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On Fri, Mar 13, 2015 at 8:25 PM, Michael Marineau <michael.marineau@coreos.com> wrote: > Currently systemd-timesyncd.service includes > ConditionVirtualization=no, disabling it in both containers and > virtual machines. Each VM platform tends to deal with or ignore the > time problem in their own special ways, KVM/QEMU has the kernel time > source kvm-clock, Xen has had different schemes over the years, VMware > expects a userspace daemon sync the clock, and other platforms are > content to drift with the wind as far as I can tell. > > I don't know of a robust way to know if a platform needs a little > extra help from userspace to keep the clock sane or not but it seems > generally safer to try than to risk drifting. Does anyone know of a > reason to leave timesyncd off by default? Otherwise switching to > ConditionVirtualization=!container should be reasonable.
34 lines
1.0 KiB
SYSTEMD
34 lines
1.0 KiB
SYSTEMD
# 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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RequiresMountsFor=/var/lib/systemd/clock
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After=systemd-remount-fs.service systemd-tmpfiles-setup.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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CapabilityBoundingSet=CAP_SYS_TIME CAP_SETUID CAP_SETGID CAP_SETPCAP CAP_CHOWN CAP_DAC_OVERRIDE CAP_FOWNER
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PrivateTmp=yes
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PrivateDevices=yes
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ProtectSystem=full
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ProtectHome=yes
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WatchdogSec=1min
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[Install]
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WantedBy=sysinit.target
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