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/grub Secret

Created September 24, 2016 15:25
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grub
#default /etc/default/grub
#can be first or second, first has no GRUB_CMDLINE_LINUX_DEFAULT
GRUB_TIMEOUT=5
GRUB_DISTRIBUTOR="$(sed 's, release .*$,,g' /etc/system-release)"
GRUB_DEFAULT=saved
GRUB_DISABLE_SUBMENU=true
GRUB_TERMINAL_OUTPUT="console"
GRUB_CMDLINE_LINUX="rd.lvm.lv=fedora/root rd.lvm.lv=fedora/swap rhgb quiet"
GRUB_DISABLE_RECOVERY="true"
#second example
GRUB_TIMEOUT=5
GRUB_DISTRIBUTOR="$(sed 's, release .*$,,g' /etc/system-release)"
GRUB_DEFAULT=saved
GRUB_DISABLE_SUBMENU=true
GRUB_TERMINAL_OUTPUT="console"
GRUB_CMDLINE_LINUX="rd.lvm.lv=fedora/root rd.lvm.lv=fedora/swap rhgb quiet"
GRUB_CMDLINE_LINUX_DEFAULT="intel_iommu=off"
GRUB_DISABLE_RECOVERY="true"
# we want to merge
GRUB_CMDLINE_LINUX_DEFAULT="intel_iommu=on isolcpu=1-15,17-31 nohz_full=1-15,17-31"
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