Mount image of Raspian on USB Thumb drive

[Dweeber]

I have a USB Thumb drive with a 16GB MicroUSB card in it that I wrote to it using Win32diskimager. On it I have written the current Raspbian Wheeze distro. I have not yet booted this copy yet.

If I wanted to plug that USB Drive into the RPi USB port (no hub) and then mount the two filesystems on it to /mnt, what commands would I use to get it mounted read/write so that I could access it from my RPi?

The idea is to do some preset up before I boot it for the first time without having to use another computer.

[Dweeber]

Doing this as root....

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# ls -al /mnt
total 16
drwxr-xr-x  4 root root 4096 Sep 24 12:58 .
drwxr-xr-x 24 root root 4096 Sep 11 04:36 ..
drwxr-xr-x  2 root root 4096 Sep 24 12:58 boot
drwxr-xr-x  2 root root 4096 Sep 24 12:58 root

Mounting FAT partion as boot...

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mount /dev/sda1 /mnt/boot

Mounting root (Unix Ext4)

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mount -t ext4 /dev/sda2 /mnt/root

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df -h 
...
/dev/sda2       1.8G  1.2G  447M  74% /mnt/root
/dev/sda1        56M   36M   21M  63% /mnt/boot