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Thread: please clarify this instruction in the persistent usb install how-to

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  1. #1
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    Default please clarify this instruction in the persistent usb install how-to

    ~~~~~~~~~
    Copy the files from the iso to the USB drive
    cd /mnt/sdb1
    rsync -r /cdrom/* .
    ~~~~~~~~~

    Rsync copies from source to destination
    source = /cdrom/*
    what is destination?( i know it's supposed to be the usb but i dont understand how a single period refers to it)

    Since i have the 32 bit gnome iso sitting on my hard drive, do i have to burn to a cdrom to use the above command? can i not extract the contents of the iso to a folder and just use THAT as the source?
    for example, /root/tmp/bt5gnome/*

  2. #2
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    Default Re: please clarify this instruction in the persistent usb install how-to

    from the code you have listed there you are copying the cdrom files /cdrom/* meaning all to . which is the current directory that you changed to (mnt/sdb1) in your case

  3. #3
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    Default Re: please clarify this instruction in the persistent usb install how-to

    Have u tried this

    http://www.pendrivelinux.com/univers...easy-as-1-2-3/

    has Persistent mode capability too. There was another but ii cannot remember name.

  4. #4
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    Default Re: please clarify this instruction in the persistent usb install how-to

    Quote Originally Posted by bwana View Post
    Since i have the 32 bit gnome iso sitting on my hard drive, do i have to burn to a cdrom to use the above command? can i not extract the contents of the iso to a folder and just use THAT as the source?
    for example, /root/tmp/bt5gnome/*
    so do i need to waste a dvd and burn bt5?
    is quoting myself narcisstic?

  5. #5
    Just burned his ISO
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    Default Re: please clarify this instruction in the persistent usb install how-to

    I did exactly what the instructions say (except i used sdc1 in all instances of sdb1 because i have a windows partition taking up sdb). I did everything from the BT5-Gnome-32 Live DVD (md5sum is correct).

    The problem I have is when trying to boot the USB alone, I get "Boot Error" before loading the grub menu. However, when I also have the DVD inserted, it loads completely, using /dev/sdc1 (not my DVD). I know this because I have both my casper-rw folder mounted and a BT5 DVD mounted. I check /cdrom, and my /dev/sdc1 is mounted to it automatically.

    Am I missing something, or do I really need the DVD and USB inserted together in order for persistence to work?

  6. #6
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    Default Re: please clarify this instruction in the persistent usb install how-to

    Quote Originally Posted by hylogibbon View Post
    I did exactly what the instructions say (except i used sdc1 in all instances of sdb1 because i have a windows partition taking up sdb). I did everything from the BT5-Gnome-32 Live DVD (md5sum is correct).

    The problem I have is when trying to boot the USB alone, I get "Boot Error" before loading the grub menu. However, when I also have the DVD inserted, it loads completely, using /dev/sdc1 (not my DVD). I know this because I have both my casper-rw folder mounted and a BT5 DVD mounted. I check /cdrom, and my /dev/sdc1 is mounted to it automatically.

    Am I missing something, or do I really need the DVD and USB inserted together in order for persistence to work?
    @hyloglibbon
    i have noticed the same flakiness. if i configure the usb stick with unetbootin as a live bt5 install, it starts fine. however, if i use yumi or liveusb, i get the boot error. i did notice that the stick is recognized differently depending on the utility that formats it- when formatted by one utility the bios will see it as a hdd, but if utility formats it, then it is seen as a zip. if i purposefully use a utility to load a floppy driver, then it is seen as a floppy in the boot menu. i am going to research this discrepancy more and report back.

    @rizler
    I have the gnome 32 bit iso on my hard drive. no i am not booting it as a vm. it's just the file that you would use to burn a cd. but this linux command

    rsync -r /cdrom/* .

    makes me think that rsync is going to look for a dvd in the optical drive. i dont want to have to burn a dvd. i just want to point rsync to the source file. i thought rsync could read iso files. but if rsync cannot read into an iso file, then i can mount the iso file with daemon tools or some such utility. how would i specify the particular optical drive for rsync to read?

  7. #7
    Just burned his ISO
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    Default Respuesta: Re: please clarify this instruction in the persistent usb install how-to

    Quote Originally Posted by bwana
    rsync -r /cdrom/* .

    makes me think that rsync is going to look for a dvd in the optical drive. i dont want to have to burn a dvd. i just want to point rsync to the source file. i thought rsync could read iso files. but if rsync cannot read into an iso file, then i can mount the iso file with daemon tools or some such utility. how would i specify the particular optical drive for rsync to read?
    I don't know about rsync reading ISOs, but to mount it simply use the following commands:
    Code:
    mkdir /tmp/btiso
    sudo mount -t iso9660 -o loop /path/to/bt5.iso /tmp/btiso
    ls /tmp/btiso #just to make sure it mounted properly and now you can sync from the mount point
    rsync -r /tmp/btiso/* .
    Check the mount manual page for any clarification.

    The mount type is typically iso9660 for .iso files, but it may also be udf.

  8. #8
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    Default Re: Respuesta: Re: please clarify this instruction in the persistent usb install how-

    just a heads up towards your command while it will work you dont need to use the sudo command as you should already be running as root

  9. #9
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    Default Re: please clarify this instruction in the persistent usb install how-to

    ok if you are running linux currently what you need to do is mount the iso (its a pretty easy / common thing you should know with linux)
    mkdir /mnt/disc/ && mount /root/Desktop/BT5-GNOME-32.iso /mnt/disc -o ro,loop
    then when you use rsync specify the file location
    rsync -r /mnt/disc/ .

    rsync is just a command that speeds up copying of large volumes of files it doesn't need to access a cdrive it can use what ever path you supply
    Quote Originally Posted by bwana View Post
    @hyloglibbon
    i have noticed the same flakiness. if i configure the usb stick with unetbootin as a live bt5 install, it starts fine. however, if i use yumi or liveusb, i get the boot error. i did notice that the stick is recognized differently depending on the utility that formats it- when formatted by one utility the bios will see it as a hdd, but if utility formats it, then it is seen as a zip. if i purposefully use a utility to load a floppy driver, then it is seen as a floppy in the boot menu. i am going to research this discrepancy more and report back.

    @rizler
    I have the gnome 32 bit iso on my hard drive. no i am not booting it as a vm. it's just the file that you would use to burn a cd. but this linux command

    rsync -r /cdrom/* .

    makes me think that rsync is going to look for a dvd in the optical drive. i dont want to have to burn a dvd. i just want to point rsync to the source file. i thought rsync could read iso files. but if rsync cannot read into an iso file, then i can mount the iso file with daemon tools or some such utility. how would i specify the particular optical drive for rsync to read?

  10. #10
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    Default Re: please clarify this instruction in the persistent usb install how-to

    @ byteme & rizler
    thank you.

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