This is how I set up my Arch Linux machines.

fstab

#<system>  <dir> <type> <options>                   <dump> <pass>
LABEL=boot /boot ext4   noatime,nodev,nosuid,noexec 0      2
LABEL=root /     ext4   noatime                     0      1
LABEL=var  /var  ext4   noatime,nodev,nosuid,noexec 0      2
LABEL=home /home ext4   noatime,nodev,nosuid        0      2

gistfile1.sh

systemctl enable gdm.service
systemctl enable ntpd.service
systemctl enable NetworkManager.service

gistfile2.txt

pacstrap /mnt adobe-source-code-pro-fonts bash coreutils e2fsprogs filesystem file-roller firefox gdm gnome-control-center gnome-keyring gnome-shell gnome-terminal gnome-tweak-tool git iproute2 iputils linux lm_sensors man-db nautilus ntp openssh pacman pciutils pkgstats procps-ng psmisc shadow smartmontools sudo sysfsutils syslinux systemd usbutils util-linux <video-driver> vim xclip

locale.conf

LANG="en_US.UTF-8"
LC_COLLATE="es_CL.UTF-8"
LC_MONETARY="es_CL.UTF-8"
LC_NUMERIC="es_CL.UTF-8"
LC_TIME="es_CL.UTF-8"

mkinitcpio.conf

MODULES="ext4"
BINARIES=""
FILES=""
HOOKS="base udev autodetect modconf block keymap fsck resume"

syslinux.cfg

DEFAULT d
PROMPT 0
TIMEOUT 10

LABEL d
        LINUX ../vmlinuz-linux
        APPEND root=LABEL=root rw init=/usr/lib/systemd/systemd
        INITRD ../initramfs-linux.img

LABEL f
        LINUX ../vmlinuz-linux
        APPEND root=LABEL=root rw init=/usr/lib/systemd/systemd
        INITRD ../initramfs-linux-fallback.img

LABEL h
        COM32 hdt.c32

LABEL r
        COM32 reboot.c32

LABEL o
        COM32 poweroff.c32