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cabc1c6d7a
Add `ProtectClock=yes` to systemd units. Since it implies certain `DeviceAllow=` rules, make sure that the units have `DeviceAllow=` rules so they are still able to access other devices. Exclude timesyncd and timedated.
48 lines
1.6 KiB
SYSTEMD
48 lines
1.6 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=Journal Service
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Documentation=man:systemd-journald.service(8) man:journald.conf(5)
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DefaultDependencies=no
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Requires=systemd-journald.socket
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After=systemd-journald.socket systemd-journald-dev-log.socket systemd-journald-audit.socket syslog.socket
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Before=sysinit.target
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[Service]
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CapabilityBoundingSet=CAP_SYS_ADMIN CAP_DAC_OVERRIDE CAP_SYS_PTRACE CAP_SYSLOG CAP_AUDIT_CONTROL CAP_AUDIT_READ CAP_CHOWN CAP_DAC_READ_SEARCH CAP_FOWNER CAP_SETUID CAP_SETGID CAP_MAC_OVERRIDE
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DeviceAllow=char-* rw
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ExecStart=@rootlibexecdir@/systemd-journald
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FileDescriptorStoreMax=4224
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IPAddressDeny=any
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LockPersonality=yes
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MemoryDenyWriteExecute=yes
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NoNewPrivileges=yes
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OOMScoreAdjust=-250
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ProtectClock=yes
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Restart=always
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RestartSec=0
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RestrictAddressFamilies=AF_UNIX AF_NETLINK
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RestrictNamespaces=yes
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RestrictRealtime=yes
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RestrictSUIDSGID=yes
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RuntimeDirectory=systemd/journal
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RuntimeDirectoryPreserve=yes
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Sockets=systemd-journald.socket systemd-journald-dev-log.socket systemd-journald-audit.socket
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StandardOutput=null
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SystemCallArchitectures=native
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SystemCallErrorNumber=EPERM
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SystemCallFilter=@system-service
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Type=notify
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@SERVICE_WATCHDOG@
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# If there are many split up journal files we need a lot of fds to access them
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# all in parallel.
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LimitNOFILE=@HIGH_RLIMIT_NOFILE@
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