X-Git-Url: https://git.sur5r.net/?p=bacula%2Frescue;a=blobdiff_plain;f=rescue%2Flinux%2Foldusb%2FREADME.usb;fp=rescue%2Flinux%2Foldusb%2FREADME.usb;h=c3a64034791847ecb9559035ae242ea934ced2f2;hp=0000000000000000000000000000000000000000;hb=fb21b5066e01a80263767f2406829a10dfa58303;hpb=0a3515b92eb06f0fee16cee0f189ae5aa83b4414

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+
+Copyright (C) Kern E. Sibbald, 2009
+
+This directory is used to build a USB key containing a Kubuntu 8.04 LiveCD
+with persistent OS files and persistent /home files.
+
+You will need to run as root for most things ...
+
+Packages needed:
+apt-get install syslinux mbr
+
+
+1. Start by editing the "config" file. Be sure to get your USB_DEV
+   definition correct.  Note: you can see what devices you have
+   connected by running:
+
+      lsscsi
+
+   For example, I get:
+
+   $ lsscsi
+    [1:0:0:0]    cd/dvd  _NEC     DVD+RW ND-1100A  108B  /dev/scd0
+    [1:0:1:0]    cd/dvd  PHILIPS  DVD+-RW DVD8631  9D03  /dev/scd1
+    [9:0:0:0]    disk    Kingston DataTraveler 2.0 PMAP  /dev/sda
+
+   and in my case, the USB device is the Kingston DataTraveler on
+   device /dev/sda.
+
+   Alternatively you can do:
+
+       fdisk -l
+
+2.  The scripts you need to partition the key and 
+   to write the boot image to it are all in this (usb) directory. 
+
+3. If you ever want to put the key back to its prior state, *before*
+   running the partition_usb_key, you might consider doing a:
+
+     sfdisk -d /dev/key-device >save_me  
+
+   where key-device is the key device name (e.g. sda).  The
+   output file can be fed back into sfdisk to recreate the original
+   with:
+
+     sfdisk /dev/key-device <save_me
+
+4. The next step is to get a copy of kubuntu8.tar.gz, which is the
+   USB boot image. Currently, it can be downloaded from:
+
+    www.bacula.org/downloads/kubuntu8.tar.gz
+
+  or from:
+
+    www.sibbald.com/download/kubuntu8.tar.gz
+
+5. Edit the file "config" and fill in the values that correspond
+   to your setup.
+
+6. After editing the config file, run:
+
+   ./partition_usb_key
+
+   Note, this script will destroy *all* data on the key, and assumes
+   that you have a 3GB or bigger key.  It may work for a 2GB key,
+   but you might want to reduce the size of the second partition.
+
+
+   The partition_usb_key script creates three partitions:
+
+    1. kubuntu8  -- USB boot partition containing the OS
+    2. casper-rw -- A writable ext3 partition for saving OS changes
+    3. home-rw   -- A writable ext3 partition for saving /home
+
+6. Mount your USB key and detar the kubuntu8.tar.gz image 
+   into the first partition.  Do this with:
+
+   ./write_usb_boot_partition
+
+   This can take a good amount of time (5 mins) since it must format
+   the new partitions then copy the boot image.
+
+7. You should now have a USB stick that can be booted providing the
+   machine permits booting from the USB port -- this can be adjusted
+   by modifying the BIOS boot sequence.  On Dell machines, you can 
+   enter the BIOS setup by pressing F2 just after power on.  
+
+   Alternatively, most machines let you boot from an alternate device.
+   For example if you press F11 while a Sony Viao is powering up, it 
+   will boot from the USB port. 
+
+   On Dell machines during power on, if you press F12, you will be
+   able to select any boot device (one time only) other than the one
+   that is the default (normally the CDROM or HDD).
+
+8.  When the key is booted, assuming you choose the first option 
+   (LiveCD), you will be running as user "ubuntu" the password is
+   "bacula", and you will be in /home/ubuntu.  
+
+9. Before booting, you might want to remove the USB key, using the
+   remove safely mode, then plug it back in so that you can access
+   the home-rw partition. Here you can put anything you want from
+   your system. However, you must use care to ensure that the files
+   are written with UID=1000 and GID=1000, which is ubuntu:ubuntu when
+   your boot the USB key.
+
+10. Finally, if you are running with a KDE desktop on Kubuntu 8.04,
+   you can copy it to the key with:
+
+   ./copy_kubuntu_desktop_to_usb
+
+   If you are not using Kubuntu, you can modify the script to 
+   adapt it to your situation or simply create a new script.
+
+===
+
+If you want to add additional OS tools to your USB stick, there are two
+ways:
+
+1. Remaster the iso boot image (a bit complicated) see README.technotes
+2. Simply use sudo apt-get install ... when booted into your USB stick. 
+   The changes will be written to the casper-rw partition (the
+   read/write OS partition).
+
+If you want to add something to your USB home directory simply mount
+the home-rw partition and write to it in the appropriate place as noted
+in item #9 above.
+
+One slightly annoying thing about the USB key is that the casper-rw and the
+home-rw partitions must be ext3 (with journaling turned on), and journaling
+is not really the best way to run with USB keys that have a finite write 
+lifetime. Switching the partitions to ext2 seems to prevent them from being
+written correctly, which means a lot of things such as starting X do not
+work.