From e2191ee0c96f57929d640cd77226e95f121f22e9 Mon Sep 17 00:00:00 2001
From: Laksith <laksith@berkeley.edu>
Date: Thu, 17 Feb 2022 19:18:51 -0800
Subject: [PATCH] Updates to a3

---
 labs/a3.md | 26 ++++++++++++++++++++------
 1 file changed, 20 insertions(+), 6 deletions(-)

diff --git a/labs/a3.md b/labs/a3.md
index 36e0ac52..c0981ea4 100644
--- a/labs/a3.md
+++ b/labs/a3.md
@@ -91,7 +91,7 @@ some packages that will allow us to create our nested Arch Linux VM.
 Run
 
 ```sh
-sudo apt install --no-install-recommends qemu-kvm qemu-utils libvirt-daemon-system libvirt-clients virtinst ovmf
+sudo apt install --no-install-recommends qemu-kvm qemu-utils libvirt-daemon-system libvirt-clients virtinst ovmf dnsmasq
 ```
 <div class="code-example" markdown="1">
 
@@ -119,11 +119,11 @@ https://mirrors.ocf.berkeley.edu/archlinux/iso/latest/ to find the latest Arch
 release. Using the `wget` command within your VM, download the `.iso` file found
 within this directory as well as the `.iso.sig` signature file that we will use
 to verify the authenticity of the `.iso` file. For example, the current release
-at the time of writing is `2021.09.01`, so you would run the following commands:\
-
+at the time of writing is `2022.02.01`, so you would run the following commands:\
+**OCF Mirrors are down at the moment so we'll be using an alternate mirror**
 ```sh
-wget 'https://mirrors.ocf.io/archlinux/iso/latest/archlinux-2022.02.01-x86_64.iso'
-wget 'https://mirrors.ocf.io/archlinux/iso/latest/archlinux-2022.02.01-x86_64.iso.sig'
+wget 'http://mirrors.edge.kernel.org/archlinux/iso/2022.02.01/archlinux-2022.02.01-x86_64.iso'
+wget 'http://mirrors.edge.kernel.org/archlinux/iso/2022.02.01/archlinux-2022.02.01-x86_64.iso.sig'
 ```
 Note that Arch is a ["rolling
 release"](https://en.wikipedia.org/wiki/Rolling_release) distribution (as
@@ -178,13 +178,26 @@ what is their key's fingerprint?
 > you say you are?"
 </div>
 
+### Create Swap File
+
+As, we only have 1G of ram on our host machine, we need to create a swap file that will act as a ram overflow on our hardisk.
+
+```sh
+sudo fallocate -l 2G /swapfile
+sudo chmod 600 /swapfile
+sudo mkswap /swapfile
+sudo swapon /swapfile
+echo '/swapfile none swap sw 0 0' | sudo tee -a /etc/fstab
+```
+
 ### Create VM
 
 Now, we need to actually create our VM. **_(Don't run this command
 until you've read the next paragraph!)_** To do this, you will run
 
 ```sh
-sudo virt-install --name archvm --memory 575 --cpu host --vcpus 1 --disk size=5 --network network=default --boot uefi --graphics none --cdrom archlinux-2021.09.01-x86_64.iso
+sudo virsh net-start default
+sudo virt-install --name archvm --memory 800 --cpu host --vcpus 1 --disk size=5 --network network=default --boot uefi --graphics none --cdrom archlinux-2022.02.01-x86_64.iso
 ```
 
 This will do some initial setup, and then drop us into a virtual
@@ -542,6 +555,7 @@ packages. Go ahead and just put the OCF mirror at the top! Edit
 `/etc/pacman.d/mirrorlist` using `vim`/`emacs`/`nano` and put the
 following line at the top:
 
+**Skip this step as OCF mirrors are down at the moment**
 ```
 Server = https://mirrors.ocf.berkeley.edu/archlinux/$repo/os/$arch
 ```