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doc: cookbook: Document how to disable the Yubikey OTP application. 

* doc/guix-cookbook.texi (Using security keys)
<Disabling OTP code generation for a Yubikey>: New subsection.

Reviewed-by: John Kehayias <john.kehayias@protonmail.com>
Maxim Cournoyer 2023-07-26 15:53:00 -04:00
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@ -21,7 +21,7 @@ Copyright @copyright{} 2020 Brice Waegeneire@*
Copyright @copyright{} 2020 André Batista@*
Copyright @copyright{} 2020 Christine Lemmer-Webber@*
Copyright @copyright{} 2021 Joshua Branson@*
Copyright @copyright{} 2022 Maxim Cournoyer@*
Copyright @copyright{} 2022, 2023 Maxim Cournoyer@*
Copyright @copyright{} 2023 Ludovic Courtès
Permission is granted to copy, distribute and/or modify this document
@ -127,7 +127,7 @@ System Configuration
* Dynamic DNS mcron job:: Job to update the IP address behind a DuckDNS host name.
* Connecting to Wireguard VPN:: Connecting to a Wireguard VPN.
* Customizing a Window Manager:: Handle customization of a Window manager on Guix System.
* Running Guix on a Linode Server:: Running Guix on a Linode Server. Running Guix on a Linode Server.
* Running Guix on a Linode Server:: Running Guix on a Linode Server.
* Setting up a bind mount:: Setting up a bind mount in the file-systems definition.
* Getting substitutes from Tor:: Configuring Guix daemon to get substitutes through Tor.
* Setting up NGINX with Lua:: Configuring NGINX web-server to load Lua modules.
@ -1574,7 +1574,7 @@ reference.
* Dynamic DNS mcron job:: Job to update the IP address behind a DuckDNS host name.
* Connecting to Wireguard VPN:: Connecting to a Wireguard VPN.
* Customizing a Window Manager:: Handle customization of a Window manager on Guix System.
* Running Guix on a Linode Server:: Running Guix on a Linode Server. Running Guix on a Linode Server.
* Running Guix on a Linode Server:: Running Guix on a Linode Server.
* Setting up a bind mount:: Setting up a bind mount in the file-systems definition.
* Getting substitutes from Tor:: Configuring Guix daemon to get substitutes through Tor.
* Setting up NGINX with Lua:: Configuring NGINX web-server to load Lua modules.
@ -2134,6 +2134,24 @@ security key'' menu. If it works, congratulations, your security key is
ready to be used with applications supporting two-factor authentication
(2FA).
@subsection Disabling OTP code generation for a Yubikey
@cindex disabling yubikey OTP
If you use a Yubikey security key and are irritated by the spurious OTP
codes it generates when inadvertently touching the key (e.g. causing you
to become a spammer in the @samp{#guix} channel when discussing from
your favorite IRC client!), you can disable it via the following
@command{ykman} command:
@example
guix shell python-yubikey-manager -- ykman config usb --force --disable OTP
@end example
Alternatively, you could use the @command{ykman-gui} command provided by
the @code{yubikey-manager-qt} package and either wholly disable the
@samp{OTP} application for the USB interface or, from the
@samp{Applications -> OTP} view, delete the slot 1 configuration, which
comes pre-configured with the Yubico OTP application.
@node Dynamic DNS mcron job
@section Dynamic DNS mcron job