[kwlug-disc] Odd situation when booting from live image

Khalid Baheyeldin kb at 2bits.com
Thu Aug 7 14:02:23 EDT 2025


On Thu, Aug 7, 2025 at 1:38 PM William Park via kwlug-disc <
kwlug-disc at kwlug.org> wrote:

> For those trying something similar...
>
> - You will get better throughput, if you connect the 2 laptops directly.
>   My router is supposed to be "gigabit" switch, but I never get Gbps.
>

There are other things in the pipeline that will slow things down no matter
what.
That includes reading the disk, and writing to the other disk.

Try dd if=/dev/zero on source laptop, and of=/dev/null on the destination.
I am guessing it will be faster.

Curious how you connected them directly?
Ethernet cable? In that case, you have to configure IP addresses, and
routing
manually.

- If laptops only have WiFi (most "new" laptops), then it helps to use
> separate bands to get full-duplex, eg. one using 2.4GHz, and another 5GHz.
>

My new (to me) laptop is WiFi only.
Got a USB to Ethernet dongle from KW Surplus for $8.99.
Worked well.
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