Privacy

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Local Area FTP (lemmy.ml)

submitted 14 hours ago by [email protected] to c/[email protected]

9 comments fedilink hide all child comments

Hey everyone, I hope you are well.

I recently purchased a TP-Link Archer C7 from a thrift store for 4 dollars and converted it into a pineapple router using a firmware build that someone made based on Open-WRT for testing and educational purposes, and it it has raised a few other thoughts and interests.

I have two questions.

Is anyone aware of a software available through F-Droid or otherwise which can be used to turn a phone into a temporary access point serving FTP for file sharing purposes? I think it would be handy to be able to share files to several people in proximity and I would imagine turning a phone into a mobile FTP AP would be something that has been done. If anyone is aware of any such project, I would be highly interested.
For running such a thing whether it be through a phone or a router, is anyone aware of a mobile power source which can fit in a backpack easily and power a 12 volt 1.5 amp router for ~10 hours?

I would love to be able to have the ability to basically have a backpack that acts as a mobile NAS that serves FTP/SFTP.

Thanks.

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[–] [email protected] 5 points 7 hours ago

1.5 A for 10 h is 15000 mAh, at 12V. Current powerbanks can do that. Here is a redmi one, specs says it can do that, 20000 mAh, 12V is the maximum: https://www.mi.com/global/product/20000mah-redmi-fast-charge-power-bank/specs

Buy an usb-pd 12V cable, one end of the cable is type c, the other end is standard dc coax. The cable has a chip inside, so it will always ask for 12V from the power source, it's like 5 USD, I have one for a similar usecase, works perfectly. They work only if the source can send the required voltage, if a powerbank can only send 5V or 9V it cant convert it up to 12.

It should look something like this, make sure the voltage is correct before buying:

[–] [email protected] 14 points 14 hours ago (1 children)

I read this, thought "that's gotta be something you can do in Termux", searched it, and sure enough; that's something you can do in Termux.

[–] [email protected] 9 points 13 hours ago

Awesome! This is just what I was looking for! Thanks!

[–] [email protected] 7 points 14 hours ago* (last edited 14 hours ago) (2 children)

Honestly sounds like a job for a Raspberry Pi Zero.
Small battery pack and a USB key, a bit of software setup, off you go.

Install Raspbian: https://www.raspberrypi.com/documentation/computers/getting-started.html#raspberry-pi-imager

Set it up as a hotspot:
https://www.raspberrypi.com/documentation/computers/configuration.html#enable-hotspot

Configure Samba share:
https://www.raspberrypi.com/documentation/computers/remote-access.html#samba

[–] [email protected] 9 points 13 hours ago

Wonderful suggestion, I have an older raspberry pi and a libre sweet potato and i know i could achieve this with those, but I was hoping there was a project out there that would let anyone with a phone do it! I think this would be an excellent way to get people interested in torrent and libre software, because if someone shows up to a location and all it takes is attaching to a wifi access point and then downloading files, it feels very simple and easy to become engaged with it.

Thank you nonetheless though, I think this is wonderful suggestion!

[–] [email protected] 7 points 14 hours ago

and if you want to go even cheaper get an esp32 board with an sd card slot (i like the tdongle from lilygo) and it can just serve yhe sdcard files meow

[–] [email protected] 6 points 14 hours ago (1 children)

Car battery works.

[–] [email protected] 5 points 13 hours ago (1 children)

True, they are typically 12 volt aren't they!

I just took mine out of my car for an unrelated issue haha, totally valid suggestion!

[–] [email protected] 6 points 12 hours ago

They make little ones for stuff like motorcycles and tractors. Just make sure it’s 12v, because atv batteries are 6v I think.