1.\" 2.\" Copyright (c) 2001 Peter Pentchev 3.\" All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright 9.\" notice, this list of conditions and the following disclaimer. 10.\" 2. Redistributions in binary form must reproduce the above copyright 11.\" notice, this list of conditions and the following disclaimer in the 12.\" documentation and/or other materials provided with the distribution. 13.\" 14.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24.\" SUCH DAMAGE. 25.\" 26.\" $FreeBSD$ 27.\" 28.Dd April 27, 2017 29.Dt KLDCONFIG 8 30.Os 31.Sh NAME 32.Nm kldconfig 33.Nd display or modify the kernel module search path 34.Sh SYNOPSIS 35.Nm 36.Op Fl dfimnUv 37.Op Fl S Ar sysctlname 38.Op Ar path ... 39.Nm 40.Fl r 41.Sh DESCRIPTION 42The 43.Nm 44utility 45displays or modifies the search path used by the kernel when loading modules 46using the 47.Xr kldload 8 48utility or the 49.Xr kldload 2 50syscall. 51.Pp 52The following options are available: 53.Bl -tag -width indent 54.It Fl d 55Remove the specified paths from the module search path. 56.It Fl f 57Do not display a diagnostic message if a path specified for adding is 58already present in the search path, or if a path specified for removing 59is not present in the search path. 60This may be useful in startup/shutdown scripts for adding a path to 61a file system which is still not mounted, or in shutdown scripts for 62unconditionally removing a path that may have been added during startup. 63.It Fl i 64Add the specified paths to the beginning of the search path, not to the end. 65This option can only be used when adding paths. 66.It Fl m 67Instead of replacing the module search path with the set of paths 68specified, 69.Dq merge 70in the new entries. 71.It Fl n 72Do not actually change the module search path. 73.It Fl r 74Display the current search path. 75This option cannot be used if any paths are also specified. 76.It Fl S Ar sysctlname 77Specify the sysctl name to use instead of the default 78.Va kern.module_path . 79.It Fl U 80.Dq Unique-ify 81the current search path - if any of the directories is repeated one 82or more times, only the first occurrence remains. 83This option implies 84.Fl m . 85.It Fl v 86Verbose output: display the new module search path. 87If the path has been changed, and the 88.Fl v 89flag is specified more than once, the old path is displayed as well. 90.El 91.Sh FILES 92.Bl -tag -width indent 93.It Pa /boot/kernel , /boot/modules , /modules 94The default module search path used by the kernel. 95.El 96.Sh EXIT STATUS 97.Ex -std 98.Sh SEE ALSO 99.Xr kldload 2 , 100.Xr kldload 8 , 101.Xr kldxref 8 , 102.Xr sysctl 8 103.Sh HISTORY 104The 105.Nm 106utility first appeared in 107.Fx 4.4 . 108.Sh AUTHORS 109.An Peter Pentchev Aq Mt roam@FreeBSD.org 110