How do I load a kernel module automatically at boot time?

How do I load a kernel module automatically at boot time?

1 Answer

1. Edit the /etc/modules file and add the name of the module (without the . ko extension) on its own line.
2. Copy the module to a suitable folder in /lib/modules/`uname -r`/kernel/drivers .
3. Run depmod .
4. At this point, I rebooted and then run lsmod | grep module-name to confirm that the module was loaded at boot.

Does modprobe survive reboot?

No, they won’t. After rebooting, you begin from scratch. Normally, for modules that you want loaded after every reboot, there’s a configuration file listing modules to be auto-loaded at boot time.

How do you stop a module from loading?

[ step1 ] First we unload the module from the running system if it is loaded. [ step2 ] To prevent a module from being loaded directly you add the blacklist line to a configuration file specific to the system configuration — for example /etc/modprobe.

What does module load do?

Basically, the module command modifies your environment so that the path and other variables are set so that you can use a program such as gcc, matlab, or mathematica.

What is modprobe Br_netfilter?

Since Linux kernel 3.18-rc1, you have to modprobe br_netfilter to enable bridge-netfilter. The bridge-netfilter code enables the following functionality: {Ip,Ip6,Arp}tables can filter bridged IPv4/IPv6/ARP packets, even when encapsulated in an 802.1Q VLAN or PPPoE header.

How do I install modprobe blacklist?

To blacklist a kernel module, edit the /etc/modprobe. d/blacklist. conf file and add a line that says “blacklist “. Here’s an example that you might find in your current blacklist.

How to load custom module at the boot time in Ubuntu?

How to load a custom module at the boot time in Ubuntu? I created a custom and simple module named Hello.ko I install the module with the command ” insmod hello.ko “, I check it with “dmesg” and it’s working, but when I restart the system, I have to load it manually.

How to load a kernel module automatically at boot time?

It appears that with Ubuntu there is a configuration file called /etc/modules which lists the names of modules to be loaded at boot time. If so then that might be a better place to put the 8021q module name. rc.local tends to be used for “local” after thoughts – anything unusual that needs to be done for that one host.

How to load a custom module in Linux?

Add the simple name of my module to the file /etc/modules. You can edit the file or just append to it as shown here. Update the list of module dependencies. Reboot the computer and voila, it worked. Add the module to the /etc/modules file. And then put the module in your /lib/modules/kernelname catalogue.

Do you need a module to boot Linux?

These days udev used for for automatic module handling. There is no need to put modules in any configuration file as udev takes care of it. However, sometimes you still need add an extra module during the boot process, or blacklist another one for your Linux laptop or server to function correctly.