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Update install.sh

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TommyTran732 2021-04-23 02:36:39 -04:00 committed by tommytran732
parent 09020c7f17
commit f134ddebd1
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1 changed files with 22 additions and 31 deletions
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install.sh
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@ -58,10 +58,10 @@ fi
# Creating a new partition scheme.
echo "Creating new partition scheme on $DISK."
parted -s $DISK \
parted -s "$DISK" \
mklabel gpt \
mkpart ESP fat32 1MiB 301MiB \
mkpart cryptroot 301MiB 100% \
mkpart ESP fat32 1MiB 101MiB \
mkpart Cryptroot 101MiB 100% \
ESP="/dev/disk/by-partlabel/ESP"
Cryptroot="/dev/disk/by-partlabel/cryptroot"
@ -91,21 +91,22 @@ echo "Creating BTRFS subvolumes."
btrfs su cr /mnt/@ &>/dev/null
btrfs su cr /mnt/@boot &>/dev/null
btrfs su cr /mnt/@home &>/dev/null
btrfs su cr /mnt/@var &>/dev/null
btrfs su cr /mnt/@snapshots &>/dev/null
btrfs su cr /mnt/@var_log &>/dev/null
# Mounting the newly created subvolumes.
umount /mnt
echo "Mounting the newly created subvolumes."
mount -o ssd,noatime,space_cache,compress=zstd,subvol=@ $BTRFS /mnt
mkdir -p /mnt/{home,var,boot}
mount -o ssd,noatime,space_cache,compress=zstd,subvol=@boot $BTRFS /mnt/boot
mount -o ssd,noatime,space_cache,compress=zstd,subvol=@home $BTRFS /mnt/home
mount -o ssd,noatime,space_cache,nodatacow,subvol=@var $BTRFS /mnt/var/
mkdir -p /mnt/boot/efi
mkdir -p /mnt/{home,.snapshots,/var/log,boot}
mount -o ssd,noatime,space_cache,compress=zstd:15,subvol=@boot $BTRFS /mnt/boot
mount -o ssd,noatime,space_cache.compress=zstd:15,subvol=@home $BTRFS /mnt/home
mount -o ssd,noatime,space_cache,compress=zstd:15,subvol=@snapshots $BTRFS /mnt/.snapshots
mount -o ssd,noatime,space_cache,nodatacow,subvol=@var_log $BTRFS /mnt/var/log
chattr +C /mnt/var/log
mkdir /mnt/boot/efi
mount $ESP /mnt/boot/efi
chattr +C /mnt/var
kernel_selector
# Pacstrap (setting up a base sytem onto the new root).
@ -157,6 +158,16 @@ cryptsetup -v luksAddKey /dev/disk/by-partlabel/cryptroot /mnt/.root.key
sed -i -e "s,quiet,quiet cryptdevice=UUID=$UUID:cryptroot root=$BTRFS cryptkey=rootfs:/.root.key,g" /mnt/etc/default/grub
sed -i 's#FILES=()#FILES=(/.root.key)#g' /mnt/etc/mkinitcpio.conf
# Security kernel settings.
echo "kernel.kptr_restrict = 2" > /mnt/etc/sysctl.d/51-kptr-restrict.conf
echo "kernel.kexec_load_disabled = 1" > /mnt/etc/sysctl.d/51-kexec-restrict.conf
cat << EOF >> /mnt/etc/sysctl.d/10-security.conf
fs.protected_hardlinks = 1
fs.protected_symlinks = 1
net.core.bpf_jit_harden = 2
kernel.yama.ptrace_scope = 3
EOF
# Configuring the system.
arch-chroot /mnt /bin/bash -e <<EOF
@ -210,26 +221,6 @@ sed -i 's/022/077/g' /mnt/etc/profile
echo "" >> /mnt/etc/bash.bashrc
echo "umask 077" >> /mnt/etc/bash.bashrc
#Security kernel settings
sudo bash -c 'cat > /mnt/etc/sysctl.d/51-dmesg-restrict.conf' <<-'EOF'
kernel.dmesg_restrict = 1
EOF
sudo bash -c 'cat > /mnt/etc/sysctl.d/51-kptr-restrict.conf' <<-'EOF'
kernel.kptr_restrict = 2
EOF
sudo bash -c 'cat > /mnt/etc/sysctl.d/51-kexec-restrict.conf' <<-'EOF'
kernel.kexec_load_disabled = 1
EOF
sudo bash -c 'cat > /mnt/etc/sysctl.d/10-security.conf' <<-'EOF'
fs.protected_hardlinks = 1
fs.protected_symlinks = 1
net.core.bpf_jit_harden = 2
kernel.yama.ptrace_scope = 3
EOF
#Blacklist Firewire SBP2
echo "blacklist firewire-sbp2" | sudo tee /mnt/etc/modprobe.d/blacklist.conf