Remaster Ubuntu LiveUSB Menggunakan Text Mode - Revision history

Onnowpurbo at 11:59, 10 July 2009

2009-07-10T11:59:00Z

Onnowpurbo: /* Membuat extlinux */

2009-07-10T10:40:34Z

Membuat extlinux

Onnowpurbo at 10:27, 10 July 2009

2009-07-10T10:27:39Z

Onnowpurbo at 09:47, 9 July 2009

2009-07-09T09:47:28Z

Onnowpurbo at 09:45, 9 July 2009

2009-07-09T09:45:26Z

Onnowpurbo at 09:42, 9 July 2009

2009-07-09T09:42:01Z

Onnowpurbo at 09:34, 9 July 2009

2009-07-09T09:34:25Z

Onnowpurbo: New page: How to make a USB flash drive function as a Ubuntu (or Kubuntu, Xubuntu, Edubuntu) Live CD. The base file system is ext3, it boots using extlinux and supports the same hardware as the Live...

2009-07-09T04:14:40Z

New page: How to make a USB flash drive function as a Ubuntu (or Kubuntu, Xubuntu, Edubuntu) Live CD. The base file system is ext3, it boots using extlinux and supports the same hardware as the Live...

New page

How to make a USB flash drive function as a Ubuntu (or Kubuntu, Xubuntu, Edubuntu) Live CD. The base file system is ext3, it boots using extlinux and supports the same hardware as the Live CD. Instructions on how to update the Live CD and modify it's contents are also given. For the entire document /dev/sda is the USB device.
Introduction

Booting from a USB device is ofter faster than from CD and USB drives are easier to carry. You should know why you want and or need this. We used Kubuntu 7.04 Feisty Fawn as our image for booting and a Gentoo system for building on.
Making the LiveUSB

Download a copy of the latest Ubuntu ISO, at this time Feisty, store that ISO some place. Ensure that you have squashfs-tools, initrd-tools and syslinux packages installed. We will re-partition and format the USB device, copy the LiveCD contents over and tune it up with extlinux.

Re-partition and format the USB drive. Ensure that the first partition is at least 1GiB in size and marked bootable. Any remaining space can be divided as necessary. When formatting choose ext2, do not put a journaling filesystem onto the USB device.

cfdisk /dev/sda
mkfs.ext2 /dev/sda1
mkfs.ext2 /dev/sda2

Mount up the fresh partition and the ISO image.

mkdir /mnt/usb_disc
mount /dev/sda1 /mnt/usb_disc
mkdir /mnt/live_cd
mount -o loop /tmp/kubuntu-7.04-desktop-i386.iso /mnt/live_cd
cd /mnt/live_cd/
cp -aR casper disctree dists install pool preseed .disk /mnt/usb_disc

There is no need to copy the isolinux informations as extlinux will be used.

cd /
mkdir /mnt/usb_disc/extlinux
extlinux -i /mnt/usb_disc/extlinux

Now edit the config file /mnt/usb_disc/extlinux/extlinux.conf to read something like this.

DEFAULT /casper/vmlinuz
APPEND file=preseed/kubuntu.seed boot=casper initrd=/casper/initrd.gz ramdisk_size=1048576 root=/dev/ram0 rw quiet splash --

Modifying or Updating the Image

The filesystem is stored in the squashfs image and is therefore not open for direct update. Below we will mount the image, copy the contents out, chroot into that environment and perform necessary actions.

mount -o loop -t squashfs /mnt/usb_disc/casper/filesystem.squashfs /mnt/ubuntu_usb
mkdir /tmp/ubuntu_usb_image
cp -aR /mnt/ubuntu_usb/* /tmp/ubuntu_usb_image/
mount -t proc none /tmp/ubuntu_usb_image/proc
mount -o bind /dev /tmp/ubuntu_usb_image/dev
chroot /tmp/ubuntu_usb_image /bin/bash

Now that we are in the new environment it can be modified in almost any possible way.

apt-get install aircrack-ng firefox kismet
exit

Once finished then re-package the directory into a squashfs image.

cd /tmp
mksquashfs ubuntu_usb_image ubuntu_usb.squashfs
cp ubuntu_usb.squashfs /mnt/usb_disc/casper/filesystem.squashfs

Now it's ready to boot!

