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a18449b5bd
ProtectHostname= turns off hostname change propagation from host to service. This means for services that care about the hostname and need to be able to notice changes to it it's not suitable (though it is useful for most other cases still). Let's turn it off hence for journald (which logs the current hostname) for networkd (which optionally sends the current hostname to dhcp servers) and resolved (which announces the current hostname via llmnr/mdns).
42 lines
1.4 KiB
SYSTEMD
42 lines
1.4 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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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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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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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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WatchdogSec=3min
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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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