Tomster/Arch-Setup-Script
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Use rd.luks.name

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Signed-off-by: Tommy <contact@tommytran.io>
This commit is contained in:
Tommy 2024-05-31 04:39:10 -07:00
parent dcbae1fd2d
commit 541d48f9ea
Signed by: Tomster
GPG Key ID: 555C902A34EC968F
1 changed files with 2 additions and 2 deletions
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install.sh
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@ -327,7 +327,6 @@ sed -i 's/#COMPRESSION="zstd"/COMPRESSION="zstd"/g' /mnt/etc/mkinitcpio.conf
sed -i 's/^HOOKS=.*/HOOKS=(systemd autodetect microcode modconf kms keyboard sd-vconsole block sd-encrypt filesystems)/g' /mnt/etc/mkinitcpio.conf
## Enable LUKS in GRUB and setting the UUID of the LUKS container.
UUID=$(blkid $cryptroot | cut -f2 -d'"')
sed -i 's/#GRUB_ENABLE_CRYPTODISK=.*/GRUB_ENABLE_CRYPTODISK=y/g' /mnt/etc/default/grub
echo '' >> /mnt/etc/default/grub
echo '# Booting with BTRFS subvolume
@ -336,7 +335,8 @@ sed -i 's/rootflags=subvol=${rootsubvol}//g' /mnt/etc/grub.d/10_linux
sed -i 's/rootflags=subvol=${rootsubvol}//g' /mnt/etc/grub.d/20_linux_xen
## Kernel hardening
sed -i "s#quiet#cryptdevice=UUID=${UUID}:cryptroot root=${BTRFS} mitigations=auto,nosmt spectre_v2=on spectre_bhi=on spec_store_bypass_disable=on tsx=off kvm.nx_huge_pages=force nosmt=force l1d_flush=on spec_rstack_overflow=safe-ret gather_data_sampling=force reg_file_data_sampling=on random.trust_bootloader=off random.trust_cpu=off intel_iommu=on amd_iommu=force_isolation efi=disable_early_pci_dma iommu=force iommu.passthrough=0 iommu.strict=1 slab_nomerge init_on_alloc=1 init_on_free=1 pti=on vsyscall=none ia32_emulation=0 page_alloc.shuffle=1 randomize_kstack_offset=on debugfs=off lockdown=confidentiality module.sig_enforce=1#g" /mnt/etc/default/grub
UUID=$(blkid -s UUID -o value "${cryptroot}")
sed -i "s#quiet#rd.luks.name=${UUID}=cryptroot root=${BTRFS} mitigations=auto,nosmt spectre_v2=on spectre_bhi=on spec_store_bypass_disable=on tsx=off kvm.nx_huge_pages=force nosmt=force l1d_flush=on spec_rstack_overflow=safe-ret gather_data_sampling=force reg_file_data_sampling=on random.trust_bootloader=off random.trust_cpu=off intel_iommu=on amd_iommu=force_isolation efi=disable_early_pci_dma iommu=force iommu.passthrough=0 iommu.strict=1 slab_nomerge init_on_alloc=1 init_on_free=1 pti=on vsyscall=none ia32_emulation=0 page_alloc.shuffle=1 randomize_kstack_offset=on debugfs=off lockdown=confidentiality module.sig_enforce=1#g" /mnt/etc/default/grub
## Add keyfile to the initramfs to avoid double password.
dd bs=512 count=4 if=/dev/random of=/mnt/cryptkey/.root.key iflag=fullblock &>/dev/null