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Thread: KDEConnect

  1. #1
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    Default KDEConnect

    Hi folks, I need a way to quickly transfer files to my phone. After much trials, I installed KDEconnect. It works... sort of! Drag-dropping a file in Dolphin takes FOREVER and renders the pc useless whilst doing it! For instance, downloading a 3 hour radio show from t'interwebs takes less than two minutes... sending it to my phone takes approx an hour !! This can't be right surely? Does KDE connect work well for others? If not is there a better way to load my phone with radio goodness without occupying my PC's (and my) whole life?
    I guess I could take the SD card out of the phone and put it in a card reader. But that seems prehistoric!

    My phone is currently not 'rooted' but I guess I could do that and then.........

    ssh or something 'techy' ??

    I tried using cli and cp the files. Which sort of worked, but slowly and with no 'progress reports'
    I also tried grsync, but it did not 'see' the target/destination folders.

    Tumbleweed/KDE/Ati Radeon R9 270/AMD FX-6300/8Gb DDR3

  2. #2
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    Default Re: KDEConnect

    Quote Originally Posted by wakou View Post
    Does KDE connect work well for others?
    KDE Connect works well here, but file transfer may not be the best use case. It is a bit slow for bigger jobs. I use FTP or ssh for that. May be somthing else going on, so best wait for more qualified 'technical' advice.

  3. #3
    Join Date
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    Default Re: KDEConnect

    Quote Originally Posted by wakou View Post
    Hi folks, I need a way to quickly transfer files to my phone. After much trials, I installed KDEconnect. It works... sort of! Drag-dropping a file in Dolphin takes FOREVER and renders the pc useless whilst doing it! For instance, downloading a 3 hour radio show from t'interwebs takes less than two minutes... sending it to my phone takes approx an hour !! This can't be right surely? Does KDE connect work well for others? If not is there a better way to load my phone with radio goodness without occupying my PC's (and my) whole life?
    I guess I could take the SD card out of the phone and put it in a card reader. But that seems prehistoric!

    My phone is currently not 'rooted' but I guess I could do that and then.........

    ssh or something 'techy' ??

    I tried using cli and cp the files. Which sort of worked, but slowly and with no 'progress reports'
    I also tried grsync, but it did not 'see' the target/destination folders.
    did you maybe use bluetooth instead of wifi for the connection
    what's your wifi protocol are you using the old 802.11b even that at 11Mbps shuldn't take hours

    rooting has no effect on kdeconnect

  4. #4
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    Default Re: KDEConnect

    I have only used KDE Connect with a USB cable connection, and it worked fine.

    There is also a "KDE Connect" app for Android.
    ~Thank you for sharing an interesting problem.
    --
    slàinte mhath,
    rayH

  5. #5

    Default Re: KDEConnect

    Quote Originally Posted by Tallowwood View Post
    KDE Connect works well here, but file transfer may not be the best use case. It is a bit slow for bigger jobs. I use FTP or ssh for that. May be somthing else going on, so best wait for more qualified 'technical' advice.
    many thanks, I confirm the slow kdeconnect in transfer file with dolphin, ...I thought the guilty was dolphin becouse the slow was during the selection of many files to transfere and when I drag the many files and drop on a dolphin tab, it takes a lot of time to show the popup window "copy here or move here or link here", so I'll continue to use ftpserver

  6. #6
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    Default Re: KDEConnect

    Quote Originally Posted by pier_andreit View Post
    many thanks, I confirm the slow kdeconnect in transfer file with dolphin, ...I thought the guilty was dolphin becouse the slow was during the selection of many files to transfere and when I drag the many files and drop on a dolphin tab, it takes a lot of time to show the popup window "copy here or move here or link here", so I'll continue to use ftpserver
    I'm on LEAP and KdeConnect is extremely fast I get full wi-fi speeds (~300MBps) which is a lot faster then my internet
    I have noticed sometimes my android wifi speeds slow down to a crawl this is usually fixed by turning Wi-Fi off and on again, I see no real reason for slow speeds
    it might be wifi protocol limitation if you have a lot of wifi devices the wifi protocol allows for only a single device to be using the wireless network at a time CSMA/CA
    another possibility is you are using a wireless connection for your PC with a different protocol then your android 802.11n with 802.11b so you get a bottleneck issue
    I'd see what protocols your router and PC support and if they do support the newer n standard switching to it, another thing would be to turn off then on your phone's wifi and see if that helps

    I really don't think you can use kdeconnect with a wired connection but you can connect your android as a usb storage or a media device with a usb cable and get full usb 2.0 speeds (it should appear as a media/usb device depending on the protocol used) a media device should be preferred as usb storage locks your phone storage while it is connected
    you did allow the kdeconnect service in opensuse's firewall?
    seeing how you're on TW this might be a newr regression bug if the above does not help ask on kde's forums maybe open a bug report
    https://forum.kde.org/viewforum.php?f=225
    https://bugs.kde.org

  7. #7
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    Default Re: KDEConnect

