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encrypted-lvm-mbr.md

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Arch Linux

Installation procedure (lvm, mbr):

  1. Use wifi-menu to connect to network

  2. Visit https://www.archlinux.org/mirrorlist/ on another computer, generate mirrorlist

  3. Edit /etc/pacman.d/mirrorlist on the Arch computer and paste the faster servers

  4. Update package indexes: # pacman -Syyy

  5. Create boot partition:

    # fdisk /dev/sda

    * o
* n
* p
* 1
* enter
* +500M
* t
* a
* n
* p
* 2
* enter
* enter
* t
* 2
* 8E
* w

  6. # mkfs.ext2 /dev/sda1

  7. Set up encryption

    • # cryptsetup luksFormat /dev/sda2
    • # cryptsetup open --type luks /dev/sda2 lvm

  8. Set up lvm:

    • Non-SSD: # pvcreate /dev/mapper/lvm
    • SSD: # pvcreate --dataalignment 1m /dev/mapper/lvm
    • # vgcreate volgroup0 /dev/mapper/lvm
    • # lvcreate -l 100%FREE volgroup0 -n root
    • # modprobe dm_mod
    • # vgscan
    • # vgchange -ay

  9. # mkfs.ext4 /dev/volgroup0/root

  10. # mount /dev/volgroup0/root /mnt

  11. # mkdir /mnt/boot

  12. # mount /dev/sda1 /mnt/boot

  13. # pacstrap -i /mnt base base-devel

  14. # genfstab -U -p /mnt >> /mnt/etc/fstab

  15. # arch-chroot /mnt

  16. # pacman -S nano grub-bios os-prober linux linux-headers mkinitcpio lvm2 network-manager-applet networkmanager networkmanager-openvpn wireless_tools wpa_supplicant

  17. Edit /etc/mkinitcpio.conf and add encrypt and lvm2 in between block and filesystems

  18. # mkinitcpio -p linux

  19. # nano /etc/locale.gen (uncomment en_US.UTF-8)

  20. # locale-gen

  21. # ln -s /usr/share/zoneinfo/Asia/Kolkata /etc/localtime

  22. # hwclock --systohc --utc

  23. # passwd (for root)

  24. Edit /etc/default/grub: add cryptdevice=<PARTUUID>:volgroup0 to the GRUB_CMDLINE_LINUX_DEFAULT line If using standard device naming, the option will look like this: cryptdevice=/dev/sda2:volgroup0

  25. # grub-install --target=i386-pc --recheck /dev/sda

  26. # cp /usr/share/locale/en\@quot/LC_MESSAGES/grub.mo /boot/grub/locale/en.mo

  27. # grub-mkconfig -o /boot/grub/grub.cfg

  28. Create swap file:

    • # fallocate -l 2G /swapfile
    • # chmod 600 /swapfile
    • # mkswap /swapfile
    • # echo '/swapfile none swap sw 0 0' | tee -a /etc/fstab

  29. $ exit

  30. # umount /mnt/home

  31. # umount /mnt

  32. # reboot