====== Arch Workstation Setup ======
Boot into archiso

===== Partitions =====

Need MBR partition scheme
<code>
mkfs.ext4 /dev/sdxy
mount /dev/sdxy /mnt
</code>

===== UIUC mirror =====
<file|/etc/pacman.d/mirrorlist>
## UIUC
Server = http://mozart.acm.cs/mirror/archlinux/$repo/os/$arch
</file>

===== Time =====
<code>
timedatectl set-ntp true
</code>

===== Install arch =====
<code>
pacstrap /mnt base base-devel
</code>

===== Swap =====
<code>
fallocate -l 6G /mnt/swapfile
chmod 600 /mnt/swapfile
mkswap /mnt/swapfile
swapon /mnt/swapfile
</code>

===== Generate fstab =====
<code>
genfstab -U /mnt >> /mnt/etc/fstab
</code>
replace /mnt/swapfile with /swapfile in /etc/fstab
<code>
/swapfile     none      swap    ........
</code>

===== Chroot =====
<code>
arch-chroot /mnt
</code>

===== Timezone =====
<code>
ln -sf /usr/share/zoneinfo/Region/City /etc/localtime
</code>
Set clock to localtime for Windows dualboot
<code>
hwclock --systohc --localtime
</code>

===== Locale =====
uncomment en_US.UTF-8 in /etc/locale.gen
create /etc/locale.conf
<file|/etc/locale.conf>
LANG=en_US.UTF-8
</file>

===== Genereate Locale =====
<code>locale-gen</code>

===== Hostname from DHCP =====
append to /etc/dhcpcd.conf
<code>
env force_hostname=YES
</code>

===== Auto DHCP on boot =====
create /etc/netctl/lan
<file|/etc/netctl/lan>
Interface=enp6s0
Connection=ethernet
IP=dhcp
</file>
enable lan
<code>
netctl enable lan
</code>

===== Hosts file =====
<file|/etc/hosts>
127.0.0.1      localhost
::1            localhost
</file>

===== Create acmadmin =====
<code>
useradd -d /opt/acmadmin -m -G wheel acmadmin
passwd acmadmin
</code>

===== Sudo access to wheel =====
/etc/sudoers
uncomment this line
<code>
%wheel ALL=(ALL) ALL
</code>

===== Pacman conf =====
/etc/pacman.conf
uncomment the lines
<code>
[multilib]
Include = /etc/pacman.d/mirrorlist
</code>
add acm repo 
<code>
[uicacm]
SigLevel = Optional TrustAll
Server = http://mozart.acm.cs/acm-packages/archlinux/
</code>
<code>
pacman -Sy
</code>

===== Install bootloader =====
<code>
mkinitcpio -p linux
pacman -S grub ntfs-3g os-prober intel-ucode
grub-install /dev/sdx
grub-mkconfig -o /boot/grub/grub.cfg
</code>

===== Reboot =====
<code>
exit
umount -R /mnt
reboot
</code>

===== Install openssh =====
<code>
sudo pacman -S openssh
sudo systemctl enable sshd
</code>

===== Create acmguest user =====
<code>
sudo useradd -m -d /opt/acmguest acmguest
sudo passwd acmguest
</code>
<file|/etc/sudoers.d/acmguset-sudo>
acmguest ALL=(root) NOPASSWD: /usr/bin/guestd
</file>

===== LDAP Setup =====
[[linux:arch_ad_backend]]
===== mount home dir =====
Install nfs-utils
<code>
sudo pacman -S nfs-utils
</code>
<file|/etc/fstab>
.
.
172.29.0.6:/acm-home /home nfs  noauto,x-systemd.automount,x-systemd.device-timeout=10,timeo=14,x-systemd.idle-timeout=1min 0 0
172.29.0.7:/pkgs-64 /var/cache/pacman/pkg nfs  noauto,x-systemd.automount,x-systemd.device-timeout=10,timeo=14,x-systemd.idle-timeout=1min 0 0
</file>