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systemd[1]: Starting Daily apt upgrade and clean activities...

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  systemd[1]: Starting Daily apt upgrade and clean activities... Lee <ler762@gmail.com> - 2022-02-08 20:50 +0100
    Re: systemd[1]: Starting Daily apt upgrade and clean activities... Greg Wooledge <greg@wooledge.org> - 2022-02-08 21:10 +0100
    Re: systemd[1]: Starting Daily apt upgrade and clean activities... Dan Ritter <dsr@randomstring.org> - 2022-02-08 21:20 +0100
      Re: systemd[1]: Starting Daily apt upgrade and clean activities... ghe2001 <ghe2001@protonmail.com> - 2022-02-08 22:20 +0100
    Re: systemd[1]: Starting Daily apt upgrade and clean activities... David Wright <deblis@lionunicorn.co.uk> - 2022-02-08 22:20 +0100
    Re: systemd[1]: Starting Daily apt upgrade and clean activities... Andy Smith <andy@strugglers.net> - 2022-02-09 07:40 +0100

#245107 — systemd[1]: Starting Daily apt upgrade and clean activities...

Apparently the syslog message
  systemd[1]: Starting Daily apt upgrade and clean activities...
is caused by systemd / apt-daily.timer - correct?

# sudo systemctl status apt-daily.timer
● apt-daily.timer - Daily apt download activities
     Loaded: loaded (/lib/systemd/system/apt-daily.timer; enabled;
vendor preset: enabled)
     Active: active (waiting) since Fri 2022-01-28 15:16:57 EST; 1
weeks 3 days ago
    Trigger: Wed 2022-02-09 00:33:19 EST; 10h left
   Triggers: ● apt-daily.service

I'm sure I don't want any automatic apt upgrade happening, but what
are the "clean activities"?

TIA
Lee

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#245109

On Tue, Feb 08, 2022 at 02:25:35PM -0500, Lee wrote:
> Apparently the syslog message
>   systemd[1]: Starting Daily apt upgrade and clean activities...
> is caused by systemd / apt-daily.timer - correct?
> 
> # sudo systemctl status apt-daily.timer
> ● apt-daily.timer - Daily apt download activities
>      Loaded: loaded (/lib/systemd/system/apt-daily.timer; enabled;
> vendor preset: enabled)
>      Active: active (waiting) since Fri 2022-01-28 15:16:57 EST; 1
> weeks 3 days ago
>     Trigger: Wed 2022-02-09 00:33:19 EST; 10h left
>    Triggers: ● apt-daily.service
> 
> I'm sure I don't want any automatic apt upgrade happening, but what
> are the "clean activities"?

Exactly what you'd imagine.

apt-get update
apt-get upgrade
apt-get clean


For more detail, see /usr/lib/apt/apt.systemd.daily --

#  APT::Periodic::Unattended-Upgrade "0";
#  - Run the "unattended-upgrade" security upgrade script 
#    every n-days (0=disabled)
#    Requires the package "unattended-upgrades" and will write
#    a log in /var/log/unattended-upgrades
# 
#  APT::Periodic::AutocleanInterval "0";
#  - Do "apt-get autoclean" every n-days (0=disable)
#
#  APT::Periodic::CleanInterval "0";
#  - Do "apt-get clean" every n-days (0=disable)

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#245110

Lee wrote: 
> Apparently the syslog message
>   systemd[1]: Starting Daily apt upgrade and clean activities...
> is caused by systemd / apt-daily.timer - correct?
> 
> # sudo systemctl status apt-daily.timer
> ● apt-daily.timer - Daily apt download activities
>      Loaded: loaded (/lib/systemd/system/apt-daily.timer; enabled;
> vendor preset: enabled)
>      Active: active (waiting) since Fri 2022-01-28 15:16:57 EST; 1
> weeks 3 days ago
>     Trigger: Wed 2022-02-09 00:33:19 EST; 10h left
>    Triggers: ● apt-daily.service
> 
> I'm sure I don't want any automatic apt upgrade happening, but what
> are the "clean activities"?

"apt clean" removes unnecessary download packages.

My personal preference is to have upgrade packages downloaded
automatically but not installed, and to get a daily email message
from each box in my house with a list of what is ready. After I
do an upgrade, I also do a clean.

