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diff --git a/buildgnuonqemu.mdwn b/buildgnuonqemu.mdwn new file mode 100644 index 00000000..97ce3b83 --- /dev/null +++ b/buildgnuonqemu.mdwn @@ -0,0 +1,90 @@ +[[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 + +<pre>qemu-img create -f qcow <imagename.img> <size>G</pre> + +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. + +<pre>qemu -cdrom /dev/cdrom -hda <imagename.img> -boot d</pre> + +3. Once system is booted use a partition editing tool (like fdisk, cfdisk, parted, gparted, qtparted ...) to partition the image. + +<pre>cfdisk</pre> + +create the necessary partitions (root and swap partitions boot, home ... if required) + +4. Create a file syatem for the root partiotion + +<pre>mke2fs /dev/hda1</pre> + +5. Mount the partition + +<pre>mkdir disk +mount /dev/hda1 disk</pre> + +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/> + +<pre>scp <user>@<host>:<path to the compressed file system> disk</pre> + +7. Uncompress the files + +<pre>cd disk +tar -jxvf <compressed filesystem></pre> + +8. Unmount the mounted partition + +<pre>cd .. +umount disk</pre> + +9. power off the guest OS. + +<pre>poweroff</pre> + +10. To make the file syatem bootable download a grub floppy image ([[http://hurd.in/pub/Hurd/HurdOnVMware/grub.img][grub.img]]) + +11. Run qemu to boot into your brand new system + +<pre>qemu -hda <hard disk image.img> -fda grub.img -boot a</pre> + +Happy Hacking !! + + +Make your new system boot from the hard disk + +1. Mount your grub image + +<pre>mkdir floppy +mount -t ext2 -o loop grub.img floppy</pre> + +2. Use previous steps 2 and 5 to boot from a liveCD and mount the partition + +<pre>cd disk/boot +scp -r <user>@<host>:<path to mounted floppy image directory>/boot/grub .</pre> + +3. Poweroff the guest + +<pre>poweroff</pre> + +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 + +<pre>root (hd0,0) +setup (hd0) </pre> + +Now you have a bootable system image. Enjoy Maadi !! + +-- PraveenA - 21 Jun 2006
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