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
    48

    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
    48
    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
    48
    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
  •  


Dell PowerEdge R620 Server | 2x E5-2670 16 Cores | 96GB | H710 | 2x 600GB 10K  picture

Dell PowerEdge R620 Server | 2x E5-2670 16 Cores | 96GB | H710 | 2x 600GB 10K

$365.95



Dell Poweredge R410 2 X SIX CORE 2.40GHZ E5645 32GB RAM 500GB HHD SERVER QTY picture

Dell Poweredge R410 2 X SIX CORE 2.40GHZ E5645 32GB RAM 500GB HHD SERVER QTY

$159.99



Dell PowerEdge R710 2U Server 2x X5675 3.06GHZ 12-Core / 32gb / 2xTrays / Perc6i picture

Dell PowerEdge R710 2U Server 2x X5675 3.06GHZ 12-Core / 32gb / 2xTrays / Perc6i

$159.99



Dell PowerEdge R630 16-Core Xeon E5-2630, 64GB DDR4, iDRAC Enterprise, 1U Server picture

Dell PowerEdge R630 16-Core Xeon E5-2630, 64GB DDR4, iDRAC Enterprise, 1U Server

$499.99



Dell PowerEdge R620 8Bay Server 2x Xeon E5-2660 2.2GHz 128GB RAM H710P Tested picture

Dell PowerEdge R620 8Bay Server 2x Xeon E5-2660 2.2GHz 128GB RAM H710P Tested

$249.99



Dell Poweredge R420 2 X SIX CORE 2.20GHZ E5-2430 12GB RAM 500GB SERVER QTY picture

Dell Poweredge R420 2 X SIX CORE 2.20GHZ E5-2430 12GB RAM 500GB SERVER QTY

$189.99



Dell Poweredge R220 Server Xeon E3-1271 v3 3.6ghz Quad Core / 16gb / 1x Tray picture

Dell Poweredge R220 Server Xeon E3-1271 v3 3.6ghz Quad Core / 16gb / 1x Tray

$156.99



Dell PowerEdge R720XD Server / 2x 2650 V2 2.6GHz = 16C / Choose RAM & Drives picture

Dell PowerEdge R720XD Server / 2x 2650 V2 2.6GHz = 16C / Choose RAM & Drives

$680.00



Dell R730xd LFF 2x E5-2660v4 14C 384GB 24TB 6Gb/s 7.2K SAS + 1x 200GB 12GBs SSD  picture

Dell R730xd LFF 2x E5-2660v4 14C 384GB 24TB 6Gb/s 7.2K SAS + 1x 200GB 12GBs SSD

$1685.00



Dell PowerEdge R720XD Server | 2x 2.8GHz 20 Cores | 128GB | H710 | 20TB Storage picture

Dell PowerEdge R720XD Server | 2x 2.8GHz 20 Cores | 128GB | H710 | 20TB Storage

$923.95