Editing File: /lib/systemd/system/systemd-logind.service

#  SPDX-License-Identifier: LGPL-2.1+
#
#  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=Login Service
Documentation=man:systemd-logind.service(8) man:logind.conf(5)
Documentation=https://www.freedesktop.org/wiki/Software/systemd/logind
Documentation=https://www.freedesktop.org/wiki/Software/systemd/multiseat
Wants=user.slice
After=nss-user-lookup.target user.slice

# Ask for the dbus socket.
Wants=dbus.socket
After=dbus.socket

[Service]
ExecStart=/usr/lib/systemd/systemd-logind
Restart=always
RestartSec=0
BusName=org.freedesktop.login1
WatchdogSec=3min
CapabilityBoundingSet=CAP_SYS_ADMIN CAP_MAC_ADMIN CAP_AUDIT_CONTROL CAP_CHOWN CAP_KILL CAP_DAC_READ_SEARCH CAP_DAC_OVERRIDE CAP_FOWNER CAP_SYS_TTY_CONFIG
MemoryDenyWriteExecute=yes
RestrictRealtime=yes
RestrictNamespaces=yes
RestrictAddressFamilies=AF_UNIX AF_NETLINK
RestrictSUIDSGID=yes
SystemCallFilter=@system-service
SystemCallErrorNumber=EPERM
SystemCallArchitectures=native
LockPersonality=yes
FileDescriptorStoreMax=512

# Increase the default a bit in order to allow many simultaneous
# logins since we keep one fd open per session.
LimitNOFILE=16384

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