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authorThomas Schwinge <tschwinge@gnu.org>2007-11-13 20:15:12 +0100
committerThomas Schwinge <tschwinge@gnu.org>2007-11-13 20:15:12 +0100
commite9a9236364ff596839fa2a0cc21b6e60ef69bc2b (patch)
treeb8288ca75f05872f4473403abfa5f8f9157c4f05 /hurd/running/gnu/create_an_image.mdwn
parent0522d1b9b9d17fabcafebdffb5b57ca4790ac178 (diff)
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+[[meta copyright="Copyright © 2007 Free Software Foundation, Inc."]]
+[[meta license="Permission is granted to copy, distribute and/or modify this
+document under the terms of the GNU Free Documentation License, Version 1.2 or
+any later version published by the Free Software Foundation; with no Invariant
+Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license
+is included in the section entitled
+[[GNU_Free_Documentation_License|/fdl]]."]]
+
+Creating a bootable qemu image from a root filesystem and bootloader
+
+1. Create a hard disk image
+
+ qemu-img create -f qcow <imagename.img> <size>G
+
+2. Use a live CD (better to have a lighter OS like system rescue CD to make the
+ process faster) and the image created to boot.
+
+ qemu -cdrom /dev/cdrom -hda <imagename.img> -boot d
+
+3. Once system is booted use a partition editing tool (like fdisk, cfdisk,
+ parted, gparted, qtparted ...) to partition the image.
+
+ cfdisk
+
+ create the necessary partitions (root and swap partitions boot, home ... if
+ required)
+
+4. Create a file syatem for the root partiotion
+
+ mke2fs /dev/hda1
+
+5. Mount the partition
+
+ mkdir disk
+ mount /dev/hda1 disk
+
+6. Copy the file system from the host machine to the mounted directory (use a
+ compressed file system to make the copying faster)
+
+ Grab the GNU spapshot from ams' site
+ <http://www.update.uu.se/~ams/home/slask/GNU/>
+
+ scp <user>@<host>:<path to the compressed file system> disk
+
+7. Uncompress the files
+
+ cd disk
+ tar -jxvf <compressed filesystem>
+
+8. Unmount the mounted partition
+
+ cd ..
+ umount disk
+
+9. power off the guest OS.
+
+ poweroff
+
+10. To make the file syatem bootable download a grub floppy image
+
+ <http://hurd.in/pub/Hurd/HurdOnVMware/grub.img>
+
+11. Run qemu to boot into your brand new system
+
+ qemu -hda <hard disk image.img> -fda grub.img -boot a
+
+Happy Hacking !!
+
+
+Make your new system boot from the hard disk
+
+1. Mount your grub image
+
+ mkdir floppy
+ mount -t ext2 -o loop grub.img floppy
+
+2. Use previous steps 2 and 5 to boot from a liveCD and mount the partition
+
+ cd disk/boot
+ scp -r <user>@<host>:<path to mounted floppy image directory>/boot/grub
+
+3. Poweroff the guest
+
+ poweroff
+
+4. Boot new system using floppy image previous step 11
+
+ use install to hard disk option if you used the above grub image
+
+ or go to grub command line and type
+
+ root (hd0,0)
+ setup (hd0)
+
+ Now you have a bootable system image. Enjoy Maadi !!