Installation of deb kernel in Debian chroot environment
Last Updated on Wednesday, 24 March 2010 08:49
| Article Index |
|---|
| 1. Make directory |
| 2. Mount |
| 3. Install kernel |
Here are simple steps on how to install custom build or existing Debian kernel within a chroot environment. In this example we do not install a new version of Debian in chroot environment but we use the existing installation. Let's create directory for a chroot environment:
1. Make directory
# mkdir -p /mnt/chroot
First we need to mount a partition with existing Debian installation. In our case a / partition of existing installation is /dev/hdb1 .
# mount /dev/hdb1 /mnt/chroot
Next we need to bind hardware with new chroot environment. The next commands will make sure that connected hardware works otherwise update-grub may not function properly.
2. Mount
# mount -o bind /proc /mnt/chroot/proc
# mount -o bind /proc /mnt/chroot/dev
Now we are ready to enter chroot environment
chroot
# chroot /mnt/chroot
3. Install kernel
let's install kernel:
/# dpkg -i linux-image-2.6.26-2-486_2.6.26-21lenny4_i386.deb
Selecting previously deselected package linux-image-2.6.26-2-486.
(Reading database ... 12686 files and directories currently installed.)
Unpacking linux-image-2.6.26-2-486 (from linux-image-2.6.26-2-486_2.6.26-21lenny4_i386.deb) ...
Done.
Setting up linux-image-2.6.26-2-486 (2.6.26-21lenny4) ...
Running depmod.
Running mkinitramfs-kpkg.
Running postinst hook script update-grub.
Searching for GRUB installation directory ... found: /boot/grub
Searching for default file ... found: /boot/grub/default
Testing for an existing GRUB menu.lst file ... found: /boot/grub/menu.lst
Searching for splash image ... none found, skipping ...
Found kernel: /boot/vmlinuz-2.6.26-2-686
Found kernel: /boot/vmlinuz-2.6.26-2-486
Updating /boot/grub/menu.lst ... done
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