26 lines
1014 B
Markdown
26 lines
1014 B
Markdown
<!--# set var="title" value="Flashing without Microsoft or floppy drives" -->
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<!--# set var="date" value="2006-01-22" -->
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<!--# include file="include/top.html" -->
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Ran into an issue where we had to flash upgrade some firmware in a server. As usual, firmware downloads came as MS-DOS programs, and told you to put them on a bootable DOS floppy disk and boot from it. This is becoming a real pain in the ass — who actually uses that Microsoft crap anymore? :) Also, what server has a floppy drive?
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So, we improvise. Grab this [FreeDOS boot disk](files/boot.img). Mount in Linux:
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sudo mount -o loop boot.img /mnt
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Copy whatever files were provided by the vendor (hint: unzip handles most Windows self-extracting .exe’s) into /mnt.
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sudo umount /mnt
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Build a CD image:
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mkdir cdimage
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mkdir cdimage/boot
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cp boot.img cdimage/boot
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mkisofs -r -b boot/boot.img -c boot/boot.catalog -o cdimage.iso cdimage
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Then burn with your favorite CD burning program. Presto!
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