Re: [gentoo-user] Can I suppress the bleep when shutting down?

[Marc Joliet]

On Tuesday 20 October 2015 19:22:48 Matthias Gerstner wrote:
>Hi Alan,
>
>> I simply want to disable that one particular beeping at shutdown time.
>
>well this topic made me curious where the beep is coming from.
>
>It does originate from the shutdown command itself which is part of the
>sys-apps/sysvinit package. In this package's source you find can a file
>"src/dowall.c", where you will in turn find a function "wall(...)".
>
>This is the function where the warning messages will be produced that
>show up in the terminal and the message is produced like this:
>
>snprintf(line, sizeof(line),
>	"\007\r\nBroadcast message from %s@%s %s(%s):\r\n\r\n",
>	user, hostname, tty, date);
>
>The "\007" is the beep you're getting. It's a bell character that you
>can produce manually by doing this, too:
>
>echo -e "\007"
>
>Unfortunately the bell character is hard coded into the warning message.
>Also there seems to be no way to suppress the warning message.
[...]

If it's caused by the call to wall(), then maybe the --no-wall option to 
shutdown will help?

>Regards
>
>Matthias

HTH
-- 
Marc Joliet
--
"People who think they know everything really annoy those of us who know we
don't" - Bjarne Stroustrup