• Question About Free File Transfering Apps

    From Carter Zhang@21:1/5 to All on Wed May 29 16:10:01 2024
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    Are there any free apps for GNU/Linux and Android to share files over LAN? There have already been LocalSend, LanXchange, LANDrop, NitroShare, Sharik, Warpinator, TrebleShot, but they have respective problems.
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    <!DOCTYPE html><html><body><div dir="auto">Are there any free apps for GNU/Linux and Android to share files over LAN? There have already been LocalSend, LanXchange, LANDrop, NitroShare, Sharik, Warpinator, TrebleShot, but they have respective problems. </
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  • From eben@gmx.us@21:1/5 to Carter Zhang on Wed May 29 16:40:01 2024
    On 5/29/24 10:07, Carter Zhang wrote:
    Are there any free apps for GNU/Linux and Android to share files over LAN? There have already been LocalSend, LanXchange, LANDrop, NitroShare, Sharik, Warpinator, TrebleShot, but they have respective problems.

    scp / sshd
    nc, but you don't get authentication _or_ encryption

    --
    You can't get a leopard to change his spots... You can explain it care-
    fully to the leopard, but it will just sit there lookng at you, knowing
    that you are made of meat. After a while it will perhaps kill you.
    Geoffrey Pullum, Language Log (2007-01-04)

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  • From Dan Ritter@21:1/5 to Carter Zhang on Wed May 29 16:40:01 2024
    Carter Zhang wrote:
    Are there any free apps for GNU/Linux and Android to share files over LAN? There have already been LocalSend, LanXchange, LANDrop, NitroShare, Sharik, Warpinator, TrebleShot, but they have respective problems.


    On the Debian side, options include:

    - SFTP and SCP via SSH
    - SMB via samba
    - NFS v3 and v4
    - various DAV implementations
    - SyncThing
    - and, although the server is not currently packaged, NextCloud
    is reasonably easy to get up and running on Debian stable.

    All of these have clients of various kinds on Android and other
    systems.

    -dsr-

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  • From Hans@21:1/5 to All on Wed May 29 16:50:01 2024
    rsync - which is biderectional and uses checksums for correct transfer.

    Best

    Hans

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  • From Curt@21:1/5 to Carter Zhang on Wed May 29 17:00:01 2024
    On 2024-05-29, Carter Zhang <mcut17198@autistici.org> wrote:

    Are there any free apps for GNU/Linux and Android to share files over LAN? There have already been LocalSend, LanXchange, LANDrop, NitroShare, Sharik
    Warpinator, TrebleShot, but they have respective problems=2E

    I just go to https://pairdrop.net/ on the both devices on the land for
    the occasional file transfer.

    Newsgroups: gmane.linux.debian.user
    From: Curt <curty@free.fr>
    Subject: Re: Question About Free File Transfering Apps
    References: <8D2A6E13-9F36-47ED-A2E4-7543B17014A5@autistici.org>
    Organization: Unorganized
    Followup-To:

    On 2024-05-29, Carter Zhang <mcut17198@autistici.org> wrote:

    Are there any free apps for GNU/Linux and Android to share files over
    LAN?
    There have already been LocalSend, LanXchange, LANDrop, NitroShare,
    Sharik
    Warpinator, TrebleShot, but they have respective problems=2E

    I travel to https://pairdrop.net/ on both devices on the LAN for
    the occasional file transfer. There is an Android app, although you
    don't need one (merely a browser).

    https://github.com/schlagmichdoch/pairdrop/blob/master/docs/faq.md

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  • From Charles Curley@21:1/5 to Carter Zhang on Wed May 29 18:50:02 2024
    On Wed, 29 May 2024 22:07:17 +0800
    Carter Zhang <mcut17198@autistici.org> wrote:

    but they have respective problems.

    We can't advise you very well if we don't know what you think their
    respective problems are.

    A more important question: What problem would you like to solve?

    --
    Does anybody read signatures any more?

    https://charlescurley.com
    https://charlescurley.com/blog/

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  • From Andy Smith@21:1/5 to Carter Zhang on Wed May 29 23:10:01 2024
    Hi,

    On Wed, May 29, 2024 at 10:07:17PM +0800, Carter Zhang wrote:
    Are there any free apps for GNU/Linux and Android to share files
    over LAN? There have already been LocalSend, LanXchange, LANDrop,
    NitroShare, Sharik, Warpinator, TrebleShot, but they have
    respective problems.

