HowTo Install Arch Linux: Difference between revisions

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-== Initializing the Disk==
+== Installation Media ==
+* Get the latest Arch install disk from https://www.archlinux.org/download/
+* Boot from it
-Install GPT (Guid Partition Table) on the disk`
+== Initializing the Disk ==
+Install/reinitialize GPT (Guid Partition Table) on the disk`
 <syntaxhighlight lang="bash">
-sgdisk -z /dev/vda
+sgdisk --zap /dev/vda
 </syntaxhighlight>
-Create partition one, leave 2048 sectors blank for the syslinux bootloader, and consuming the rest of the drive.
+Create partition 1, leave 2048 sectors blank for the syslinux bootloader, and don't specify an end size, so that it takes the rest of the drive.
 <syntaxhighlight lang="bash">
-sgdisk -n 1:2048: /dev/vda
+sgdisk --new 1:2048: /dev/vda
 </syntaxhighlight>
@@ Line 16: / Line 20: @@
 </syntaxhighlight>
-Now that you have a partition, it will show as /dev/vda1.  Format The partition as ext4
+Now that you have a partition, it will show as /dev/vda1. Format The partition as ext4
 <syntaxhighlight lang="bash">
 mkfs.ext4 /dev/vda1 -F
@@ Line 28: / Line 32: @@
 == Install Arch ==
-* Also install base-devel: compiler programs
+Install Arch to /mnt
-* openssh: remote access
-* syslinux: bootloader
 <syntaxhighlight lang="bash">
-pacstrap /mnt base base-devel openssh syslinux
+pacstrap /mnt base
 </syntaxhighlight>
@@ Line 39: / Line 40: @@
 Now that arch is isntalled, build a partition to mount point table, and write it to /mnt/etc/fstab
 <syntaxhighlight lang="bash">
-genfstab -p /mnt >> /mnt/etc/fstab
+genfstab /mnt >> /mnt/etc/fstab
 </syntaxhighlight>
-== Jump into Arch ==
+== Change Root (chroot) to Arch ==
 Switch into the arch installtion.
@@ Line 49: / Line 50: @@
 </syntaxhighlight>
+Set time Timezone
-Fix the timezone settings
 <syntaxhighlight lang="bash">
-unlink /etc/localtime
 ln -s /usr/share/zoneinfo/America/Chicago /etc/localtime
 </syntaxhighlight>
+== Prepraring to Boot ==
-Set dhcpd to start at boot
+Create your initial ramdisk - The initial file system before the real one boots
 <syntaxhighlight lang="bash">
-systemctl enable dhcpcd
+mkinitcpio -p linux
 </syntaxhighlight>
-Set sshd to start at boot.
+Install syslinux
 <syntaxhighlight lang="bash">
-systemctl enable sshd
+pacman -S syslinux
 </syntaxhighlight>
-== Prepraring to boot ==
+Install syslinux's GPT MBR (Master Boot Record) to the root of MBR. This will sit in the 2048 of reserved space from when we partitioned the drive.
+<syntaxhighlight lang="bash">
+dd if=/usr/lib/syslinux/bios/gptmbr.bin of=/dev/vda
+</syntaxhighlight>
-Create your initial ramdisk -  The initial file system before the real one boots
+Prepare the /boot folder with syslinux's modules. The .c32 files that ship with syslinux are for systems that use a bios to boot. Symlink the bios modules into syslinux's boot folder.
 <syntaxhighlight lang="bash">
-mkinitcpio -p linux
+ln -s /usr/lib/syslinux/bios/*.c32 /boot/syslinux/
 </syntaxhighlight>
-Prepare the /boot folder with syslinux's init stuff.
+Run the syslinux extlinux installer.
+* extlinux is the filesystem variant of syslinux
 <syntaxhighlight lang="bash">
-cp -r /usr/lib/syslinux/bios/*.c32 /boot/syslinux/
 extlinux --install /boot/syslinux
 </syntaxhighlight>
-Install syslinux's GPT MBR (Master Boot Record) to the root of MBR.  This will sit in the 2048 of reserved space from when we partitioned the drive.
+By default, syslinux tries to boot /dev/sda3. Change it to boot /dev/vda1
 <syntaxhighlight lang="bash">
-dd bs=440 count=1 conv=notrunc if=/usr/lib/syslinux/bios/gptmbr.bin of=/dev/vda
+sed -i 's#/dev/sda3#/dev/vda1#' /boot/syslinux/syslinux.cfg
 </syntaxhighlight>
-By default, syslinux tries to boot /dev/sda3.  Change it to boot /dev/vda1
+== Reboot ==
 <syntaxhighlight lang="bash">
-sed -i 's#/dev/sda3#/dev/vda1#' /boot/syslinux/syslinux.cfg
+exit
+reboot
 </syntaxhighlight>
-== Flavor ==
+=== When Something Goes Wrong ===
+If something goes wrong with rebooting and you end up back on the live cd, you don't need to start over.
+Running the following 2 commands will bring you back to your Arch Linux Environment
 <syntaxhighlight lang="bash">
-echo [archlinuxfr] >> /etc/pacman.conf
+mount /dev/vda1 /mnt
-echo SigLevel = Never >> /etc/pacman.conf
+arch-chroot /mnt
-echo Server = http://repo.archlinux.fr/\$arch >> /etc/pacman.conf
-pacman -Sy
-pacman -S --noconfirm salt-zmq
-systemctl enable salt-minion
 </syntaxhighlight>
-== enter your hostname ==
+Once you are back in the Arch environment, Check the following:
+* You set the bootable flag on the partions
+* You setup the syslinux boot loader correctly.
-    echo ${hostname} > /etc/hostname
+== PS:One Flavor ==
+=== Salt ===
+Some settings common to most of the computers at PS:One can be applied by running the following commands:
+<syntaxhighlight lang="bash">
+pacman -S salt-zmq
+systemctl start salt-minion
+salt-call state.highstate
+</syntaxhighlight>
-== reboot ==
+=== Network Logins ===
-    exit
+Enable Network logins by joining the domain server.
-    reboot
+After this command is run, the machine will support network authentication.
+<syntaxhighlight lang="bash">
+net ads join -U <your user name>
+</syntaxhighlight>