Antix 19.4 base.. dual booting on x86 boxes

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  • This topic has 7 replies, 3 voices, and was last updated May 27-3:50 pm by AA BB.
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  • #60187
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    AA BB

    AntiX 19.4 base is working great on all our x86 boxes and folks like it
    .
    But several x86 users want to be set up Antix 19/MX 19 dual boots, and can’t figure out how to do it using either AntiX boot repair or MX boot repair.
    Is there an AntiX doc on how to set up dual boots ??

    #60191
    Anonymous
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    video: “antiX/MX live boot rescue system”
    https://www.youtube.com/watch?v=KQxHFeXlnwI

    If that exact video misses the mark (I’m unsure whether I’m linking the most relevant video here), search “boot” among the other runwiththedolphin channel videos,

    #60201
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    Xecure
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    If MX and antiX are the only installed systems (no WIndows), you just need to install them normally, WITH grub (installing the system you want to manage grub LAST).

    Also, you provide no info on how the system boots. Is it MBR? Is it EFI?

    If both systems are already installed, using the Boot repair on the system you want to manage Grub/boot will/should set it up proerly.

    Let us imagine you want MX Linux to manage the Boot. Use a MX Linux/antiX live USB and use Boot repair to:
    1. Reinstall Grub/boot in (MBR for Legacy boot or ESP for EFI systems; choose depending on the system), selecting the MX partition and the whole disk (or EFI partition).
    2. Repair boot on the same place as in 1.

    Boot repair needs to 1 Reinstall and the Repair to fix for sure the issue.

    Researching the MX forum or this forum would have given you the answer in 5-10 minutes, without wasting time waiting for an answer.

    antiX Live system enthusiast.
    General Live Boot Parameters for antiX.

    #60216
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    AA BB
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    All our MSWindows OS’s systems were removed in late 2019 and all our current x86 boxes are MBR based, no UEFIs …GParted indicates the dual boot systems have separate AntiX 19.4 and MX-19 dedicated partitions We repeatedly tried MBR boot repair using the boot repair tools available on Live USBs containing MX19 and AntiX 19.4 (May 2021 version). The only thing we end up with is a boot menu that boots either AntiX or MX but never dual MX/Antix. All the boot repairs specify MBR.

    All our MX and Antix dual installs are encrypted installs, and each has its own swap and root partition but both share the same boot partition, and obviously both share the MBR. Our last attempt gave MX and Antix their own separate boot partitions, but we still got only a single boot.

    The bottom line issue we face is getting grub and/or boot repair to dual boot two completely separate encrypted installs on an MBR system.

    In order to dual boot for both installs, the boot repair tools must some how figure out the correct boot partitions of both installs.
    If MX is currently controlling the MBR, it seems to me the only possible way to create a dual boot is to run the AntiX boot repair tool, and hope it “add” the Antix boot partition to the current MBR. Instead, it appears the AntiX boot repair tool is overwriting the MBR controlled by MX, with a new one controlled by AntiX

    • This reply was modified 1 year, 6 months ago by AA BB.
    • This reply was modified 1 year, 6 months ago by AA BB.
    #60217
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    AA BB
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    AntiX search for “boot repair” and “grub repair” shows nothing. MX search for “boot repair” shows lots of posts reporting they are unable to successfully repair using the MX boot repair tool.

    For Antix versions prior to May 2021, we always got dual boot to work by installing the new AntiXversion first, then re-installing MX 19.2 from live USB.
    When we installed MX first, followed by AntiX we never got a dual boot menu boot menu.
    But this time around installing MX 19.2 after AntiX 19.4 did not work…

    • This reply was modified 1 year, 6 months ago by AA BB.
    #60219
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    AA BB
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    I’ve always found Dolpphin videos quite helpful but not this one : “antiX/MX live boot rescue system”

    , so my search continues… currently trying to decipher page 3 (Felix Mar 25 2021) of
    https://forum.mxlinux.org/viewtopic.php?f=92&t=63798&hilit=grub+menu+repair&start=20

    • This reply was modified 1 year, 6 months ago by AA BB.
    • This reply was modified 1 year, 6 months ago by AA BB.
    #60248
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    The problem resides in using encrypted partitions on MBR and not UEFI. All this information you didn’t initially provide changes the answer completely.

    On UEFI, boot .EFI files for each boot partition are saved on a separate (EFI) partition outside the (encrypted) partitions, so a single boot partition can find them easily. If you want dual boot on MBR, the simple solution I can come to (based on other topics, an unreliable solution) is for you to have two boot partitions, one for each encrypted partition, and only use one for MBR.
    The other solution is to mount the other encrypted partition from the installed system and run sudo update-grub (based on one of these answers)

    It is best to ask in the MX forum, as here you can only find unreliable answers, based on another poster.

    antiX Live system enthusiast.
    General Live Boot Parameters for antiX.

    #60300
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    AA BB
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    If you want dual boot on MBR, the simple solution I can come to (based on other topics, an unreliable solution) is for you to have two boot partitions, one for each encrypted partition, and only use one for MBR.

    We are currently using two separate boot partitions, but still cant get dual boot to work.

    Our current thinking is that, instead of the current boot repair tool, another tool is needed that will:
    (1) list all boot-able partitions on the system,
    (2) obtains user input regarding which partition(s) the user wants to include in the boot menu,
    (3) creates the appropriate boot menu based on (2)
    Hard to believe the creators of Debian’s “boot repair” haven’t come up with such a tool

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