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Top Forums Shell Programming and Scripting Append to a file repeating output Post 302954523 by RudiC on Tuesday 8th of September 2015 04:58:04 PM
Old 09-08-2015
So - why did you put it back in?

watch seems to do funny things to your output file, e.g. writing many console code/control chars. You should have seen it grow during operation.
 

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SYSTEMD-ASK-PASSWORD-CONSOLE.SERVICE(8) 	       systemd-ask-password-console.service		   SYSTEMD-ASK-PASSWORD-CONSOLE.SERVICE(8)

NAME
systemd-ask-password-console.service, systemd-ask-password-console.path, systemd-ask-password-wall.service, systemd-ask-password-wall.path - Query the user for system passwords on the console and via wall SYNOPSIS
systemd-ask-password-console.service systemd-ask-password-console.path systemd-ask-password-wall.service systemd-ask-password-wall.path DESCRIPTION
systemd-ask-password-console.service is a system service that queries the user for system passwords (such as hard disk encryption keys and SSL certificate passphrases) on the console. It is intended to be used during boot to ensure proper handling of passwords necessary for boot. systemd-ask-password-wall.service is a system service that informs all logged in users for system passwords via wall(1). It is intended to be used after boot to ensure that users are properly notified. See the developer documentation[1] for more information about the system password logic. Note that these services invoke systemd-tty-ask-password-agent(1) with either the --watch --console or --watch --wall command line parameters. SEE ALSO
systemd(1), systemd-tty-ask-password-agent(1), wall(1) NOTES
1. developer documentation https://www.freedesktop.org/wiki/Software/systemd/PasswordAgents systemd 237 SYSTEMD-ASK-PASSWORD-CONSOLE.SERVICE(8)
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