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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.

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Can't reach my Android device from Linux Mint (lemmy.ml)

submitted 8 months ago* (last edited 8 months ago) by cyberwolfie@lemmy.ml to c/linux@lemmy.ml

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I am trying to set up KDE Connect between a machine running Linux Mint and my Android-device. It does not show up, and it turns out I don't receive any response if I ping it, and I have the same issue trying to ping the machine from my Android device (from Termux). I've tried two different Android devices, but no luck.

This is not an issue with two other machines I have. Both have KDE Connect setup and I can ping the phone just fine, and I can also ping from the phone. They're all connected to the same VLAN. I can also ping from this machine to the other machines. ufw is disabled.

What could be the issue here?

EDIT: Connection established suddenly after installing and running iptraf.

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[–] anamethatisnt@lemmy.world 2 points 8 months ago (1 children)

If you're using wireless then you could try disabling power saving on the wifi card. It will drain more battery but the only reason I can see iptraf helping is if it wakes the network card.
https://unix.stackexchange.com/questions/269661/how-to-turn-off-wireless-power-management-permanently#315400

[–] cyberwolfie@lemmy.ml 2 points 8 months ago (1 children)

I've already done that after having had very slow speeds in a room far away from the WiFi hotspot. But another thing I've noticed is that the TxPower-setting is very low (3 dBm), which I believe was the real culprit for the slow speeds. I think the max allowed value of this is 20 (according to a line in the dmesg output), so I've been wondering if I could just change this to a higher value. It is now placed close to the router, so I am thinking of connecting it by cable (I just don't have one at the moment) - maybe that could solve my other problem as well.

This is yet another problem, but do you know if the TxPower-setting could affect the Bluetooth-capabilities? I use a keyboard connected by Bluetooth. When I run the Dolphin Emulator, where I've set it to emulate a Bluetooth-adapter and search continuously for my Wii-remotes, it seems to interfere with the keyboard-signals.

[–] anamethatisnt@lemmy.world 1 points 8 months ago

I would try a LiveUSB with Fedora or another distro with a more up to date kernel and test my wireless card there, if wifi and bluetooth plays nice then you can install a new kernel on Linux Mint and probably have it solved that way.