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Thread: Wayland Live CD

  1. #641
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    Re: Wayland Live CD

    Quote Originally Posted by lehjr View Post
    Think I found out why I can't boot the ISO directly from GRUB2. "What a remastersys iso needs is lupin-casper in order to boot up"

    http://ubuntuforums.org/showpost.php...&postcount=136
    I tried to boot an iso and no luck either, let us know how you do.

  2. #642
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    Re: Wayland Live CD

    Quote Originally Posted by cecilpierce View Post
    I tried to boot an iso and no luck either, let us know how you do.
    Basically, nerdopolis needs to install lupin-casper before making ISO in order for the ISO itself to be have loop support. Also, if needed, this can be added to /boot/grub/loopback.cfg if it isn't automatically generated:
    Code:
    menuentry "Try RebeccaBlackLinux without installing" {
    	linux /casper/vmlinuz file=/cdrom/preseed/custom.seed boot=casper iso-scan/filename=${iso_path} quiet splash --
    	initrd /casper/initrd.gz
    }
    
    menuentry "Start RebeccaBlackLinux in safe graphics mode" {
    	linux /casper/vmlinuz file=/cdrom/preseed/custom.seed boot=casper xforcevesa iso-scan/filename=${iso_path} quiet splash --
    	initrd /casper/initrd.gz
    }
    
    menuentry "Start RebeccaBlackLinux (compatibility mode)" {
    	linux /casper/vmlinuz file=/cdrom/preseed/custom.seed boot=casper xforcevesa iso-scan/filename=${iso_path} ramdisk_size=1048576 root=/dev/ram rw noapic noapci nosplash irqpoll --
    	initrd /casper/initrd.gz
    }
    
    menuentry "Install RebeccaBlackLinux" {
    	linux /casper/vmlinuz file=/cdrom/preseed/custom.seed boot=casper only-ubiquity iso-scan/filename=${iso_path} quiet splash --
    	initrd /casper/initrd.gz
    }
    
    menuentry "Test memory" {
    	linux /install/memtest
    }
    Essentially, that's a GRUB2 cfg file. I don't believe it is required, but it allows the user to access the menu from the main GRUB2 installation with this added to /etc/grub.d/40_custom
    Code:
    menuentry "RebeccaBlackLinux" {
      iso_path="/home/leon/ISO/RebeccaBlackLinux.iso"
      export iso_path
      search --set --file $iso_path
      loopback loop $iso_path
      root=(loop)
      configfile /boot/grub/loopback.cfg
      loopback --delete loop
    }
    save and then run sudo update-grub
    Notes:
    • spaces in the ISO name may cause problems
    • change the value for iso_path to match where you have your ISO.


    Again though, this would only work with lupin-casper installed.

  3. #643
    Join Date
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    Kubuntu

    Re: Wayland Live CD

    Quote Originally Posted by lehjr View Post
    Basically, nerdopolis needs to install lupin-casper before making ISO in order for the ISO itself to be have loop support. Also, if needed, this can be added to /boot/grub/loopback.cfg if it isn't automatically generated:
    Code:
    menuentry "Try RebeccaBlackLinux without installing" {
        linux /casper/vmlinuz file=/cdrom/preseed/custom.seed boot=casper iso-scan/filename=${iso_path} quiet splash --
        initrd /casper/initrd.gz
    }
    
    menuentry "Start RebeccaBlackLinux in safe graphics mode" {
        linux /casper/vmlinuz file=/cdrom/preseed/custom.seed boot=casper xforcevesa iso-scan/filename=${iso_path} quiet splash --
        initrd /casper/initrd.gz
    }
    
    menuentry "Start RebeccaBlackLinux (compatibility mode)" {
        linux /casper/vmlinuz file=/cdrom/preseed/custom.seed boot=casper xforcevesa iso-scan/filename=${iso_path} ramdisk_size=1048576 root=/dev/ram rw noapic noapci nosplash irqpoll --
        initrd /casper/initrd.gz
    }
    
    menuentry "Install RebeccaBlackLinux" {
        linux /casper/vmlinuz file=/cdrom/preseed/custom.seed boot=casper only-ubiquity iso-scan/filename=${iso_path} quiet splash --
        initrd /casper/initrd.gz
    }
    
    menuentry "Test memory" {
        linux /install/memtest
    }
    Essentially, that's a GRUB2 cfg file. I don't believe it is required, but it allows the user to access the menu from the main GRUB2 installation with this added to /etc/grub.d/40_custom
    Code:
    menuentry "RebeccaBlackLinux" {
      iso_path="/home/leon/ISO/RebeccaBlackLinux.iso"
      export iso_path
      search --set --file $iso_path
      loopback loop $iso_path
      root=(loop)
      configfile /boot/grub/loopback.cfg
      loopback --delete loop
    }
    save and then run sudo update-grub
    Notes:
    • spaces in the ISO name may cause problems
    • change the value for iso_path to match where you have your ISO.


