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+'\" t
+.TH "SYSTEMD\-SYSCTL\&.SERVICE" "8" "" "systemd 254" "systemd-sysctl.service"
+.\" -----------------------------------------------------------------
+.\" * Define some portability stuff
+.\" -----------------------------------------------------------------
+.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+.\" http://bugs.debian.org/507673
+.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
+.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+.ie \n(.g .ds Aq \(aq
+.el       .ds Aq '
+.\" -----------------------------------------------------------------
+.\" * set default formatting
+.\" -----------------------------------------------------------------
+.\" disable hyphenation
+.nh
+.\" disable justification (adjust text to left margin only)
+.ad l
+.\" -----------------------------------------------------------------
+.\" * MAIN CONTENT STARTS HERE *
+.\" -----------------------------------------------------------------
+.SH "NAME"
+systemd-sysctl.service, systemd-sysctl \- Configure kernel parameters at boot
+.SH "SYNOPSIS"
+.HP \w'\fB/usr/lib/systemd/systemd\-sysctl\fR\ 'u
+\fB/usr/lib/systemd/systemd\-sysctl\fR [OPTIONS...] [\fICONFIGFILE\fR...]
+.PP
+systemd\-sysctl\&.service
+.SH "DESCRIPTION"
+.PP
+systemd\-sysctl\&.service
+is an early boot service that configures
+\fBsysctl\fR(8)
+kernel parameters by invoking
+\fB/usr/lib/systemd/systemd\-sysctl\fR\&.
+.PP
+When invoked with no arguments,
+\fB/usr/lib/systemd/systemd\-sysctl\fR
+applies all directives from configuration files listed in
+\fBsysctl.d\fR(5)\&. If one or more filenames are passed on the command line, only the directives in these files are applied\&.
+.PP
+In addition,
+\fB\-\-prefix=\fR
+option may be used to limit which sysctl settings are applied\&.
+.PP
+See
+\fBsysctl.d\fR(5)
+for information about the configuration of sysctl settings\&. After sysctl configuration is changed on disk, it must be written to the files in
+/proc/sys/
+before it takes effect\&. It is possible to update specific settings, or simply to reload all configuration, see Examples below\&.
+.SH "OPTIONS"
+.PP
+\fB\-\-prefix=\fR
+.RS 4
+Only apply rules with the specified prefix\&.
+.RE
+.PP
+\fB\-\-strict=\fR
+.RS 4
+Always return non\-zero exit code on failure (including invalid sysctl variable name and insufficient permissions), unless the sysctl variable name is prefixed with a "\-" character\&.
+.RE
+.PP
+\fB\-\-cat\-config\fR
+.RS 4
+Copy the contents of config files to standard output\&. Before each file, the filename is printed as a comment\&.
+.RE
+.PP
+\fB\-\-no\-pager\fR
+.RS 4
+Do not pipe output into a pager\&.
+.RE
+.PP
+\fB\-h\fR, \fB\-\-help\fR
+.RS 4
+Print a short help text and exit\&.
+.RE
+.PP
+\fB\-\-version\fR
+.RS 4
+Print a short version string and exit\&.
+.RE
+.SH "CREDENTIALS"
+.PP
+\fBsystemd\-sysctl\fR
+supports the service credentials logic as implemented by
+\fIImportCredential=\fR/\fILoadCredential=\fR/\fISetCredential=\fR
+(see
+\fBsystemd.exec\fR(1)
+for details)\&. The following credentials are used when passed in:
+.PP
+\fIsysctl\&.extra\fR
+.RS 4
+The contents of this credential may contain additional lines to operate on\&. The credential contents should follow the same format as any other
+sysctl\&.d/
+drop\-in configuration file\&. If this credential is passed it is processed after all of the drop\-in files read from the file system\&. The settings configured in the credential hence take precedence over those in the file system\&.
+.RE
+.PP
+Note that by default the
+systemd\-sysctl\&.service
+unit file is set up to inherit the
+"sysctl\&.extra"
+credential from the service manager\&.
+.SH "EXAMPLES"
+.PP
+\fBExample\ \&1.\ \&Reset all sysctl settings\fR
+.sp
+.if n \{\
+.RS 4
+.\}
+.nf
+systemctl restart systemd\-sysctl
+.fi
+.if n \{\
+.RE
+.\}
+.PP
+\fBExample\ \&2.\ \&View coredump handler configuration\fR
+.sp
+.if n \{\
+.RS 4
+.\}
+.nf
+# sysctl kernel\&.core_pattern
+kernel\&.core_pattern = |/usr/libexec/abrt\-hook\-ccpp %s %c %p %u %g %t %P %I
+.fi
+.if n \{\
+.RE
+.\}
+.PP
+\fBExample\ \&3.\ \&Update coredump handler configuration\fR
+.sp
+.if n \{\
+.RS 4
+.\}
+.nf
+# /usr/lib/systemd/systemd\-sysctl \-\-prefix kernel\&.core_pattern
+.fi
+.if n \{\
+.RE
+.\}
+.PP
+This searches all the directories listed in
+\fBsysctl.d\fR(5)
+for configuration files and writes
+/proc/sys/kernel/core_pattern\&.
+.PP
+\fBExample\ \&4.\ \&Update coredump handler configuration according to a specific file\fR
+.sp
+.if n \{\
+.RS 4
+.\}
+.nf
+# /usr/lib/systemd/systemd\-sysctl 50\-coredump\&.conf
+.fi
+.if n \{\
+.RE
+.\}
+.PP
+This applies all the settings found in
+50\-coredump\&.conf\&. Either
+/etc/sysctl\&.d/50\-coredump\&.conf, or
+/run/sysctl\&.d/50\-coredump\&.conf, or
+/usr/lib/sysctl\&.d/50\-coredump\&.conf
+will be used, in the order of preference\&.
+.PP
+See
+\fBsysctl\fR(8)
+for various ways to directly apply sysctl settings\&.
+.SH "SEE ALSO"
+.PP
+\fBsystemd\fR(1),
+\fBsysctl.d\fR(5),
+\fBsysctl\fR(8)