1.9 KiB
kmod
Multi-call executable that implements: lsmod, insmod, rmmod, and other tools.
BusyBox also implements its own version of those executables.
Source: https://git.kernel.org/pub/scm/utils/kernel/kmod/kmod.git
The other tools are just symlinks to it.
module-init-tools
Name of a predecessor set of tools.
package version
From any of the commands, --version:
modinfo --version
Package that provides utilities
lsmod
List loaded kernel modules.
Info is taken from /proc/modules
lsmod
Sample output:
cfg80211 175574 2 rtlwifi,mac80211
^^^^^^^^ ^^^^^^ ^ ^^^^^^^,^^^^^^^^
1 2 3 4 5
-
Name.
-
Size.
-
Number of running instances.
If negative, TODO
-
Depends on 1.
-
Depends on 2.
To get more info:
cat /proc/modules
Also contains two more columns:
- status: Live, Loading or Unloading
- memory offset: 0x129b0000
modinfo
Get info about a module by filename or by module name:
modinfo ./a.ko
modinfo a
TODO must take a .ko file?
insmod
sudo insmod hello.ko
Loads the module.
Does not check for dependencies.
rmmod
Remove a module. Takes either the module name or the .ko file:
sudo rmmod hello
sudo rmmod ./hello.ko
modprobe
Vs insmod:
- https://askubuntu.com/questions/20070/whats-the-difference-between-insmod-and-modprobe
- https://stackoverflow.com/questions/22891705/whats-the-difference-between-insmod-and-modprobe
List available modules relative path to /lib/modules/$KERNEL_VERSION/:
sudo modprobe -l
Load the module:
sudo modprobe $m
Checks for dependencies.
Load module under different name to avoid conflicts:
sudo modprobe vmhgfs -o vm_hgfs
Remove module:
sudo modprobe -r $m
Check if dependencies are OK:
sudo depmod -a
Get info about given .ko module file:
m=a
sudo rmmod $m