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# 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=Journal Service
Documentation=man:systemd-journald.service(8) man:journald.conf(5)
DefaultDependencies=no
Requires=systemd-journald.socket
After=systemd-journald.socket systemd-journald-dev-log.socket systemd-journald-audit.socket syslog.socket
Before=sysinit.target
# To avoid journald SIGKILLed during soft-reboot and corrupting journals.
# See https://github.com/systemd/systemd/issues/30195
# Note, typically soft-reboot.target will be never reached,
# and systemd-soft-reboot.service will trigger soft-reboot.
# Hence, this must be stopped before systemd-soft-reboot.service.
Before=soft-reboot.target systemd-soft-reboot.service
Conflicts=soft-reboot.target
# Mount and swap units need the journal socket units. If they were removed by
# an isolate request the mount and swap units would be removed too, hence let's
# exclude systemd-journald and its sockets from isolate requests.
IgnoreOnIsolate=yes
[Service]
DeviceAllow=char-* rw
ExecStart={{LIBEXECDIR}}/systemd-journald
FileDescriptorStoreMax=4224
ImportCredential=journal.*
IPAddressDeny=any
LockPersonality=yes
MemoryDenyWriteExecute=yes
NoNewPrivileges=yes
OOMScoreAdjust=-250
ProtectClock=yes
Restart=always
RestartSec=0
RestrictAddressFamilies=AF_UNIX AF_NETLINK AF_VSOCK AF_INET AF_INET6
RestrictNamespaces=yes
RestrictRealtime=yes
RestrictSUIDSGID=yes
RuntimeDirectory=systemd/journal
RuntimeDirectoryPreserve=yes
# Audit socket is not listed here because this unit can be turned off. However
# the link between the socket and the service units is still created thanks to
# the 'Service=' setting specified in the socket unit.
Sockets=systemd-journald.socket systemd-journald-dev-log.socket
StandardOutput=null
SystemCallArchitectures=native
SystemCallErrorNumber=EPERM
SystemCallFilter=@system-service
Type=notify
PassEnvironment=TERM
{{SERVICE_WATCHDOG}}
# In case you're wondering why CAP_SYS_PTRACE is needed, access to
# /proc/<pid>/exe requires this capability. Thus if this capability is missing
# the _EXE=/OBJECT_EXE= fields will be missing from the journal entries.
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
# If there are many split up journal files we need a lot of fds to access them
# all in parallel.
LimitNOFILE={{HIGH_RLIMIT_NOFILE}}
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