Results 1 to 6 of 6

Thread: Knoppix 8 Remaster Question during flash-knoppix install

  1. #1
    Member registered user
    Join Date
    Oct 2005
    Location
    Malta
    Posts
    49

    Knoppix 8 Remaster Question during flash-knoppix install

    When using flash-knoppix to install knoppix on USB, first it asks whether you would like to create an overlay file and then, afterwards, it asks if you want to remaster knoppix.

    What is the difference between the overlay and the remaster thing?

    I always considered the overlay as a "simple" (but not actual) remaster.

    What does knoppix do on the USB if you answer Yes to the remaster question please?

    Thanks in advance.

  2. #2
    Member registered user
    Join Date
    Oct 2005
    Location
    Malta
    Posts
    49
    Any feedback on this please?

  3. #3
    Senior Member registered user
    Join Date
    Sep 2006
    Posts
    802
    I haven't tried that option, but in general, remastering means creating a new compressed image, while overlays are stacked compressed file system modifications relative to the rest of the stack.
    So if you have a series of overlays, you might consider a remastering to collapse that stack and get better efficiency.

  4. #4
    Member registered user
    Join Date
    Oct 2005
    Location
    Malta
    Posts
    49
    Thanks for your reply Capricorny. That is how I understand it as well.

    However, at install time, whether you choose to Remaster or not, it still creates KNOPPIX2 as a stacked compressed file system and, as far as I know, there is no option (script?) in Knoppix to generate a remastered image. There was once a script by Werner P. Schulz to create a remastered image but now the website does not exist any more. It would be great if such script are integrated in the Live DVD since it would make remastering much easier.

  5. #5
    Senior Member registered user
    Join Date
    Sep 2006
    Posts
    802
    What is going on, I think, is that a slightly more "advanced" form of remastering is done, where the cloop images are created subject to the 4GB filesize constraint. The overlays are collapsed, but two non-overlapping images are created. If your files are to reside on less restricted file systems, you don't need to care about that - unless there is some limits in cloop file creation. I mostly use a "knoppified" version of plain Debian now, and there squashfs is used. But the principle for remastering is exactly the same.
    I think you should not let the lack of updated scripts stop you. There are several code snippets posted here through the years to work from.

  6. #6
    Senior Member registered user
    Join Date
    Sep 2006
    Posts
    802
    Now I have tried the "remaster" option, and it seems to me that the new overlay KNOPPIX2 is simply created on top of KNOPPIX and KNOPPIX1. Which may seem like a nuisance if you have purged a lot of packages to make room for new programs, but isn't really too bad for most ordinary use cases. I use both standard Debian (live) and Knoppix, and while I will stick to the ordinary remastering procedure for Debian, I think this "shallow" remastering will suffice for my Knoppix use.
    One of the real handy features of frequent remastering, is that the system may often be run without persistent store, which means, among other things, that errors or malware that is introduced will not survive the next reboot.

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  


Acer Chromebook Spin R751T 11.6

Acer Chromebook Spin R751T 11.6" 2in1 Touch Intel Celeron 4GB RAM 32GB Storage

$39.99



Team T-FORCE VULCAN Z 16GB (2 x 8GB) 288-Pin PC RAM DDR4 3200 (PC4 25600) Intel picture

Team T-FORCE VULCAN Z 16GB (2 x 8GB) 288-Pin PC RAM DDR4 3200 (PC4 25600) Intel

$35.99



A-Tech 8GB DDR3 1600 PC3-12800 Laptop SODIMM 204-Pin Memory RAM PC3L DDR3L 1x 8G picture

A-Tech 8GB DDR3 1600 PC3-12800 Laptop SODIMM 204-Pin Memory RAM PC3L DDR3L 1x 8G

$13.99



HyperX FURY RAM DDR4 16GB 8GB 32GB 4GB 3200 2666 2400 2133 Desktop Memory DIMM picture

HyperX FURY RAM DDR4 16GB 8GB 32GB 4GB 3200 2666 2400 2133 Desktop Memory DIMM

$15.85



A-Tech 8GB PC3-12800 Desktop DDR3 1600 MHz Non ECC 240-Pin DIMM Memory RAM 1x 8G picture

A-Tech 8GB PC3-12800 Desktop DDR3 1600 MHz Non ECC 240-Pin DIMM Memory RAM 1x 8G

$13.99



A-Tech 16GB 2 x 8GB PC3-12800 Laptop SODIMM DDR3 1600 Memory RAM PC3L 16G DDR3L picture

A-Tech 16GB 2 x 8GB PC3-12800 Laptop SODIMM DDR3 1600 Memory RAM PC3L 16G DDR3L

$27.98



Kingston HyperX FURY DDR3 8GB 16GB 32G 1600 1866 1333 Desktop Memory RAM DIMM picture

Kingston HyperX FURY DDR3 8GB 16GB 32G 1600 1866 1333 Desktop Memory RAM DIMM

$39.95



G.SKILL Trident Z RGB 16GB 2x 8GB 3200MHz DDR4 Desktop RAM F4-3200C16S-8GTZR picture

G.SKILL Trident Z RGB 16GB 2x 8GB 3200MHz DDR4 Desktop RAM F4-3200C16S-8GTZR

$38.99



Crucial 16GB (2x 8GB) Kit DDR3 1600MHz PC3-12800 UDIMM Desktop 240-Pin CL11 RAM picture

Crucial 16GB (2x 8GB) Kit DDR3 1600MHz PC3-12800 UDIMM Desktop 240-Pin CL11 RAM

$21.95



Corsair Vengeance 32GB 16GB 8GB DDR3 1600MHz 1866MHz 2133MHz 2400MHz Memory LOT picture

Corsair Vengeance 32GB 16GB 8GB DDR3 1600MHz 1866MHz 2133MHz 2400MHz Memory LOT

$79.99