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From: Greg Wooledge <greg@wooledge.org>
Newsgroups: linux.debian.user
Subject: Re: need to reinstall pulseaudio every day
Date: Wed, 03 Mar 2021 14:10:02 +0100
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Pierre Frenkiel (pierre.frenkiel@gmail.com) wrote:
> > ls -ld / /usr /usr/bin /usr/bin/pulseaudio
> 
>    drwxr-xr-x 39 root root  4096 Jul 13  2019 /
>    drwxr-xr-x 12 root root  4096 Jul  7  2017 /usr
>    drwxr-xr-x  2 root root 86016 Jul  7  2017 /usr/bin
>    -rwxr-xr-x  1 root root 95688 Aug 15  2019 /usr/bin/pulseaudio
> > 
> > sudo grep -ri pulse /etc/crontab /etc/cron.* /var/spool/cron
> 
>    /var/spool/cron/crontabs/frenkiel:# 0-59/1 * * * * pulse-check >> ~frenkiel/log/pulse 2>&1
> > 
> > find /lib/systemd /var/lib/systemd /etc/systemd -name '*.timer' \
> >  -exec grep -i pulse /dev/null {} +
> > 
> grep: /etc/systemd/system/timers.target.wants/phpsessionclean.timer: No such file or directory

OK, it's good that we can rule out some of the possible causes, like
"permissions are wrong on /usr/bin" or "there's a cron job that
deletes it every week".  We're still left with a mystery, but it's
slightly smaller now.