    Your post is woefully short of details.

    Which of the above did you like best, despite it not being
    sufficient? What was deficient about it?

    No one can easily answer your question without knowing what your
    requirements are and what problems you faced with the above
    solutions.

    Depending on what your needs are, the answer is possibly, "not that
    we know of."

    Thanks,
    Andy

    --
    https://bitfolk.com/ -- No-nonsense VPS hosting

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  • From gene heskett@21:1/5 to Monte Milanuk on Thu May 30 05:10:01 2024
    On 5/29/24 13:34, Monte Milanuk wrote:
    SyncThing

    On 5/29/24 07:07, Carter Zhang wrote:
    Are there any free apps for GNU/Linux and Android to share files over
    LAN? There have already been LocalSend, LanXchange, LANDrop,
    NitroShare, Sharik, Warpinator, TrebleShot, but they have respective
    problems.


    So does sshfs, but its free, and it just works. I regularly move <1 to
    60 gigabyte gcode files to my printers with it. The occasional 30 to 60
    gigger gets moved to a pi clone over cat5-6 in 2 to 4 seconds. I don't
    know why folks think they have to have an ap for something so simple as
    moving a file. sshfs mounts the target device as if its a storage disk.
    But since its ssh based, its also encrypted, making it relatively safe
    from wifi snoopers. rsync operates much the same but uses checksums to
    verify the copy is verbatum.

    Cheers, Gene Heskett, CET.
    --
    "There are four boxes to be used in defense of liberty:
    soap, ballot, jury, and ammo. Please use in that order."
    -Ed Howdershelt (Author, 1940)
    If we desire respect for the law, we must first make the law respectable.
    - Louis D. Brandeis

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  • From Anssi Saari@21:1/5 to Carter Zhang on Thu May 30 11:10:01 2024
    Carter Zhang <mcut17198@autistici.org> writes:

    Are there any free apps for GNU/Linux and Android to share files over LAN? There have already been LocalSend, LanXchange,
    LANDrop, NitroShare, Sharik, Warpinator, TrebleShot, but they have respective problems.

    I'd like to know too, assuming you're asking for transferring files
    between Android and Linux.

    I'd like Quick Share support in Linux as it's built into Android and
    available for Windows. Someone has an early version at https://github.com/Martichou/rquickshare but I only got it working one
    way, Linux PC to phone and even that needed disabling the firewall on
    the PC. But maybe that'll improve.

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  • From Anssi Saari@21:1/5 to Richard on Thu May 30 14:30:01 2024
    Richard <rrosner5@gmail.com> writes:

    There have already been many answers. And since it's highly unlikely any third party will include support for such a
    closed down system, you might want to look at them. At least I don't think Google will suddenly open source Nearby Share
    for everyone to write clients for it.

    Wow. I already mentioned an open source client? What's your point?

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  • From eben@gmx.us@21:1/5 to mick.crane on Fri May 31 02:40:01 2024
    On 5/30/24 20:08, mick.crane wrote:
    On 2024-05-29 15:07, Carter Zhang wrote:
    Are there any free apps for GNU/Linux and Android to share files over
    LAN? There have already been LocalSend, LanXchange, LANDrop,
    NitroShare, Sharik, Warpinator, TrebleShot, but they have respective
    problems.

     I don't know if sshfs would have issues with more than one connection.

    You mean two different machines using sshfs to the same server? I don't see why it would. It's vanilla SSH to the outside world and ssh works just fine when multiple users log in.

    --
    Perhaps this final act was meant / to clinch a lifetime's argument
    That nothing comes from violence and nothing ever could
    Fr all thse born bneath an angry star / Lest we frget hw fragile we are
    -- Sting, "Fragile" from _... Nothing Like the Sun_

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  • From Carter Zhang@21:1/5 to Richard on Fri May 31 05:00:01 2024
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    Dear Richard,

    Thank you for your reply. LocalSend, LanXchange, LANDrop, NitroShare, Sharik, Warpinator, TrebleShot have their respective problems.

    LocalSend is not available in Debian's and Trisquel's official repositories, and it is not so convenient to complie it from source using a machine with a memory of 8GB.

    LanXchange is not available in Debian's and Trisquel's official repositories, source as well, and its source complication on my machine fails.

    The Android client for LANDrop is not libre.

