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Re: And if/when one doesn't have rfkill installed ...: Re: BerkeleyLUG meetup this Sunday 2019-10-27 at Cafe Blue Door

On Wednesday, October 30, 2019 at 12:15:47 AM UTC-7, Michael Paoli wrote:
And if/when one doesn't have rfkill installed ...:

etcetera, etcetera, etcetera............

And if/when one or more persons would like to know a bit more understandable and less cryptic information about 'rfkill' (less than a handful of web-accessible references)....

1. Directly quoting from the Linux Wireless Wiki for rfkill of reference [1]:

About rfkill

rfkill is a small userspace tool to query the state of the rfkill switches, buttons and subsystem interfaces. Some devices come with a hard switch that lets you kill different types of RF radios: 802.11 / Bluetooth / NFC / UWB / WAN / WIMAX / FM. Some times these buttons may kill more than one RF type. The Linux kernel rfkill subsystem exposes these hardware buttons and lets userspace query its status and set its status through a /dev/rfkill. Given that at times some RF devices do not have hardware rfkill buttons rfkill the Linux kernel also exposes software rfkill capabilities that allows userspace to mimic a hardware rfkill event and turn on or off RF.

2. kernel.org's 'rfkill - RF kill switch support' at reference [2].
3. Lynxbee's fairly straightforward 'How to Turn ON & OFF Bluetooth, LAN, Wireless / WiFi from command line in Ubuntu' at reference [3].
4. The rfkill(8) Linux manual page at reference [4].



> From: "tom r lopes" <tomrlopes@gmail.com>
> Subject: Re: BerkeleyLUG meetup this Sunday 2019-10-27 at Cafe Blue Door
> Date: Sun, 27 Oct 2019 17:13:38 -0700

> but rfkill was not installed.

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