8 lines
No EOL
563 B
Markdown
8 lines
No EOL
563 B
Markdown
# Linux kernel
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| Commands | What it does |
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| sudo update-initramfs -c -k *kernelversion* | Generate a new initramfs image with version |
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| sudo kernelstub -a "maxcpus=2" | Support disabling cores in the BIOS |
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| sudo kernelstub -a "nvme_core.default_ps_max_latency_us=####" | [Change NVMe wake-up times](https://wiki.archlinux.org/title/Solid_state_drive/NVMe#Power_Saving_(APST)) |
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| sudo kernelstub -a "intel_idle.max_cstate=4" | [Change Intel C-State Level](https://www.kernel.org/doc/html/latest/admin-guide/pm/intel_idle.html) | |