    NitroShare, Sharik, Warpinator and TrebleShot are all no longer updated and the latest version of them cannot be complied on modern GNU/Linux environment.

    In addition, KDE Connect sometimes disconnects and cannot reconnect.

    Yours,
    Carter

    On May 29, 2024 10:56:02 PM GMT+08:00, Richard <rrosner5@gmail.com> wrote:
    KDE connect? That has clients for many systems.

    But the question is, what's the issue with the existing solutions? It's
    quite a useless task to recommend file transfer apps when they all have the >same issue you try to avoid.

    Richard

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    <html><head></head><body><div dir="auto">Dear Richard,<br><br>Thank you for your reply. LocalSend, LanXchange, LANDrop, NitroShare, Sharik, Warpinator, TrebleShot have their respective problems.<br><br>LocalSend is not available in Debian's and Trisquel'
    s official repositories, and it is not so convenient to complie it from source using a machine with a memory of 8GB.<br><br>LanXchange is not available in Debian's and Trisquel's official repositories, source as well, and its source complication on my
    machine fails.<br><br>The Android client for LANDrop is not libre.<br><br>NitroShare, Sharik, Warpinator and TrebleShot are all no longer updated and the latest version of them cannot be complied on modern GNU/Linux environment.<br><br>In addition, KDE
    Connect sometimes disconnects and cannot reconnect.<br><br>Yours,<br>Carter</div><br><br><div class="gmail_quote"><div dir="auto">On May 29, 2024 10:56:02 PM GMT+08:00, Richard &lt;rrosner5@gmail.com&gt; wrote:</div><blockquote class="gmail_quote" style="
    margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
    <div dir="ltr"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">KDE connect? That has clients for many systems.</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></
    <div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">But the question is, what's the issue with the existing solutions? It's quite a useless task to recommend file transfer apps when they all have the same issue
    you try to avoid.</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">Richard</div></div>
    </blockquote></div></body></html>
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  • From eben@gmx.us@21:1/5 to Carter Zhang on Fri May 31 05:00:01 2024
    On 5/30/24 22:46, Carter Zhang wrote:
    Dear Dan,

    Thanks a lot for your reply but I am not clear how to use SFTP, SCP or
    NFS on Android. Could you please show me how? Any help will be
    appreciated.

    (lines wrapped)

    SFTP / SCP:

    https://ic.pics.livejournal.com/pushpitha/50334853/1538653/1538653_800.jpg

    NFS: it's not simple.

    --
    Answer: two spoonfuls in my cup, please.
    Question: how much should I use? (why top-posting is bad)
    http://www.fscked.co.uk/writing/top-posting-cuss.html

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  • From gene heskett@21:1/5 to mick.crane on Fri May 31 15:00:01 2024
    On 5/30/24 20:09, mick.crane wrote:
    On 2024-05-29 15:07, Carter Zhang wrote:
    Are there any free apps for GNU/Linux and Android to share files over
    LAN? There have already been LocalSend, LanXchange, LANDrop,
    NitroShare, Sharik, Warpinator, TrebleShot, but they have respective
    problems.

     I don't know if sshfs would have issues with more than one connection. mick

    It does not, I have open sessions to 6 other machines here,
    possability's of up to 10 if all are turned on.
    .

    Cheers, Gene Heskett, CET.
    --
    "There are four boxes to be used in defense of liberty:
    soap, ballot, jury, and ammo. Please use in that order."
    -Ed Howdershelt (Author, 1940)
    If we desire respect for the law, we must first make the law respectable.
    - Louis D. Brandeis

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  • From Greg Wooledge@21:1/5 to gene heskett on Fri May 31 15:20:02 2024
    On Fri, May 31, 2024 at 08:58:34AM -0400, gene heskett wrote:
    On 5/30/24 20:09, mick.crane wrote:
    On 2024-05-29 15:07, Carter Zhang wrote:
    Are there any free apps for GNU/Linux and Android to share files over LAN? There have already been LocalSend, LanXchange, LANDrop,
    NitroShare, Sharik, Warpinator, TrebleShot, but they have respective problems.

     I don't know if sshfs would have issues with more than one connection. mick

    It does not, I have open sessions to 6 other machines here, possability's of up to 10 if all are turned on.
    .

    I interpreted mick's sentence to mean multiple connections between the
    same two computers, or perhaps multiple clients all connecting to a
    single server. A single client connecting to multiple servers was never
    in question, at least in my mind.

