Edit File: systemd-sysupdate.service

#  SPDX-License-Identifier: LGPL-2.1-or-later
#
#  This file is part of systemd.
#
#  systemd is free software; you can redistribute it and/or modify it
#  under the terms of the GNU Lesser General Public License as published by
#  the Free Software Foundation; either version 2.1 of the License, or
#  (at your option) any later version.

[Unit]
Description=Automatic System Update
Documentation=man:systemd-sysupdate.service(8)
Wants=network-online.target
After=network-online.target
ConditionVirtualization=!container

[Service]
Type=simple
NotifyAccess=main
ExecStart=/usr/lib/systemd/systemd-sysupdate update
CapabilityBoundingSet=CAP_CHOWN CAP_FOWNER CAP_FSETID CAP_MKNOD CAP_SETFCAP CAP_SYS_ADMIN CAP_SETPCAP CAP_DAC_OVERRIDE CAP_LINUX_IMMUTABLE
NoNewPrivileges=yes
MemoryDenyWriteExecute=yes
ProtectHostname=yes
RestrictRealtime=yes
RestrictNamespaces=net
RestrictAddressFamilies=AF_UNIX AF_INET AF_INET6
SystemCallFilter=@system-service @mount
SystemCallErrorNumber=EPERM
SystemCallArchitectures=native
LockPersonality=yes

[Install]
Also=systemd-sysupdate.timer