==Pranala Menarik==

* [[Remastering Ubuntu]]
* [[Linux Howto]]

@@ Line 22: / Line 22: @@
   $ cd /mnt/live_cd/
-  $ cp -aR casper dists install pool preseed .disk /mnt/usb_disc
+  $ sudo cp -aR casper dists install pool preseed .disk /mnt/usb_disc
 ==Membuat extlinux==
@@ Line 29: / Line 29: @@
 kita tidak perlu mengcopy isi informasi isolinux karena kita akan menggunakan extlinux
-  $ cd /
+  $ cd ~
   $ sudo mkdir /mnt/usb_disc/extlinux
   $ sudo extlinux -i /mnt/usb_disc/extlinux

@@ Line 26: / Line 26: @@
 ==Membuat extlinux==
 kita tidak perlu mengcopy isi informasi isolinux karena kita akan menggunakan extlinux
@@ Line 40: / Line 41: @@
   DEFAULT /casper/vmlinuz
   APPEND  file=preseed/ubuntu.seed boot=casper initrd=/casper/initrd.gz ramdisk_size=1048576 root=/dev/ram0 rw quiet splash --
 ==Mengubah dan mengupdate isi dari ISO==

← Older revision		Revision as of 10:27, 10 July 2009
Line 39:		Line 39:

	DEFAULT /casper/vmlinuz		DEFAULT /casper/vmlinuz
−	APPEND file=preseed/~~kubuntu~~.seed boot=casper initrd=/casper/initrd.gz ramdisk_size=1048576 root=/dev/ram0 rw quiet splash --	+	APPEND file=preseed/ubuntu.seed boot=casper initrd=/casper/initrd.gz ramdisk_size=1048576 root=/dev/ram0 rw quiet splash --

@@ Line 50: / Line 50: @@
   $ sudo mkdir /tmp/ubuntu_usb_image
   $ sudo cp -aR /mnt/ubuntu_usb/* /tmp/ubuntu_usb_image/
-  $ mount -t proc none /tmp/ubuntu_usb_image/proc
+  $ sudo mount -t proc none /tmp/ubuntu_usb_image/proc
-  $ mount -o bind /dev /tmp/ubuntu_usb_image/dev
+  $ sudo mount -o bind /dev /tmp/ubuntu_usb_image/dev
 Lakukan chroot sesudah semua siap
-  $ chroot /tmp/ubuntu_usb_image /bin/bash
+  $ sudo chroot /tmp/ubuntu_usb_image /bin/bash
+  #

@@ Line 56: / Line 56: @@
   $ chroot /tmp/ubuntu_usb_image /bin/bash
-apt-get install aircrack-ng firefox kismet
+==Customisasi==
-Once finished then re-package the directory into a squashfs image.
+Sekarang kita sudah berada di lingkungan yang baru yang dapat di modifikasi habis-habisan.
   $ cd /tmp
-  $ mksquashfs ubuntu_usb_image ubuntu_usb.squashfs
+  $ sudo mksquashfs ubuntu_usb_image ubuntu_usb.squashfs
-  $ cp ubuntu_usb.squashfs /mnt/usb_disc/casper/filesystem.squashfs
+  $ sudo cp ubuntu_usb.squashfs /mnt/usb_disc/casper/filesystem.squashfs
 USB flashdisk siap untuk digunakan

@@ Line 29: / Line 29: @@
   $ cd /
-  $ mkdir /mnt/usb_disc/extlinux
+  $ sudo mkdir /mnt/usb_disc/extlinux
-  $ extlinux -i /mnt/usb_disc/extlinux
+  $ sudo extlinux -i /mnt/usb_disc/extlinux
-Sekarang edit file config /mnt/usb_disc/extlinux/extlinux.conf agar berisi kira-kira sbb,
+Sekarang edit file config /mnt/usb_disc/extlinux/extlinux.conf
   DEFAULT /casper/vmlinuz
@@ Line 40: / Line 44: @@
 ==Mengubah dan mengupdate isi dari ISO==
-The filesystem is stored in the squashfs image and is therefore not open for direct update. Below we will mount the image, copy the contents out, chroot into that environment and perform necessary actions.
+ $ sudo mkdir /mnt/ubuntu_usb
+  $ sudo mount -o loop -t squashfs /mnt/usb_disc/casper/filesystem.squashfs /mnt/ubuntu_usb
-  $ mount -o loop -t squashfs /mnt/usb_disc/casper/filesystem.squashfs /mnt/ubuntu_usb
+  $ sudo mkdir /tmp/ubuntu_usb_image
-  $ mkdir /tmp/ubuntu_usb_image
+  $ sudo cp -aR /mnt/ubuntu_usb/* /tmp/ubuntu_usb_image/
   $ mount -t proc none /tmp/ubuntu_usb_image/proc
   $ mount -o bind /dev /tmp/ubuntu_usb_image/dev