Lsmod Command in Linux (List Kernel Modules)

1. How do I list all kernel modules?
2. How do I see which kernel modules are installed?
3. Which utility can list a module in the kernel?
4. How do I see what modules are installed on Linux?
5. How do I list all modules in Linux?
6. How do I list all drivers in Linux?
7. How do I know my current kernel?
8. How do I find my devel kernel version?
9. How do I change kernel?
10. How do I run a kernel module?
11. What is the name of the kernel module?
12. How do I know if kernel module is enabled?

How do I list all kernel modules?

modprobe is an intelligent command for listing, inserting as well as removing modules from the kernel. It searches in the module directory /lib/modules/$(uname -r) for all the modules and related files, but excludes alternative configuration files in the /etc/modprobe. d directory.

How do I see which kernel modules are installed?

To check which kernel is currently running on your system, use the uname command with the “release” or -r switch. This will output the kernel version (release) number.

Which utility can list a module in the kernel?

lsmod is a command-line utility that displays information about the loaded Linux kernel modules.

How do I see what modules are installed on Linux?

With the command: depmod -av|grep MOD_NAME , your system will generate the modules.
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5 Answers

1. By default modprobe loads modules from kernel subdirectories located in the /lib/modules/$(uname -r) directory. ...
2. Each module can be also loaded by referring to its aliases, stored in the /lib/modules/$(uname -r)/modules.

How do I list all modules in Linux?

The easiest way to list modules is with the lsmod command. While this command provides a lot of detail, this is the most user-friendly output. In the output above: "Module" shows the name of each module.

How do I list all drivers in Linux?

Under Linux use the file /proc/modules shows what kernel modules (drivers) are currently loaded into memory.

How do I know my current kernel?

To check Linux Kernel version, try the following commands:

1. uname -r : Find Linux kernel version.
2. cat /proc/version : Show Linux kernel version with help of a special file.
3. hostnamectl | grep Kernel : For systemd based Linux distro you can use hotnamectl to display hostname and running Linux kernel version.

How do I find my devel kernel version?

On Debian, Ubuntu and their derivatives, all kernel header files can be found under /usr/src directory. You can check if the matching kernel headers for your kernel version are already installed on your system using the following command.

How do I change kernel?

How to switch kernels on Arch Linux

1. Step 1: Install the kernel of your choice. You can use the pacman command to install the Linux kernel of your choice. ...
2. Step 2: Tweak the grub configuration file to add more kernel options. By default, Arch Linux uses the latest kernel version as the default. ...
3. Step 3: Re-generate the GRUB configuration file.

How do I run a kernel module?

The procedure to compile and run a kernel module is as follows:

1. Modify the makefile by replacing every occurrence of helloWorld and kernelRead by the names of the modules you wish to create.
2. compile the modules by running make in the directory where the modules reside. ...
3. Now become superuser by typing.

What is the name of the kernel module?

In computing, a loadable kernel module (LKM) is an object file that contains code to extend the running kernel, or so-called base kernel, of an operating system. LKMs are typically used to add support for new hardware (as device drivers) and/or filesystems, or for adding system calls.

How do I know if kernel module is enabled?

Load a module

Instead, use the modprobe command followed by the kernel module name. modprobe attempts to load the module from /lib/modules/<kernel-version>/kernel/drivers/ . This command will automatically check for module dependencies and load those drivers first before loading the specified module.