ipfilter.timer

# /etc/systemd/system/ipfilter.timer

# ------------------------------------------------------------------------------
#                                                                              -
#  IP Filter Updater & Generator (ipfilter)                                    -
#                                                                              -
#  Created by Fonic (https://github.com/fonic)                                 -
#  Date: 04/15/19 - 08/25/23                                                   -
#                                                                              -
#  For detailed information regarding systemd units, see:                      -
#  man systemd.exec, man systemd.unit, man systemd.service, man systemd.timer  -
#                                                                              -
#  Run the following command after applying changes to this file:              -
#  $ systemctl daemon-reload                                                   -
#                                                                              -
# ------------------------------------------------------------------------------

# NOTE:
#
# - Copy or move this file to folder '/etc/systemd/system' and run the following
#   command to make systemd recognize the newly added timer (mandatory):
#   $ systemctl daemon-reload
#
# - Items 'OnCalendar', 'RandomizedDelaySec' and 'Persistent' may be customized
#   to fit the specific use case (optional)

[Unit]
Description=Timer for IP Filter Updater & Generator

[Timer]
# Run IP Filter on every day of every month of every year at 03:00am within a
# 30min window (i.e. run at a randomly chosen time between 03:00am and 03:30am)
OnCalendar=*-*-* 03:00:00
RandomizedDelaySec=1800

# Save last time timer was triggered and trigger immediately if a run has been
# missed (e.g. due to system being offline during the time when the timer would
# have normally been triggered)
Persistent=true

[Install]
WantedBy=timers.target