4 hours ago
5
personal tech
Like AirDrop, minus the Apple lock-in
FOSS It happens all the time. You have a file on one of your devices and you need to have it on another one. You could put the file on a USB flash drive and walk it over (the so-called sneakernet), you could email it to yourself, or you could try to set up some kind of network resource. LocalSend, a free open source tool, makes the process of sharing files on a LAN easier than anything else and it works on Windows, Linux, macOS, Android, and more.
The Reg FOSS desk is not routinely a fan of Apple fondleslabs. (We’ve tried, but they’re a bit too locked down for us.) Saying that, from what we’ve heard, LocalSend is a bit like Apple’s AirDrop but for grown-up computers and non-Apple kit. For Linux Mint users, it’s a bit like the included Warpinator – and as that page says, don’t search for it and go to warpinator.com, as it’s a fake site.
It’s a free download from its GitHub page and is also available in Canonical’s Snap store and on Flathub. You run it, and it gives that computer a cute nickname in the form of (adjective)+(fruit). Run it on two computers on the same local network, and they should see each other. You click “send” on one, and “receive” on the other, and that’s about it: pick the file or folder, and off it goes. LocalSend isn’t very big – the installation packages are mostly around the 15 MB mark – so it’s pretty fast to download or install.
LocalSend on macOS 12 – but it looks pretty much identical on Windows and Linux, too.
This vulture found and tried it when we downloaded a just-over-4 GB file and then worked out we’d downloaded it onto the wrong OS on the wrong machine. It takes a good few minutes to download several gigabytes – we live on a small, remote island, where our 100 Mbps broadband costs about four times what 1 Gbps broadband used to cost in Czechia – and it seemed worth trying to transfer it rather than grab another copy.
The gist of the idea is that LocalSend is quicker than using a USB key. You know the sort of process: find a big enough USB key, check it has space, copy the file onto it, eject it, go to the other machine, insert it, and copy the file off again. Even if it goes perfectly, LocalSend is still less hassle. It’s also easier than configuring some kind of temporary folder-sharing setup between different OSes on different computers with different login names. (The Irish Sea wing of Vulture Towers recently moved house and has yet to finalize his office layout and reconnect his NAS servers. It’s climbing to the top of the to-do list, though.)
LocalSend is also available on both the iOS App Store and Google Play Store, so it can help for devices that you can’t readily plug a USB key into. The transfer happens across your local network, so it won’t use up bandwidth on metered internet connections, and will even work if your internet connection is down.
Warpinator is Mint’s solution – but in our case, we initially needed to move the file from Windows to macOS. Both have ports of Warpinator, but both seem unofficial, and while the machines could see one another, file transfers failed.
We’ve also tried SyncThing, but it’s not good at keeping machines in sync when they’re rarely on at the same time – and we’ve had problems with it recursively duplicating directory trees into themselves so deeply that no GUI tool could delete them. Ideally, you should have an always-on home server that also runs SyncThing – and if you have one of those, then for one-off file transfers, you don’t really need SyncThing: just copy it to the server, and off again.
LocalSend just worked, and for us, it worked identically whether either end was running Windows, Linux, or macOS. We couldn’t ask for more. ®
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