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  1. Re: Can't Create Bootable DVD Of Ubuntu 18.04

    Hi,

    > total number of bytes of the ISO file [...] divided by 2048
    > Is that correct?

    Yes. Ye olde way of doing arithmetics in shell.


    $ stat -c '%s' ubuntu-18.04.3-desktop-amd64.iso...
  2. Re: Can't Create Bootable DVD Of Ubuntu 18.04

    Hi,

    > by closed, you mean the xorriso-burned DVD can no longer be written to,
    > correct?

    Yes. A DVD+R can have three states: Blank, Appendable, Closed.
    Blank means it is yet unused....
  3. Re: Can't Create Bootable DVD Of Ubuntu 18.04

    Hi,

    > using the same xorriso-burned DVD from earlier


    Drive type : vendor 'HL-DT-ST' product 'DVDRAM GT80N' revision '1.01'
    Drive id : 'KZ5D9H24934 '
    Media current: DVD+R
    Media...
  4. Re: Can't Create Bootable DVD Of Ubuntu 18.04

    Hi,

    about Ubuntu ISOs and its bootloaders.

    It is of course possible and usual to install GRUB on your hard disk as
    boot loader for being started by PC-BIOS firmware. It is also possible to...
  5. Re: Can't Create Bootable DVD Of Ubuntu 18.04

    Hi,

    just to avoid the impression that i bailed out of this thread:
    sudodus and i are discussing the mkusb/Debian issue in private mails now.

    Have a nice day :)

    Thomas
  6. Re: Can't Create Bootable DVD Of Ubuntu 18.04

    Hi,

    yes, Debian can be quite a closed clam. But debian-cd and debian-live
    should be interested in such a tool. I myself am upstream programmer and
    "sponsored" uploader of my own software. So i...
  7. Re: Can't Create Bootable DVD Of Ubuntu 18.04

    Hi,

    sudodus wrote:
    > mkusb version 12 alias dus can extract directly from a gzip or xz
    > compressed image file

    Is there a reason known why this tool is not available as Debian
    package ?...
  8. Re: Can't Create Bootable DVD Of Ubuntu 18.04

    Hi,

    westie457 wrote:
    > https://rufus.ie/

    This is indeed a suitable tool to put any USB stick bootable GNU/Linux ISO
    onto an USB stick. Use its "dd" mode in order to get the boot equipment...
  9. Re: Can't Create Bootable DVD Of Ubuntu 18.04

    Hi,

    > which firmware are we talking about?

    The mainboard firmware. In case of x86 processors the two candidates
    are commonly known as BIOS and EFI. This firmware shall inspect the
    attached...
  10. Re: Can't Create Bootable DVD Of Ubuntu 18.04

    Hi,

    > I created a bootable USB stick with Ubuntu, but his desktop wouldn't
    > boot,

    Did you use a plain copy method (dd, cp, ...) ?
    There are old howtos around which propose unpacking the ISO...
  11. Re: Can't Create Bootable DVD Of Ubuntu 18.04

    Hi,

    > It's not even saying the "device or resource [is] busy,"

    That would have been if the DVD was in some way readable and had been
    mounted by some filesystem driver.

    But when the drive...
  12. Re: Can't Create Bootable DVD Of Ubuntu 18.04

    Hi,

    during the run with xorriso command "-toc", the drive believed to have no
    medium at all.

    Later, during the run with command "-as cdrecord" it recognized a DVD+R.
    The re-assessment after...
  13. Re: Can't Create Bootable DVD Of Ubuntu 18.04

    Hi,

    > Uhmm, just to be clear. If you reread my post, you'll notice that
    > I used K3b, instead of Brasero.

    Oops. Sorry.
    ...
  14. Re: Can't Create Bootable DVD Of Ubuntu 18.04

    Hi,

    i fail to find the message text
    "Found medium. No medium information. Please insert a suitable medium into drive."
    in
    https://sources.debian.org/src/brasero/3.12.2-6/
    In the middle of...
  15. Re: Optical Drive slow reading CDs - Dell XPS17 Xubuntu 18.04.2

    Hi,

    > Xfburn seems to do the trick and it's usable as an every day pgm

    It's most obvious drawback is that cannot do multi-session.

    Brasero can "import" a medium which was "left open" in a...
  16. Re: Optical Drive slow reading CDs - Dell XPS17 Xubuntu 18.04.2

    Hi,

    > 2) Irrespective of the CD/DVD drive being used, Brasero when recording CDs
    > on recent ubuntu distros (1804 and 1604 tested) writes a bad block at the
    > end of the data. This doesn't...
  17. Re: Optical Drive slow reading CDs - Dell XPS17 Xubuntu 18.04.2

    Hi,

    > Wow ! There's a fair bit to digest here and it's a bit late this evening.

    You have reached the cellar level of support: libburn.


    > However if Brasero has upset the drive perhaps I'll...
  18. Re: Optical Drive slow reading CDs - Dell XPS17 Xubuntu 18.04.2

    Hi,

    > UNIX-SIGNAL: SIGINT errno= 2

    I assume this was caused by you by e.g. pressing Ctrl+C.
    (If not, then this was not the expected end of the run. We should
    investigate.)


    > I suppose...
  19. Re: Optical Drive slow reading CDs - Dell XPS17 Xubuntu 18.04.2

    Hi,

    you could try whether it works better if a userland program is
    in control of the SCSI transactions, rather than the cdrom driver
    of Linux:


    xorriso -read_speed max -outdev /dev/sr0...
  20. [ubuntu_mate] Re: Why won't most CD/DVD burn apps let you manually set burning speed?

    Hi,

    well, at least with Brasero and the libburn plugin, it is/was about a
    wrong sequence of parameters for libburn call burn_drive_set_speed().
    See my comment
    ...
  21. Re: Brasero not writing with Ubuntu 18.04

    Hi, if the medium is blank after a normally performed burn run then the problem is most likely a failure of the drive or the medium and not a failure of the burn software.


    Is it surely the...
  22. [xubuntu] Re: Windows 10 won't read xubuntu created CDs

    Hi,

    Xfburn does no UDF, because libisofs does no UDF. K3b may use mkisofs or
    genisoimage which can produce UDF for DVD video.

    But i really would be astonished if MS-Windows 10 could not read...
  23. [xubuntu] Re: Windows 10 won't read xubuntu created CDs

    Hi,

    yes, "New Data Composition" would be the Xfburn task to use. It creates
    an ISO 9660 filesystem which is supposed to be readable on about all
    operating systems. (If some of its files have...
  24. Replies
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    [kubuntu] Re: Brasero - Speed and Finalisation

    Hi,

    maybe you worry in vain just because of a misleading message by Brasero.

    I thoroughly blanked a DVD-RW to make it resemble a blank DVD-R.
    (Done by xorriso. There i know what it does.)...
  25. Replies
    4
    Views
    5

    [kubuntu] Re: Brasero - Speed and Finalisation

    Hi,

    the write speed is effecyively chosen by the drive. The burn program can
    only tell what it would like to have.
    One can ask the drive about the supported speeds. E.g. with a "16x" DVD-R
    i...
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