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  • From tomas@tuxteam.de@21:1/5 to mick.crane on Fri May 31 18:50:01 2024
    On Fri, May 31, 2024 at 05:30:19PM +0100, mick.crane wrote:

    [...]

    I only drag stuff in and out of the directory in Thunar. Dragging from the directory takes a copy. I wondered what would happen if somebody deleted a file while you were half way through fetching it.

    This will depend on the precise values you assign to "you" and "fetch". And,
    of course to "delete".

    Cheers
    --
    t

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  • From Greg Wooledge@21:1/5 to mick.crane on Fri May 31 19:20:01 2024
    On Fri, May 31, 2024 at 05:30:19PM +0100, mick.crane wrote:
    I only drag stuff in and out of the directory in Thunar. Dragging from the directory takes a copy. I wondered what would happen if somebody deleted a file while you were half way through fetching it.

    If you're copying a file, that means some process has the file opened.

    Removing (unlinking) a file that's opened causes it to vanish from the
    raw directory, but the inode and the blocks of data are left alone until
    all processes have closed it. Only then will it be marked for recyling.

    You'll just have to hope that the (remote) copy succeeds on the first
    try, because once the remote reader loses connection, if the file is
    closed on the server, it's gone.

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  • From tomas@tuxteam.de@21:1/5 to Greg Wooledge on Fri May 31 20:00:01 2024
    On Fri, May 31, 2024 at 01:16:28PM -0400, Greg Wooledge wrote:
    On Fri, May 31, 2024 at 05:30:19PM +0100, mick.crane wrote:
    I only drag stuff in and out of the directory in Thunar. Dragging from the directory takes a copy. I wondered what would happen if somebody deleted a file while you were half way through fetching it.

    If you're copying a file, that means some process has the file opened.

    (that's what I meant with "the meaning of fetch". Is it the drag
    process by the user? Then the file is not yet open -- and nothing
    will be copied. Is it the actual copy? Then your description is
    the most accurate one)

    Removing (unlinking) a file that's opened causes it to vanish from the
    raw directory, but the inode and the blocks of data are left alone until
    all processes have closed it. Only then will it be marked for recyling.

    You'll just have to hope that the (remote) copy succeeds on the first
    try, because once the remote reader loses connection, if the file is
    closed on the server, it's gone.

    Cheers
    --
    t

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  • From David Wright@21:1/5 to mick.crane on Sat Jun 1 04:40:01 2024
    On Fri 31 May 2024 at 17:30:19 (+0100), mick.crane wrote:
    On 2024-05-31 13:58, gene heskett wrote:
    On 5/30/24 20:09, mick.crane wrote:
    On 2024-05-29 15:07, Carter Zhang wrote:
    Are there any free apps for GNU/Linux and Android to share files over LAN? There have already been LocalSend, LanXchange, LANDrop, NitroShare, Sharik, Warpinator, TrebleShot, but they have respective problems.

     I don't know if sshfs would have issues with more than one
    connection.

    It does not, I have open sessions to 6 other machines here,
    possability's of up to 10 if all are turned on.

    AFAICT from your posts Gene, you are the sole user on your LAN,
    so "sharing files" takes on a particular meaning.

    I only drag stuff in and out of the directory in Thunar. Dragging from
    the directory takes a copy. I wondered what would happen if somebody
    deleted a file while you were half way through fetching it.

    AIUI you get a race. So unless you elaborate on who the potential
    agents are on your LAN (spouse, kids, kids mates), I don't think
    sshfs would be an appropriate choice, and neither does an author
    of the wikipedia page:

    "SSHFS is an alternative to those protocols [A(pple)FP, NFS, SMB]
    only in situations where users are confident that files and
    directories will not be targeted for writing by another user,
    at the same time."

    Cheers,
    David.

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  • From gene heskett@21:1/5 to David Wright on Sat Jun 1 11:30:02 2024
    On 5/31/24 22:37, David Wright wrote:
    On Fri 31 May 2024 at 17:30:19 (+0100), mick.crane wrote:
    On 2024-05-31 13:58, gene heskett wrote:
    On 5/30/24 20:09, mick.crane wrote:
    On 2024-05-29 15:07, Carter Zhang wrote:
    Are there any free apps for GNU/Linux and Android to share files over >>>>> LAN? There have already been LocalSend, LanXchange, LANDrop,
    NitroShare, Sharik, Warpinator, TrebleShot, but they have respective >>>>> problems.

