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ISOs Explained + four programs to make Linux boot media
(makertube.net)
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this post was submitted on 09 Aug 2024
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dd, or cat with a shell redirect are all you need to write that iso.
My trouble with dd is all the flags I need to remember to make it fast and more convenient.
dd if=file of=/dev/device oflag=direct status=progress bs=1Mis there anything I'm missing?This part varies based on your hardware (my hardware is much faster with a value of 4096) , but other than that it's everything.
Here is a handy script that can help determine which bs size is best for your hardware.
Neat! I'll have to try that out.
I think you might mean 4096.
Yes, I do! Thanks!
dd can be soooo much faster too. But like you, I always forget the tags. I should make an alias sometime...
What does this do?
Prevents the writes from piling up in the cache. dd will report the transfer is done when the writes have been cached so this setting prevents dd from exiting until the data has been written completely to the block device.
Use
conv=fsyncThis ensures the cache is written before dd exits, but doesn't necessarily write to disk directly. This means that, for small files, dd can finish release its hold on the input file quicker
The video description says it's aimed at Windows users, dd and cat have no power there