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thomsh/kernel-settings-for-desktop.sh

Last active July 15, 2020 02:01
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Desktop kernel settings WIP
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kernel-settings-for-desktop.sh
#!/usr/bin/env bash
# Enable all sysrq https://www.kernel.org/doc/html/latest/admin-guide/sysrq.html
sysctl -w kernel.sysrq=1 # 1 mean all
# Ask the kernel to keep 3% of the ram free
sysctl -w vm.min_free_kbytes="$(grep '^MemTotal:' /proc/meminfo |awk '{print int($2*0.03)}')"
# Ask the kernel to keep 3% of the ram for admin things
sysctl -w vm.admin_reserve_kbytes="$(grep '^MemTotal:' /proc/meminfo |awk '{print int($2*0.03)}')"
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