     I don't know if sshfs would have issues with more than one
    connection.

    It does not, I have open sessions to 6 other machines here,
    possability's of up to 10 if all are turned on.

    AFAICT from your posts Gene, you are the sole user on your LAN,
    so "sharing files" takes on a particular meaning.

    I only drag stuff in and out of the directory in Thunar. Dragging from
    the directory takes a copy. I wondered what would happen if somebody
    deleted a file while you were half way through fetching it.

    AIUI you get a race. So unless you elaborate on who the potential
    agents are on your LAN (spouse, kids, kids mates), I don't think
    sshfs would be an appropriate choice, and neither does an author
    of the wikipedia page:

    "SSHFS is an alternative to those protocols [A(pple)FP, NFS, SMB]
    only in situations where users are confident that files and
    directories will not be targeted for writing by another user,
    at the same time."

    Well, since I'm alone, my wife passed 3.5 years back, and was not
    computer literate, its my show. And sshfs Just Works. I use this machine
    as the src for my output for some 3d printers, although the 4 linuxcnc
    machines are largely standalone in that the gcode I run on them was all
    written by me on that machine.. I often have more than one login session
    to a given machine because that machine may also be its own buildbot.
    Every machine has access to the world, but its all hidden behind a
    dd-wrt running router doing the NAT. I don't have to fight with
    samba/cifs and its daily updates to keep it working, permissions are
    100% linux, nor do I fool with nfs and its weekly updates that always
    break it.

    But age is playing a role too, I have short term memory problems.
    Perhaps because of my age, I'll be 90 in October if I don't fall over first.

    The only dis to ssh and friends has been the local key files and keeping
    them up to date. That's very minor, its probably been a year since a new install on one of my pi clones had me hunting down an aging key file.
    Nothing like this broken bookworm install, its far more annoyance than
    any of the other problems. I'll miss morning roll call, and disappear
    soon enough and then it will be a bit more peaceful here.

    In the meantime, everybody take care and stay well. You are my
    connection to the rest of the world.

    Cheers,
    David.

    Cheers, Gene Heskett, CET.
    --
    "There are four boxes to be used in defense of liberty:
    soap, ballot, jury, and ammo. Please use in that order."
    -Ed Howdershelt (Author, 1940)
    If we desire respect for the law, we must first make the law respectable.
    - Louis D. Brandeis

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  • From Dan Ritter@21:1/5 to Michael Grant on Sat Jun 1 13:10:01 2024
    Michael Grant wrote:
    I have long been plagued by the problem if sitting in a room or on a boat with someone, 2 devices right next to one another, and no trivially easy way to send a file from one device to the other without say first uploading it
    to some mutual third party (e.g. whatsapp).

    ...

    To this day, I have yet ever to see an easy way to share a file between 2 devices without full internet connectivity, except by say getting one to run an ftp or ssh server and ftp or ssh'ing over the file between local ip addrs (e.g. 192.168.x.y). I'd love to know some well know good, not-evil, open source app that runs on all the platforms that I could tell people to
    install to send them a file without using the internet. I can't really see any technical reason such an thing couldn't work, say over bluetooth or
    local IPs and maybe it does exist, I've just never run across such a thing. The key word here is EASY. I can't be hacking someone's phone for an hour just to transfer them a file.

    The web browser technology called WebRTC does that quite well,
    but for security reasons -- nobody wants a self-perpetuating
    worm -- you need an intermediary device to introduce the two
    participants but not to actually transfer the file.

    And so there is snapdrop.net, which you can choose to trust or
    you can run your own copy -- it's GPL3. Works between any two
    devices that run modern web browsers, including iPhones,
    Androids, Linux, Windows, Macs...

    There are bluetooth solutions between Linux and Android and
    Windows, but Apple does not allow bluetooth file transfer from
    or to IOS with any operating systems they don't control.

    -dsr-

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  • From Joe@21:1/5 to Michael Grant on Sat Jun 1 16:10:01 2024
    On Sat, 01 Jun 2024 10:06:43 +0000
    "Michael Grant" <mgrant@grant.org> wrote:



    To this day, I have yet ever to see an easy way to share a file
    between 2 devices without full internet connectivity, except by say
    getting one to run an ftp or ssh server and ftp or ssh'ing over the
    file between local ip addrs (e.g. 192.168.x.y). I'd love to know
    some well know good, not-evil, open source app that runs on all the
    platforms that I could tell people to install to send them a file
    without using the internet. I can't really see any technical reason
    such an thing couldn't work, say over bluetooth or local IPs and
    maybe it does exist, I've just never run across such a thing. The
    key word here is EASY. I can't be hacking someone's phone for an
    hour just to transfer them a file.

