36 lines
993 B
INI
36 lines
993 B
INI
%post --erroronfail
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# Source common functions
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. /tmp/ks-functions.sh
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## Custom kernel options
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KERN_OPTS=" intel_iommu=off usbcore.autosuspend=-1"
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## Add kernel options to ensure an selinux is disabled
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KERN_OPTS="${KERN_OPTS} selinux=0 enforcing=0"
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# Add kernel options to ensure NMI watchdog is enabled, if supported
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KERN_OPTS="${KERN_OPTS} nmi_watchdog=panic,1 softlockup_panic=1"
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# Add kernel option to disable biosdevname if enabled
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# As this may already be in GRUB_CMDLINE_LINUX, only add if it is not already present
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grep -q '^GRUB_CMDLINE_LINUX=.*biosdevname=0' /etc/default/grub
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if [ $? -ne 0 ]; then
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KERN_OPTS="${KERN_OPTS} biosdevname=0"
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fi
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KERN_OPTS="${KERN_OPTS} cgroup_disable=memory"
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# spectre options
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KERN_OPTS="${KERN_OPTS} nopti nospectre_v2"
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perl -pi -e 's/(GRUB_CMDLINE_LINUX=.*)\"/\1'"$KERN_OPTS"'\"/g' /etc/default/grub
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if [ -d /sys/firmware/efi ] ; then
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grub2-mkconfig -o /boot/efi/EFI/centos/grub.cfg
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else
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grub2-mkconfig -o /boot/grub2/grub.cfg
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fi
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%end
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