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Edit File: systemd-hostnamed.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=Hostname Service Documentation=man:systemd-hostnamed.service(8) Documentation=man:hostname(5) Documentation=man:machine-info(5) Documentation=man:org.freedesktop.hostname1(5) [Service] BusName=org.freedesktop.hostname1 CapabilityBoundingSet=CAP_SYS_ADMIN ExecStart=/lib/systemd/systemd-hostnamed IPAddressDeny=any LockPersonality=yes MemoryDenyWriteExecute=yes NoNewPrivileges=yes PrivateDevices=yes PrivateNetwork=yes PrivateTmp=yes ProtectProc=invisible ProtectControlGroups=yes ProtectHome=yes ProtectKernelLogs=yes ProtectKernelModules=yes ProtectKernelTunables=yes ProtectSystem=strict ReadWritePaths=/etc /run/systemd RestrictAddressFamilies=AF_UNIX RestrictNamespaces=yes RestrictRealtime=yes RestrictSUIDSGID=yes SystemCallArchitectures=native SystemCallErrorNumber=EPERM SystemCallFilter=@system-service sethostname WatchdogSec=3min