At work, the local repo syncs with Debian mirrors, then tells
the sysadmin team what's new. They push packages into each of
several tiers of machines: the "any time" machines which can, if
necessary, be rebooted mid-day; the "evening" machines which can
stop after people have gone home; the "weekend" machines which
need to wait for a maintenance window unless there is an
emergency.

-dsr-

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#245116

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Hash: SHA256



> My personal preference is to have upgrade packages downloaded
> automatically but not installed,

I think apticron does that for me.  And it tells me that everything's up to date if it is.  I do an 'apt update' to be sure I have the latest news, and an 'apt upgrade' if necessary (that's where I find out just what's available), and everything's already there -- at least I think it is; the updating's real fast. Even when it's updating Firefox or the kernel.

I do the same via SSH for the other machines on the net.

--
Glenn English



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#245117

On Tue 08 Feb 2022 at 14:25:35 (-0500), Lee wrote:
> Apparently the syslog message
>   systemd[1]: Starting Daily apt upgrade and clean activities...
> is caused by systemd / apt-daily.timer - correct?
> 
> # sudo systemctl status apt-daily.timer
> ● apt-daily.timer - Daily apt download activities
>      Loaded: loaded (/lib/systemd/system/apt-daily.timer; enabled;
> vendor preset: enabled)
>      Active: active (waiting) since Fri 2022-01-28 15:16:57 EST; 1
> weeks 3 days ago
>     Trigger: Wed 2022-02-09 00:33:19 EST; 10h left
>    Triggers: ● apt-daily.service
> 
> I'm sure I don't want any automatic apt upgrade happening, but what
> are the "clean activities"?

You start with the line above:

>      Loaded: loaded (/lib/systemd/system/apt-daily.timer; …

and check the service it provides:

$ tail -n 3 /lib/systemd/system/apt-daily.service
ExecStartPre=-/usr/lib/apt/apt-helper wait-online
ExecStart=/usr/lib/apt/apt.systemd.daily update

$ 

So look at:

$ head -n 6 /usr/lib/apt/apt.systemd.daily
#!/bin/sh
#set -e
#
# This file understands the following apt configuration variables:
# Values here are the default.
# Create /etc/apt/apt.conf.d/10periodic file to set your preference.
$ 

That file contains helpful comments and the scripts, but what runs
depends on /etc/apt/apt.conf.d/10periodic, or other apt configurations,
which I don't have set.

Presumably the installers "unattended upgrades" option plays
with this stuff.

(The heads and tails above are just to trim the post; you're
not expected to use them a priori.)

Cheers,
David.

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#245124

Hello,

On Tue, Feb 08, 2022 at 02:25:35PM -0500, Lee wrote:
> Apparently the syslog message
>   systemd[1]: Starting Daily apt upgrade and clean activities...
> is caused by systemd / apt-daily.timer - correct?

No, that one is from apt-daily-upgrade.timer:

$ grep -r "upgrade and clean" /lib/systemd/
/lib/systemd/system/apt-daily-upgrade.timer:Description=Daily apt upgrade and clean activities
/lib/systemd/system/apt-daily-upgrade.service:Description=Daily apt upgrade and clean activities
$ systemctl cat apt-daily-upgrade
# /lib/systemd/system/apt-daily-upgrade.service
[Unit]
Description=Daily apt upgrade and clean activities
Documentation=man:apt(8)
ConditionACPower=true
After=apt-daily.service network.target network-online.target
systemd-networkd.servic>

[Service]
Type=oneshot
ExecStartPre=-/usr/lib/apt/apt-helper wait-online
ExecStart=/usr/lib/apt/apt.systemd.daily install
KillMode=process
TimeoutStopSec=900

> I'm sure I don't want any automatic apt upgrade happening, but what
> are the "clean activities"?

Upgrades only happen if you have allowed unattended-upgrades, so
don't be concerned by the description of the service saying
"upgrade".

"clean" refers to "apt-get clean" and "apt-get autoclean".

See the actual script /usr/lib/apt/apt.systemd.daily for the apt
configuration settings which would allow these things to happen and
control how often they happen.

Cheers,
Andy

-- 
https://bitfolk.com/ -- No-nonsense VPS hosting

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