Debian Installation: Getting Past the Grub Error.

This post is for people who install Debian GNU/Linux and run into this error at the GRUB installation step: Executing 'grub-install /dev/sda' failed. This is a fatal error ... Solution: remove the USB stick from which you are installing Debian. Right now it's /dev/sda and the target hard drive you're trying to install to is /dev/sdb (during the installation process only). This has bitten me more than once. Yes, seriously: the Debian installer apparently can't figure out on its own that most likely the place you want to install the boot loader is on the huuuuuuuuge hard...
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