usage: check_unattended_upgrades [-h] [-A] [-a CONFIG_VALUE] [-c TIME_UNITS]
[-D] [-d CONFIG_VALUE] [-e CONFIG_VALUE]
[-f UNIT] [-l CONFIG_VALUE] [-m CONFIG_VALUE]
[-n] [-p CUSTOM_REPOS] [-R] [-r CONFIG_VALUE]
[-S] [-s CONFIG_VALUE] [-t] [-u CONFIG_VALUE]
[-v] [-V] [-w TIME_UNITS]
Copyright (c) 2015-22 Josef Friedrich <josef@friedrich.rocks>
Monitoring plugin to check automatic updates (unattended-upgrades) on Debian / Ubuntu.
options:
-h, --help show this help message and exit
-A, --anacron Check if the package 'anacron' is installed.
-a CONFIG_VALUE, --autoclean CONFIG_VALUE
Check if the configuration
'APT::Periodic::AutocleanInterval' is set properly.
-c TIME_UNITS, --critical TIME_UNITS
Time interval since the last execution to result in a
critical state (time units depending on '--format').
-D, --short-description
Show a short description of this check plugin.
-d CONFIG_VALUE, --download CONFIG_VALUE
Check if the configuration 'APT::Periodic:Download-
Upgradeable-Packages' is set properly.
-e CONFIG_VALUE, --enable CONFIG_VALUE
Check if the configuration 'APT::Periodic::Enable' is
set properly
-f UNIT, --format UNIT
Defines the unit for the numbers of '--warning' and '--
critical', also the output of 'last-run'. Allowed values
are: 'seconds', 'minutes', 'hours' and 'days', default:
'seconds'.
-l CONFIG_VALUE, --lists CONFIG_VALUE
Check if the configuration 'APT::Periodic::Update-
Package-Lists' is set properly.
-m CONFIG_VALUE, --mail CONFIG_VALUE
Check if the configuration 'Unattended-Upgrade::Mail' is
set properly.
-n, --dry-run Check if 'unattended-upgrades --dry-run' is working.
Warning: If you use this option the performance data
last_ago is always 0 or near to 0.
-p CUSTOM_REPOS, --repo CUSTOM_REPOS, --custom-repo CUSTOM_REPOS
Check if 'Unattended-upgrades' is configured to include
the specified custom repository.
-R, --reboot Check if the machine needs a reboot.
-r CONFIG_VALUE, --remove CONFIG_VALUE
Check if the configuration 'Unattended-Upgrade::Remove-
Unused-Dependencies' is set properly.
-S, --security Check if 'Unattended-upgrades' is configured to handle
security updates.
-s CONFIG_VALUE, --sleep CONFIG_VALUE
Check if the configuration 'APT::Periodic::RandomSleep'
is set properly.
-t, --systemd-timers Check if the appropriate systemd timers are enabled (
apt-daily-upgrade.timer, apt-daily.timer ).
-u CONFIG_VALUE, --unattended CONFIG_VALUE
Check if the configuration 'APT::Periodic::Unattended-
Upgrade' is set properly.
-v, --verbose
-V, --version show program's version number and exit
-w TIME_UNITS, --warning TIME_UNITS
Time interval since the last execution to result in a
warning state (time units depending on '--format').
Performance data:
- last_ago
Time interval in seconds for last unattended-upgrades execution.
- warning
Interval of time units defined in '--format'.
- critical
Interval of time units defined in '--format'.
About file system permissions:
The user which executes this plugin must have read permissions to this
log file:
/var/log/unattended-upgrades/unattended-upgrades.log
To allow every user on your system to read the mentioned log file this
permissions are recommended:
751 (drwxr-x--x) /var/log/unattended-upgrades
644 (-rw-r--r--) /var/log/unattended-upgrades/unattended-upgrades.log
