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computers / alt.os.linux.mint / Re: Intercept/read dmesg and take action

Intercept/read dmesg and take action

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From: sessantaquattrobits@gmail.com (servoloro)
Newsgroups: alt.os.linux.mint
Subject: Intercept/read dmesg and take action
Date: Fri, 19 Jan 2024 14:47:46 +0100
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by: servoloro - Fri, 19 Jan 2024 13:47 UTC

Re: Intercept/read dmesg and take action

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From: addr@is.invalid (Arti F. Idiot)
Newsgroups: alt.os.linux.mint
Subject: Re: Intercept/read dmesg and take action
Date: Fri, 19 Jan 2024 08:02:05 -0700
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by: Arti F. Idiot - Fri, 19 Jan 2024 15:02 UTC

On 1/19/24 6:47 AM, servoloro wrote:
> I'd like to intecept some messagges from dmesg and execute some
> command/clist if appropriate.
> Any suggestion apart issue
> dmesg > file.txt
> and then read and elaborate file.txt ?
> Thanks in advance :-)

Here's a simple "SD device attached" notifier:

dmesg -W |\
awk '/\[sd.* Attached/{system("notify-send -t 2000 device\\attached")}'

The "-W" makes dmesg work like "tail -n0 -f <file>".

Probably you'd want to use crontab or create a custom 'Atartup
Applications' script for something that needs to run continually.

Subject	Author
Intercept/read dmesg and take action	servoloro
Re: Intercept/read dmesg and take action	Arti F. Idiot