-a, --all
Insert all module names on the command line.
-b, --use-blacklist
This option causes modprobe to apply the blacklist commands in the configuration files (if any) to
module names as well. It is usually used by udev(7).
-Cdirectory, --config=directory
This option overrides the default configuration directory. See modprobe.d(5).
This option is passed through install or remove commands to other modprobe commands in the
MODPROBE_OPTIONS environment variable.
-c, --showconfig
Dump out the effective configuration from the config directory and exit.
--dump-modversions
Print out a list of module versioning information required by a module. This option is commonly used
by distributions in order to package up a Linux kernel module using module versioning deps.
-d, --dirname
Root directory for modules, / by default.
--first-time
Normally, modprobe will succeed (and do nothing) if told to insert a module which is already present
or to remove a module which isn't present. This is ideal for simple scripts; however, more
complicated scripts often want to know whether modprobe really did something: this option makes
modprobe fail in the case that it actually didn't do anything.
--force-vermagic
Every module contains a small string containing important information, such as the kernel and
compiler versions. If a module fails to load and the kernel complains that the "version magic"
doesn't match, you can use this option to remove it. Naturally, this check is there for your
protection, so using this option is dangerous unless you know what you're doing.
This applies to any modules inserted: both the module (or alias) on the command line and any modules
on which it depends.
--force-modversion
When modules are compiled with CONFIG_MODVERSIONS set, a section detailing the versions of every
interfaced used by (or supplied by) the module is created. If a module fails to load and the kernel
complains that the module disagrees about a version of some interface, you can use --force-modversion
to remove the version information altogether. Naturally, this check is there for your protection, so
using this option is dangerous unless you know what you're doing.
This applies to any modules inserted: both the module (or alias) on the command line and any modules
on which it depends.
-f, --force
Try to strip any versioning information from the module which might otherwise stop it from loading:
this is the same as using both --force-vermagic and --force-modversion. Naturally, these checks are
there for your protection, so using this option is dangerous unless you know what you are doing.
This applies to any modules inserted: both the module (or alias) on the command line and any modules
on which it depends.
-i, --ignore-install, --ignore-remove
This option causes modprobe to ignore install and remove commands in the configuration file (if any)
for the module specified on the command line (any dependent modules are still subject to commands set
for them in the configuration file). Both install and remove commands will currently be ignored when
this option is used regardless of whether the request was more specifically made with only one or
other (and not both) of --ignore-install or --ignore-remove. See modprobe.d(5).
-n, --dry-run, --show
This option does everything but actually insert or delete the modules (or run the install or remove
commands). Combined with -v, it is useful for debugging problems. For historical reasons both --dry-run and --show actually mean the same thing and are interchangeable.
-q, --quiet
With this flag, modprobe won't print an error message if you try to remove or insert a module it
can't find (and isn't an alias or install/remove command). However, it will still return with a non-
zero exit status. The kernel uses this to opportunistically probe for modules which might exist using
request_module.
-R, --resolve-alias
Print all module names matching an alias. This can be useful for debugging module alias problems.
-r, --remove
This option causes modprobe to remove rather than insert a module. If the modules it depends on are
also unused, modprobe will try to remove them too. Unlike insertion, more than one module can be
specified on the command line (it does not make sense to specify module parameters when removing
modules).
There is usually no reason to remove modules, but some buggy modules require it. Your distribution
kernel may not have been built to support removal of modules at all.
-wTIMEOUT_MSEC, --wait=TIMEOUT_MSEC
This option causes modprobe-r to continue trying to remove a module if it fails due to the module
being busy, i.e. its refcount is not 0 at the time the call is made. Modprobe tries to remove the
module with an incremental sleep time between each tentative up until the maximum wait time in
milliseconds passed in this option.
-Sversion, --set-version=version
Set the kernel version, rather than using uname(2) to decide on the kernel version (which dictates
where to find the modules).
--show-depends
List the dependencies of a module (or alias), including the module itself. This produces a (possibly
empty) set of module filenames, one per line, each starting with "insmod" and is typically used by
distributions to determine which modules to include when generating initrd/initramfs images. Install
commands which apply are shown prefixed by "install". It does not run any of the install commands.
Note that modinfo(8) can be used to extract dependencies of a module from the module itself, but
knows nothing of aliases or install commands.
-s, --syslog
This option causes any error messages to go through the syslog mechanism (as LOG_DAEMON with level
LOG_NOTICE) rather than to standard error. This is also automatically enabled when stderr is
unavailable.
This option is passed through install or remove commands to other modprobe commands in the
MODPROBE_OPTIONS environment variable.
-V, --version
Show version of program and exit.
-v, --verbose
Print messages about what the program is doing. Usually modprobe only prints messages if something
goes wrong.
This option is passed through install or remove commands to other modprobe commands in the
MODPROBE_OPTIONS environment variable.
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