alt Hacker Newshttps://github.com/intel/intel-linux-processor-microcode-dat...
$ echo 1 > /sys/devices/system/cpu/microcode/reload
https://github.com/intel/intel-linux-processor-microcode-dat...
$ echo 1 > /sys/devices/system/cpu/microcode/reload
of course, it's hot-swap material, the microcode is 1st deployed by the bios, then the OS can apply changes as well.
Just that it's writable by $ (not #) feels awkward.