On the LiveCD
[Edit] Hardware Requirements
Memory not less than 328M hard drive is not less than 5G
[Edit] Download CD-ROM file
Use axel or wget to download the LiveCD file ubuntu9.10
wget -c http://ubuntu.srt.cn/ubuntu-releases/9.10/ubuntu-9.10-desktop-i386.iso
md5sum ubuntu-9.10-desktop-i386.iso 8790491bfa9d00f283ed9dd2d77b3906 *ubuntu-9.10-desktop-i386.iso
Recommended to download the ISO certification after the completion of the backup file to the U disk or mount disk.
[Edit] Setting iso file
Note: the following are the assumptions, in practice, if we need flexibility to mount iso files on the disk under the installation location to mount the disk / media / disk /, where / media / disk / partition format is vfat, that is FAT32. where / media / disk / specific circumstances as their specific circumstances. An important prerequisite is to ensure the effective fstab to mount the disk was mounted the iso and then we want them . disk and under the vmlinuz casper and initrd.lz released, save to / media / disk / in the transfer to / media / disk / under before you check under / media / disk / the remaining space, the remaining space at least 750M. If not much that could be considered surplus to delete unwanted files. First of all the iso files to / media / disk / under iso file into the store directory
sudo mv *.iso /media/disk/
Then mount the iso, and copy. Disk, vmlinuz and initrd.lz three files to / media / disk /
sudo mkdir /mnt/live ; cd /media/disk ; sudo mount -t iso9660 -o loop,utf8 *.iso /mnt/live/ ; sudo cp -r /mnt/live/.disk /media/disk/ ; sudo cp /mnt/live/casper/vmlinuz /media/disk/ ; sudo cp /mnt/live/casper/initrd.lz /media/disk/
If any important documents before reboot your system back up in time.
[Edit] Setting Startup Items
Modify grub file to start the entry point to the iso file
sudo gedit /boot/grub/menu.lst
Copy the following section to the menu.lst file
title Ubuntu 9.10 LiveCD root (hd0,3) kernel /vmlinuz boot=casper iso-scan/filename=/ubuntu-9.10-desktop-i386.iso ro quiet splash locale=zh_CN.UTF-8 initrd /initrd.lz boot
Description: The second line of the root (hd0, 3) partly based on your specific circumstances, if your / media / disk / location is (hd0, 1), then you should be set to (hd0, 1) set up after save out of more than say, in theory, the iso file anywhere on the disk (including the U disk) can all be installed, but the hd number you have to figure out, try to start the installation of a one-time success.
GRUB_HIDDEN_TIMEOUT = 10 GRUB_HIDDEN_TIMEOUT_QUIET = false
This time there could have chosen 10 seconds.
Switch to the "/ etc / grub.d"
grub menu settings item. Add the ISO image it, from 50 onwards, has been a 40 before. Names such as 50_ubuntu_lucid
echo "Adding $ (egrep menu [e] ntry $ 0 | cut-d '"'-f2) "> & 2
cat << EOF
menuentry "Ubuntu 10.04 Daily Build" (
loopback loop (hd0,3)/ansi/software_and_config/ISOs/ubuntu/lucid-desktop-i386.iso linux (loop)/casper/vmlinuz boot=casper iso-scan/filename=/ansi/software_and_config/ISOs/ubuntu/lucid-desktop-i386.iso file=(loop)/preseed/ubuntu.seed quiet splash bootkbd=sg -- initrd (loop)/casper/initrd.lz
) Means sda3 under / ansi / software_and_config / ISOs / ubuntu /. In order to change it for your needs there are 3 elements to change. The loopback line contains your hard disk in grub style (hdx, yx = 0 -> sda x = 1 -> sdb aso) and the path. The third element to change is in the linux line. Store this file as "50_ubuntu" in "/ etc / grub.d", make it executable with "chmod a + x 50_ubuntu" and activate the changes with "ubdate-grub". A
[Edit] How to determine the ISO position
grub and hd0, x is the drive to install the key issues to address these two issues, the hard disk installed Ubuntu operating system on half the battle! Query using fdisk partition of the machine state, such as my:
sudo fdisk -l
The results are as follows
Disk /dev/sda: 80.0 GB, 80026361856 bytes 255 heads, 63 sectors/track, 9729 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Disk identifier: 0x00019d35 Device Boot Start End Blocks Id System /dev/sda1 1 12 96358+ 82 Linux swap / Solaris /dev/sda2 13 302 2329425 83 Linux /dev/sda3 * 303 995 5566522+ 83 Linux /dev/sda4 996 9729 70155855 c W95 FAT32 (LBA)
The first line shows the hard disk size is 80G, Line 4 shows the hard disk after the partition state, with a * is the grub kernel specified location, then the / dev/sda3 in grub is how to represent it? Expressed in the grub as (hd0, 2), that is the partition number by one, we are the ubuntu's iso and boot files on / dev/sda4 root directory, / dev/sda4 partition formatted as fat32, then, if to guide the grub boot / dev/sda4 iso file then they would have under the grub boot to / dev/sda4 disk, it is also that (hd0, 3) correspondence
/dev/sda1 hd0,0 /dev/sda2 hd0,1 /dev/sda3 * hd0,2 /dev/sda4 hd0,3
If we use the USB to install ubuntu how to do? First of all, to the system used to mount usb usb disk partition fdisk view state, for example:
Disk /dev/sdb: 2118 MB, 2118123520 bytes 127 heads, 32 sectors/track, 1017 cylinders Units = cylinders of 4064 * 512 = 2080768 bytes Disk identifier: 0x00000000 Device Boot Start End Blocks Id System /dev/sdb1 * 1 1018 2068448 b W95 FAT32 Partition 1 has different physical/logical endings: phys=(1023, 126, 32) logical=(1017, 119, 32)
Then copy the iso ubuntu and boot files on / dev/sdb1 root directory, in / media folder under the new usb and then let the system automatically mount usb, modify fstab, the following is only for reference:
sudo nano /etc/fstab
#/dev/sdb1 /dev/sdb1 /media/usb vfat defaults 0 0
And then modify the grub, boot location that is (hd1, 0)
Restart the system, select the Ubuntu 9.10 LiveCD boot into the system boot entry. The important point to add: After clicking the desktop installation, you must first umount isodevice
sudo umount -l /isodevice
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