Linux · Linux Kernel & Modules

Why must a CPU microcode update be re-applied on every single boot instead of being flashed permanently into the chip?

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A driver is clearly working but its module name never appears in lsmod output. What is the most likely explanation?

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Why does each installed kernel version get its own separate module directory, and how do you find the right one for the running kernel?

You need to load a module by name and want its dependencies pulled in automatically. Do you reach for insmod or modprobe, and why does the distinction matter?

How do you find out which kernel module is actually driving a given PCI device versus which modules are merely available for it?

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