To load a USB driver in Linux, you can use the modprobe command. This command allows you to load and unload kernel modules, which are drivers for hardware devices such as USB devices.
To load a USB driver, you will need to know the name of the driver module. You can use the lsmod command to list all currently loaded kernel modules, which may include USB drivers.
For example, to list all currently loaded kernel modules, you can use the following command:
$ lsmod
This will display a list of all currently loaded kernel modules, including their names and sizes.
Once you know the name of the USB driver module that you want to load, you can use the modprobe command to load it.
For example, to load the USB driver module usb_storage, you can use the following command:
$ modprobe usb_storage
This will load the usb_storage module, which allows the system to communicate with USB storage devices such as external hard drives and USB drives.
You can also use the insmod command to load a USB driver. This command is similar to modprobe, but it allows you to specify the path to the driver module file.
For example, to load the USB driver module usb_storage, you can use the following command:
$ insmod /path/to/usb_storage.ko
This will load the usb_storage module from the specified path.
You can also use the modprobe or insmod command with the -v option to display verbose output, which may include additional information about the driver module and the loading process.
For example:
$ modprobe -v usb_storage
This will load the usb_storage module and display verbose output about the loading process.
Finally, you can use the modprobe or insmod command with the -f option to force the loading of the driver module, even if it is already loaded. This can be useful if you need to reload the module for some reason.
For example:
$ modprobe -f usb_storage
This will force the loading of the usb_storage module.