    Michael Grant


    a. I know nothing about iOS
    b. I don't know if this will help

    I have an Android phone. If I plug its micro USB charge/data connection
    into my desktop's USB port, two entries appear on 'Device' in Thunar.
    Pictures (only) can be transferred.

    If I pull down the Android status menu and select the USB entry, then
    tap for more options, then select file transfer. one of the Device
    entries disappears and the other shows various directories. Files
    of other kinds can be transferred to and from my workstation's
    directories by copy and paste, and presumably by drag and drop. No
    additional software is required on the phone.

    Two Android devices plugged into something portable, such as a netbook
    or Raspberry Pi could presumably transfer files fairly easily. I've
    never needed to do it, so I haven't actually tried it between mobiles,
    but I use one phone this way to transfer files to and from my network,
    which is quicker than emailing them. I don't know what the earliest
    version of Android with this ability is. Update: Google says Android 9.
    There is a Mac app to do it, Windows and Linux machines including
    Chromebook do it natively.

    Maybe more ideas here: https://www.grover.com/blog/en/7-ways-android-data-transfer https://support.apple.com/en-gb/guide/iphone/iph3ea029318/17.0/ios/17.0


    --
    Joe

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  • From gene heskett@21:1/5 to Michael Grant on Sat Jun 1 22:30:01 2024
    On 6/1/24 06:07, Michael Grant wrote:
    I use sshfs, works great to let me drop files on my server from my
    desktop. But I wouldn't call that "file sharing".  I probably would call that a "network disk" or "remote mount".

    There's probably some formal definition out there, but when I think of
    file sharing, I think of someone proffering up a single file (or folder)
    and sharing it point-to-point with one or some small group of people.

    I have long been plagued by the problem if sitting in a room or on a
    boat with someone, 2 devices right next to one another, and no trivially
    easy way to send a file from one device to the other without say first uploading it to some mutual third party (e.g. whatsapp).

    sshfs isn't going to let you share files between say 2 phones, at least,
    not very easily if at all.

    By recommendation further up in this thread, I tried Google's Quick
    Share between my wife's phone and my phone.  Followed all the
    instructions, did not work.  Followed all the troubleshooting instructions.  Nope, my device doesn't appear on her phone when I share,
    and neither the other way around.  Searched the web, found a ton of
    people with same issue.  It's DoA I'm afraid.

    Between family members, we have in the past shared files using a
    synology box and their Drive app.  It works just like Dropbox except
    file is on your own infra.  It's not open source though and I don't know
    how tied it actually is to Synology's infra.  One certainly needs to be
    on the net to use it.

    To this day, I have yet ever to see an easy way to share a file between
    2 devices without full internet connectivity, except by say getting one
    to run an ftp or ssh server and ftp or ssh'ing over the file between
    local ip addrs (e.g. 192.168.x.y).  I'd love to know some well know
    good, not-evil, open source app that runs on all the platforms that I
    could tell people to install to send them a file without using the internet.  I can't really see any technical reason such an thing
    couldn't work, say over bluetooth or local IPs and maybe it does exist,
    I've just never run across such a thing.  The key word here is EASY.  I can't be hacking someone's phone for an hour just to transfer them a file.

    Michael Grant

    The keyword with a "phone" as you refer to that handheld computer, is
    locked in service. Just one of the reasons I only have an expired
    wallmart flip phone that hasn't been renewed in 4 or 5 years. If I'm
    going on a long trip where a vehicle problem might need a fone to yell
    for help, I'll go see what wally has today. Until then its a nuisance,
    with every scammer on the planet calling you up at dinner time or in the
    middle of taking care of your horizontal homework. Amazons BIG red
    button has blocked 255 such scammers so far.

    .

    Cheers, Gene Heskett, CET.
    --
    "There are four boxes to be used in defense of liberty:
    soap, ballot, jury, and ammo. Please use in that order."
    -Ed Howdershelt (Author, 1940)
    If we desire respect for the law, we must first make the law respectable.
    - Louis D. Brandeis

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