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Installing CRUX Linux from isoEdit
CRUX under coLinux can't directly boot from ISO. The bootstrapping script needs to have Squashfs compiled in kernel and a native CDROM support.
This describe a way to change the default boot script and boots than from the ISO. The patch File:Crux2.4-ramdisk.patch.xcf changed the boot script to load module Squashfs and fix the problem with detecting cdrom drive.
Downloads and Installing coLinuxEdit
- Download the Official ISO Image (247 MB) from CRUX Download
- Install coLinux 0.7.x or other version where Squashfs was enabled as module or build in kernel. I used the 0.7.2 here.
- Copy the file vmlinux-modules.tar.gz from coLinux installation (C:\coLinux\) some there have an access under Linux
Hacking boot script under LinuxEdit
- Boot a native Linux, or a Live Linux (Knoppix), or run a small Debian coLinux image
- Download the patch File:Crux2.4-ramdisk.patch.xcf
- Copy the file /boot/initramfs from inside the CRUX ISO some there in /tmp, or mount the CRUX ISO as loop device, for example
mount -o loop PathToFile/crux-2.4.iso /mnt
- Patch the initramfs by doing these steps: File:Crux-initramfs-hacking.sh.xcf
# Script patches the default CRUX CDROM startup to enable booting coLinux directly from ISO # Change the "PathTo" and run the steps on your prompt line by line # Create new empty directory mkdir /tmp/crux-ramdisk cd /tmp/crux-ramdisk # Unpack the ramdisk file cpio --extract --make-directories --no-absolute-filenames < PathToMountedCDROM/boot/initramfs # Patch the init script for coLinux patch -p0 < PathToFile/crux2.4-ramdisk.patch # Remove default (native) modules rm -rf /tmp/crux-ramdisk/lib/modules/* # Install coLinux modules tar xzf PathToCoLinuxFiles/vmlinux-modules.tar.gz # Create the new ramdisk file find * | cpio -o -c > /tmp/initramfs.crux2.4-colinux # Cleanup temp space rm -rf /tmp/crux-ramdisk
- Copy the file "/tmp/initramfs.crux2.4-colinux" (5MB) to your Windows or to an USB stick, or what ever you have an Windwos access later
Configure CRUX for coLinux on WindowsEdit
- Boot your Windows
- Create empty files for root filesystem (1GB) and swap (64MB)
fsutil file createnew c:\coLinux\root.fs 1073741824 fsutil file createnew c:\coLinux\swap.fs 67108864
- Create such file "crux-bootstrap.conf", and change the path if not installed under C:\coLinux:
# Configuration to run CRUX under coLinux # Standard coLinux kernel (with squashfs=m) kernel=vmlinux # Root file system (Empty file, 700MB...1GB) hda1=C:\coLinux\root.fs root=/dev/hda1 # Swap file (Empty file, 64MB...256MB) hda2=C:\coLinux\swap.fs # Downloaded ISO file (unchanged) hdc=C:\coLinux\crux-2.4.iso # Tell boot script where to find CDROM CDROM_DEVICES=hdc # Patched boot script file, added options CDROM_DEVICES DEVICE_SLEEP # This option *MUST* remove after Linux was installed to boot from hda1 ! initrd=C:\coLinux\initramfs.crux2.4-colinux # Lets booting 9 seconds faster DEVICE_SLEEP=1 # Optional settings # mem=256 # eth0=slirp,02:00:00:00:00:01
- Create a Batchfile C:\coLinux\crux.bat with contains:
cd C:\coLinux colinux-daemon @crux-bootstrap.conf pause
First boot CRUX from ISO - bootstrapping hda1 under coLinuxEdit
- Run the batch C:\coLinux\crux.bat
- Next steps, you should read the Doc "howto installing CRUX" on the cdrom "/crux/handbook.txt"
- Skip fdisk and start with
mkfs.ext3 /dev/hda1 mkswap /dev/hda2
- Skip the step "configure and compile a new kernel". Modules should be copy from inside the initramfs (/lib/modules/*-co-) to your mounted hda1.
If you are in chroot, must
exitthe chroot to have access to the modules from initramfs again.
- ... to be continue ...
- Remember to remove or comment out the line '"initrd=..." before reboot, to boot CRUX from your created hda1, instead bootstrapping the initrd again and again
Screen first boot from CRUX 2.4 ISOEdit
Mostly of basic ideas comes from Markus S., a German coLinux User. I optimized and written down some hints here -- HenryNe 21:32, 9 January 2008 (UTC)