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2dd79846dd
Systems that have an accurate real-time clock may have an initial unsynchronized time that is close enough to the synchronized time that the final adjustment doesn't trigger a waking "clock set" event. Have timesyncd touch a file in its runtime directory as a secondary signal for synchronization. Continue to support the timerfd-based trigger as a sufficient condition when the watchfile is not present. Closes issue #8683
48 lines
1.3 KiB
SYSTEMD
48 lines
1.3 KiB
SYSTEMD
# SPDX-License-Identifier: LGPL-2.1+
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#
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# This file is part of systemd.
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#
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# systemd is free software; you can redistribute it and/or modify it
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# under the terms of the GNU Lesser General Public License as published by
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# the Free Software Foundation; either version 2.1 of the License, or
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# (at your option) any later version.
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[Unit]
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Description=Network Time Synchronization
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Documentation=man:systemd-timesyncd.service(8)
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ConditionCapability=CAP_SYS_TIME
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ConditionVirtualization=!container
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DefaultDependencies=no
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After=systemd-remount-fs.service systemd-sysusers.service
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Before=time-sync.target sysinit.target shutdown.target
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Conflicts=shutdown.target
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Wants=time-sync.target
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[Service]
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Type=notify
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Restart=always
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RestartSec=0
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ExecStart=!!@rootlibexecdir@/systemd-timesyncd
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WatchdogSec=3min
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User=systemd-timesync
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DynamicUser=yes
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CapabilityBoundingSet=CAP_SYS_TIME
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AmbientCapabilities=CAP_SYS_TIME
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PrivateDevices=yes
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ProtectHome=yes
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ProtectControlGroups=yes
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ProtectKernelTunables=yes
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ProtectKernelModules=yes
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MemoryDenyWriteExecute=yes
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RestrictRealtime=yes
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RestrictNamespaces=yes
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RestrictAddressFamilies=AF_UNIX AF_INET AF_INET6
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RuntimeDirectory=systemd/timesync
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SystemCallFilter=~@cpu-emulation @debug @keyring @module @mount @obsolete @raw-io @reboot @swap
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SystemCallArchitectures=native
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LockPersonality=yes
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StateDirectory=systemd/timesync
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[Install]
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WantedBy=sysinit.target
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