    Again though, this would only work with lupin-casper installed.
    I'll investigate this, and see if I can get it to work. Thanks.
    The glass is at 50% of its capacity.


  4. #644
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    Re: Wayland Live CD

    Quote Originally Posted by nerdopolis View Post
    I'll investigate this, and see if I can get it to work. Thanks.
    Thanks for looking into it

    btw, i did manage to dump the ISO to a spare hard drive pretty much in the same manor you would for a USB device, added a grub entry and booted that way so I could check out the CD.

    The biggest Wayland issue I see is that the screen doesn't look like it gets updated enough for things like drop down menus (Firefox) and window resizes. But overall it's still progress.

  5. #645
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    Re: Wayland Live CD

    Quote Originally Posted by lehjr View Post
    Thanks for looking into it

    btw, i did manage to dump the ISO to a spare hard drive pretty much in the same manor you would for a USB device, added a grub entry and booted that way so I could check out the CD.

    The biggest Wayland issue I see is that the screen doesn't look like it gets updated enough for things like drop down menus (Firefox) and window resizes. But overall it's still progress.
    Yeah. That's caused by the X server that runs within Weston so that X apps work. Native apps work much better, but there are fewer of them
    The glass is at 50% of its capacity.


  6. #646
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    Re: Wayland Live CD

    My new CD is available! I think it can actually be burned to a CD (not needing a DVD)!

    I trimmed lots of packages out, and my next attempt is to get these KDE apps to compile around kdelibs which is build on QT5 which has the Wayland backend. I have QT and kdelibs working. I just need to get the apps working
    The glass is at 50% of its capacity.


  7. #647
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    Re: Wayland Live CD

    Quote Originally Posted by nerdopolis View Post
    My new CD is available! I think it can actually be burned to a CD (not needing a DVD)!

    I trimmed lots of packages out, and my next attempt is to get these KDE apps to compile around kdelibs which is build on QT5 which has the Wayland backend. I have QT and kdelibs working. I just need to get the apps working
    ... and the ISO is bootable now without burning to a disk!!

  8. #648
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    Re: Wayland Live CD

    Quote Originally Posted by lehjr View Post
    ... and the ISO is bootable now without burning to a disk!!
    I copied and pasted your stuff and installed lupin-casper, but seems like somethings missing,
    Heres what 40_custom has:
    menuentry "RebeccaBlackLinux" {
    iso_path="/home/cecil/ISO/RebeccaBlackLinux.iso"
    export iso_path
    search --set --file $iso_path
    loopback loop $iso_path
    root=(loop)
    configfile /boot/grub/loopback.cfg
    loopback --delete loop
    }

    Whats missing in the path maybe...?

  9. #649
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    Re: Wayland Live CD

    Quote Originally Posted by cecilpierce View Post
    I copied and pasted your stuff and installed lupin-casper, but seems like somethings missing,
    Heres what 40_custom has:
    menuentry "RebeccaBlackLinux" {
    iso_path="/home/cecil/ISO/RebeccaBlackLinux.iso"
    export iso_path
    search --set --file $iso_path
    loopback loop $iso_path
    root=(loop)
    configfile /boot/grub/loopback.cfg
    loopback --delete loop
    }

    Whats missing in the path maybe...?
    loopin-casper needed to be installed inside the CD environment, which it is now, but there is no /boot/grub/loopback.cfg on the CD. You can still boot without it though, but it will be a bit more code. I'm working on editing my own 40_custom to point to a config file I don't need to update grub or edit as root, since I will probably be messing around with a few different ISO's. I should have something usable posted for you in the next couple hours.
    Last edited by lehjr; August 24th, 2012 at 10:24 PM.

  10. #650
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    Re: Wayland Live CD

    OK thanks, this is over my head...!
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