sub ) mirror core 2 32 sync 2 /dev/mapper/live-rw-sub 0 $1 0" | dmsetup reload live-rw echo "rliveinst: activating mirror configuration" dmsetup resume live-rw echo "rliveinst: migrating live root filesystem" done=0 while (( ! $done )); do percent_done=$( echo "scale=11;$( dmsetup status live-rw | awk '{print $7}' )" | bc -l ) percent_done_display=$( echo "scale=2;(${percent_done} * 90 + 2) / 1.0" | bc -l ) echo "rliveinst: installation progress - ${percent_done_display} %" if [ "$percent_done" = "1.00000000000" ]; then done=1 else sleep 5 fi done echo "rliveinst: unloading mirror configuration" echo "0 $( blockdev --getsize $1 ) linear $1 0" | dmsetup reload live-rw echo "rliveinst: installation progress - 92.50 %" echo "rliveinst: deactivating mirror configuration" dmsetup resume live-rw echo "rliveinst: installation progress - 93.00 %" echo "rliveinst: freeing livemedia resources: live-rw-sub" dmsetup remove live-rw-sub echo "rliveinst: freeing livemedia resources: live-overlay" dmsetup remove live-overlay echo "rliveinst: installation progress - 93.50 %" echo "rliveinst: freeing livemedia resources: overlay image loop device" losetup -d /dev/loop119 echo "rliveinst: freeing livemedia resources: ext3 os image loop device" losetup -d /dev/loop121 echo "rliveinst: freeing livemedia resources: squashfs image loop device" losetup -d /dev/loop120 echo "rliveinst: installation progress - 94.00 %" echo "rliveinst: expanding root filesystem to largest possible size" resize2fs -p /dev/mapper/live-rw echo "rliveinst: installation progress - 96.00 %" echo "rliveinst: configuring /dev/root symlink" rm -f /dev/root ln -s ${1} /dev/root echo "rliveinst: installation progress - 96.50 %" echo "rliveinst: configuring fstab" mv /etc/fstab /tmp/rliveinst.old.fstab cat<<AEOF> /etc/fstab $1 / ext3 defaults,noatime 0 0 devpts /dev/pts devpts gid=5,mode=620 0 0 tmpfs /dev/shm tmpfs defaults 0 0 proc /proc proc defaults 0 0 sysfs /sys sysfs defaults 0 0 AEOF echo "rliveinst: installation progress - 97.00 %" echo "rliveinst: making initrd" mkinitrd /boot/initrd-$(uname -r).img $(uname -r) echo "rliveinst: installation progress - 98.50 %" echo "rliveinst: configuring grub" cat<<BEOF> /boot/grub/grub.conf default=0 timeout=7 splashimage=(hd0,${gtargetpartnum})/boot/grub/splash.xpm.gz hiddenmenu title Rebootlessly Installed Distribution (2.6.21-1.3194.fc7) root (hd0,${gtargetpartnum}) kernel /boot/vmlinuz-2.6.21-1.3194.fc7 ro root=${1} rhgb quiet initrd /boot/initrd-2.6.21-1.3194.fc7.img BEOF echo "rliveinst: installation progress - 99.00 %" if [ "$( fdisk -l /dev/sd${targetdisklet} | grep sd${targetdisklet}${targetpartnum} | awk '{print $2}' )" == '*' ]; then echo "rliveinst: target partition is already bootable" else echo "rliveinst: activating target partition" echo -en "a\n${targetpartnum}\nw\n" | fdisk /dev/sd${targetdisklet} fi echo "rliveinst: setting ext3 filesystem flag on target partition" echo -en "t\n${targetpartnum}\n83\nw\n" | fdisk /dev/sd${targetdisklet} echo "rliveinst: installation progress - 99.50 %" echo "rliveinst: installing grub bootloader" cp /usr/share/grub/i386-redhat/*stage* /boot/grub/ echo -en "root (hd${gtargetdisknum},${gtargetpartnum})\nsetup (hd${gtargetdisknum})\n" | grub --batch echo "rliveinst: installation progress - 100.00 %" echo "rliveinst: you may now eject or remove the live media" echo "rliveinst: installation complete, enjoy... -dmc" exit 0 ### ### Patch ### ----- ### ### Patch to livecd-tools-009-1.fc7 /usr/lib/livecd-creator/mayflower ### to support rliveinst. Please see /usr/share/doc/livecd-tools-009/README ### for information about how to use livecd-tools to reproduce the Fedora-7 ### liveCD. ### ### ###--- mayflower.orig 2007-07-12 04:08:00.000000000 +0000 ###+++ mayflower.lms 2007-07-12 07:35:10.000000000 +0000 ###@@ -4,6 +4,8 @@ ### # ### # Copyright 2006 David Zeuthen <davidz@xxxxxxxxxx> ### # ###+# live_migrate_support by Douglas McClendon <douglas@xxxxxxxxxxxxx> ###+# ### # Licensed under the GPLv2. See the file COPYING for details. ### # Inspired by similar programs from a bunch of other distributions. ### # ###@@ -236,6 +238,7 @@ ### quiet=0 ### shell=0 ### eshell=0 ###+live_migrate_support=1 ### live_ram=0 ### check_iso=0 ### live_locale="" ###@@ -262,6 +265,9 @@ ### eshell) ### eshell=1 ### ;; ###+ nolive_migrate_support) ###+ live_migrate_support=1 ###+ ;; ### live_ram) ### live_ram=1 ### ;; ###@@ -325,6 +331,7 @@ ### echo "rootfstype=\$rootfstype" ### echo "root_ro=\$root_ro" ### echo "root_rw=\$root_rw" ###+ echo "live_migrate_support=\$live_migrate_support" ### fi ### ### waitforsymlink=0 ###@@ -561,7 +568,13 @@ ### losetup /dev/loop119 /overlay ### ### # set up the snapshot ###- echo 0 \`blockdev --getsize /dev/loop121\` snapshot /dev/loop121 /dev/loop119 p 8 | dmsetup create live-rw ###+ if [ "x\$live_migrate_support" == "x1" ] ; then ###+ echo 0 \`blockdev --getsize /dev/loop119\` linear /dev/loop119 0 | dmsetup create live-overlay ###+ echo 0 \`blockdev --getsize /dev/loop121\` snapshot /dev/loop121 /dev/mapper/live-overlay p 8 | dmsetup create live-rw-sub ###+ echo 0 \`blockdev --getsize /dev/mapper/live-rw-sub\` linear /dev/mapper/live-rw-sub 0 | dmsetup create live-rw ###+ else ###+ echo 0 \`blockdev --getsize /dev/loop121\` snapshot /dev/loop121 /dev/loop119 p 8 | dmsetup create live-rw ###+ fi ### ### # set up new /dev/root symlink ### rm -f /dev/root ### # # gzyx.v0.4.003.2007.07.14.a.iso has a sha1sum of # db1e6278a09a7251c2e4402ad10974aa0932abf8 # ### ######################################################################## ######################################################################## ######################################################################## ### Copyright 2007 Douglas McClendon <dmc@xxxxxxxxxxxxxxxxxxxxxx> ### ######################################################################## ######################################################################## ######################################################################## ### # # # GNU GENERAL PUBLIC LICENSE # Version 2, June 1991 # # Copyright (C) 1989, 1991 Free Software Foundation, Inc. # 675 Mass Ave, Cambridge, MA 02139, USA # Everyone is permitted to copy and distribute verbatim copies # of this license document, but changing it is not allowed. # # Preamble # # The licenses for most software are designed to take away your # freedom to share and change it. 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