Questions tagged [wall]
The wall tag has no usage guidance.
11
questions
0
votes
1
answer
22
views
How to limit messages from the wall command to a specific group?
The description for the wall command states that it sends a message to all logged in users. However, the man page describes a flag, -g --group, which allows the sender to limit messages to a specified ...
0
votes
0
answers
37
views
Is there an option to disable wall messages on hibernation?
Since the latest system update I get the following message broadcast by wall to all my terminals when hibernating my machine:
Broadcast message from myuser@mymachine (Tue 2022-05-24 16:59:29 UTC):
...
0
votes
1
answer
103
views
systemd infinite loop with wall command
I know this is a very unusual question but i had to create a bash script for a school project and I created a systemd service which calls a script on startup. Script contained (i think, cant check ...
0
votes
0
answers
49
views
Contents of variable somehow lost with socat and wall
I'm not sure what is going on or which command causes the unexpected behavior, so I'll post everything I've done:
I have created a script onreceive.sh containing:
#!/bin/bash
read INCOMING
wall --...
5
votes
2
answers
1k
views
Is there a wall log?
A tool that runs day and night sometimes posts crucial information to the wall. Is there any way to redirect this output to a file for when I'm asleep? Alternatively, does wall keep a log of messages ...
3
votes
2
answers
4k
views
How can I reply to broadcast messages?
I received some messages here:
[root@localhost kvm]#
Broadcast message from root@localhost.localdomain (pts/1) (Thu Jun 6 08:04:26 2019):
hello
Broadcast message from root@localhost.localdomain (...
2
votes
0
answers
136
views
Output non-ascii characters through wall command
Using Linux Slackware 14.2, KDE. I created a script in Linux with Russian text that I want to output through wall:
#!/bin/bash
wall <<< 'Сообщение'
Instead of text I see the characters ...
1
vote
1
answer
683
views
Prevent Unattented-upgrades from sending reboot notifications to shell
I am using Ubuntu 16.04 and have enabled automatic updates and reboots. Version of unattended-upgrades is 0.90ubuntu0.9.
When there is pending reboot and I am logged in to the server I keep getting ...
1
vote
1
answer
374
views
wall forces everyone to input something to get back to the prompt
I can't find an answer for this and it may be because I don't know how to phrase the question.
I'm using wall to broadcast a message to open terminals once a day. When it does, the terminal users' ...
1
vote
1
answer
623
views
Piping cat into wall (e.g. cat | wall)
Why does echo foo | wall work but cat | wall not work? In the latter case, I enter a couple lines into cat, and in theory they should pipe to wall; however, nothing happens.
2
votes
0
answers
1k
views
Wall not working on Ubuntu 16.04
When I use echo "hi" | wall on a device I have running Ubuntu 14.04 I get back:
Broadcast Message from rescue@ws1-/share/locale-langpack/en_CA.UTF-8.utf8/LC_ID
(/dev/pts/2) at 14:19 ... ...