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jmbreuer
n00b
Joined: 07 Sep 2011
Posts: 18
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 Posted: Tue Aug 30, 2022 6:14 pm Post subject: get rid of broadcast to all terminals when suspending? |
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Since some recent updates, suspending (usually to RAM) my system from KDE/Plasma will print a wall message to any and all shells/terminals/ssh logins/... on the machine, like this:
| Code: | Broadcast message from user@host (Fri 2022-08-26 12:30:13 CEST):
The system is going down for suspend NOW!
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While I appreciate that this may be a useful thing to have in some scenarios, for me it's mostly an annoyance - top/watch/... like stuff in terminals gets unnecessarily corrupted, and the message contains a bell character so the system will go into suspend while at the same time trying to play the bell sample, which causes it to be distorted/interrupted and unnecessarily startling. And/or cause the bell alert to be played on other machines that happen to have a shell open on mine.
How/where does this message originate, and how/where do I configure what, when and where it's sent? |
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alamahant
Advocate
Joined: 23 Mar 2019
Posts: 3879
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| Posted: Tue Aug 30, 2022 6:18 pm Post subject: |
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I think coming from
Maybe try
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busctl get-property org.freedesktop.login1 /org/freedesktop/login1 org.freedesktop.login1.Manager EnableWallMessages
and if true run
sudo busctl set-property org.freedesktop.login1 /org/freedesktop/login1 org.freedesktop.login1.Manager EnableWallMessages b false
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from
https://bbs.archlinux.org/viewtopic.php?id=276700
A better approach is to set
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BroadcastSuspendInterrupts=no
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in
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/etc/elogind/logind.conf
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see
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jmbreuer
n00b
Joined: 07 Sep 2011
Posts: 18
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| Posted: Thu Sep 01, 2022 7:58 am Post subject: |
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Thank you very much, alamahant!
This got me in the right direction for sure.
My system's running sys-apps/systemd, not sys-auth/elogind. Currently, in systemd it's not a configurable option (surprise, surprise...), but apparently it's been patched out in newer versions again:
https://github.com/systemd/systemd/issues/23520
The busctl approach works well though (needs to be run as root). I'll see if I can wrap that command up as a systemd unit that will run "late enough" to be effective. |
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