What is kernel?

What is kernel module?

Initial setup for debugging

Commands about kernel modules

• lsmod # List loaded kernel modules
• modinfo <module_name> # Show information about a kernel module
• insmod <module_name> # Load a kernel module
• rmmod <module_name> # Unload a kernel module
• dmesg <module_name> # Show messages from a kernel module
• dmesg -W # wait for new messages
• dmesg -w # Show all pass messages from a kernel module and wait for new messages
• modprobe <module_name> # Load a kernel module and its dependencies