    I get fast file transfers to my phone over wifi (usually a music album in ogg format - about 120MB takes about twenty seconds).
    However, file transfer can be a little flaky and sometimes I need to restart Plasma to get things working correctly.
    This is in leap 42.3
    Mark F.
    openSUSE Leap 15.1 / Plasma 5.12



  8. #8
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    Default Re: KDEConnect

    I'm having a slight love-hate relationship with KDE Connect lately [multiple weeks, if not a few months]. The following fault continues irrespective of keeping TW on both Tower & Lappy up to date, & irrespective of reboots.
    1. After pairing Tower & Lappy, i cannot see one from the other in Dolphin [ie, it's not like when plugging in a USB stick, for which Dolphin immediately shows the new device in its LHS Panel under "Devices"].
    2. I can, however, right-click on a candidate file in one PC's Dolphin & then select "Send to ...[the other pc] via KDE Connect".
    3. When i do #2 on Lappy, the file transfer to Tower's designated directory initiates & completes very fast. This is just marvellous; i love it.
    4. When i do #2 on Tower, the file transfer dialog appears on Lappy & seems superficially to complete the process, but it actually hangs... no file transfer occurs in fact... but a 0 B "placeholder" file instead appears in Lappy's designated directory, with ".part" appended. See pic below for example.
    5. Firewall on both PCs has KDE Connect allowed.




    As i said, love-hate.

  9. #9
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    Default Re: KDEConnect

    1. When i do #2 on Tower, the file transfer dialog appears on Lappy & seems superficially to complete the process, but it actually hangs... no file transfer occurs in fact... but a 0 B "placeholder" file instead appears in Lappy's designated directory, with ".part" appended. See pic below for example.
    2. Firewall on both PCs has KDE Connect allowed.

    I've never tried using KDE Connect (and it wouldn't be my first choice for inter-KDE/Linux file sharing anyway), but it would be interesting to know if the firewall configuration is correct/complete here. I note from a quick read of the KDE Connect guide that "KDE Connect uses dynamic ports in the range 1714-1764 for UDP and TCP". A quick test might be to stop the firewall on the laptop temporarily and see if the file transfer process behaves better. Just a thought.

  10. #10
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    Default Re: KDEConnect

    Ta deano. Yes i know that wiki; have read it many times over the months looking for some hint explaining this problem. Well, now, your mentioning
    know if the firewall configuration is correct/complete here
    triggered me to spend the past hour fiddling with the TW FW settings on both pc's, & right now i have managed to get KDE Connect to fully work bidirectionally at last... BUT... i am slightly anxious that i might now have stupid FW settings that have exposed one, other or both PC's ports unwisely to the world. My results also seem to be unintuitive & self-contradictory, IMO.

    On both PC's, irrespective of any FW settings i changed [incredibly including even with the FW purportedly off] the Gibson Shields Up site gave this same result:




    I cannot comprehend this repeatability independent of my FW settings, leading me to suspect:
    1. Shields Up is not to be believed, or
    2. My interpretation of Shields Up is wrong, or
    3. The TW FW is not actually really changing its settings when i tell it to, including when i use the option "Save Settings & Restart Firewall Now", or
    4. I am supposed to reboot my PC's after editing the FW settings, despite the FW GUI implying that the changes take effect immediately.


    Initially [with KDE Connect being only uni-directional per my earlier post], both PC's FWs were at default settings, except as mentioned that i had allowed the KDE Connect Service ports [per that wiki]. Said default settings means that each PC's network interface was NOT assigned to ANY zone [a situation that had puzzled me ever since i began using TW].

    So today i then made this the new setting on Lappy:



    To my amazement Tower's KDEC then could successfully send files.

    I thought i should then make the same setting on Tower, but KDE Connect remained uni-directional. So then i did the opposite zone allocation:



    ...after which KDEC became nicely bidirectional.

    Does this make any sense? Are those respective FW settings "good" or dangerous, pls?


    POSTSCRIPT: I began preparing this post several hours ago [on Tower, but with Lappy next to me]. Partway through the writing, whilst back in Lappy's YaST FW settings, Lappy suddenly became severely laggy to all inputs, & cpu went to 99%. Whilst i could not get to see what was eating the cpu, i know that it was not the btrfs maintenance [balancing] cron job, as that runs on Tuesday nights [& it's my Sunday afternoon now]. Eventually with no improvement i had to Ctrl-Alt-Backspace to kill the session, but that did not help as once logged in again it was still overloaded. I tried to reboot but it was ignored. I REISUB'd, & thereafter discovered the extent of the apparent disaster. I can boot, "apparently" unlock my encrypted /home at the screen for that as usual, but then cannot actually login to my Plasma or IceWM desktop anymore, as me or my other user. I tried multiple Snapper Rollbacks, but all gave no change to the preceding symptoms. I rebooted from Live media then ran
    Code:
    sudo btrfs check --repair /dev/sda3
    as previously worked for me in Tower [https://forums.opensuse.org/showthre...1#post2840121], but all the preceding symptoms [boot, "decrypt & mount", login just bounces back to login screen] continued. I shall soon make a dedicated thread for this, but wow, never did i suspect that making KDE Connect bidirectional result in "destroying" my Lappy TW <<sarcasm>>

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