!pxe_history

sudo systemctl disable systemd-resolved
sudo rm -v /etc/resolv.conf
echo "nameserver 9.9.9.9" | sudo tee /etc/resolv.conf
sudo apt install dnsmasq -y

# https://opensource.com/article/18/3/manage-workstation-ansible
# https://docs.ansible.com/ansible/latest/installation_guide/intro_installation.html#installing-ansible-on-ubuntu
# https://stackoverflow.com/questions/39819378/ansible-get-current-target-hosts-ip-address
# Currently ubuntu 20.04 focus does not have a ppa repo
# https://stackoverflow.com/a/61922637
# sudo apt-get install software-properties-common -y
# sudo apt-add-repository ppa:ansible/ansible
# sudo apt-get update
# sudo apt-get install ansible -y

# use pip instead
# https://docs.ansible.com/ansible/latest/installation_guide/intro_installation.html#installing-ansible-with-pip
sudo apt-get install python-is-python3
sudo apt-get autoremove --purge
sudo python get-pip.py
sudo pip install ansible


# ansible playbook to setup ufw and ip masquerading
sudo apt install ufw
# sudo ufw status verbose
# sudo ufw app list
sudo ufw allow ssh
sudo ufw allow in on eth1 to any port 80

sudo ufw enable
   30  sudo nano /etc/default/ufw
   31  sudo nano /etc/ufw/before.rules
   32  sudo ufw disable && sudo ufw enable
   33  sudo nano /etc/ufw/before.rules
   34  sudo ufw disable && sudo ufw enable
   35  sudo nano /etc/ufw/sysctl.conf
   36  sysctl -p
   37  sudo sysctl -p
   38  sudo nano /etc/dnsmasq.conf
   39  sudo cp /etc/dnsmasq.conf /etc/dnsmasq.orig
   40  sudo nano /etc/dnsmasq.conf
   41  cat /dev/null > /etc/dnsmasq.conf
   42  sudo cat /dev/null > /etc/dnsmasq.conf
   43  sudo rm /etc/dnsmasq.conf
   44  sudo nano /etc/dnsmasq.conf
   45  sudo systemctl restart dnsmasq
   46  sudo nano /etc/dnsmasq.conf
   47  cd ~
   48  wget http://archive.ubuntu.com/ubuntu/dists/xenial/main/installer-amd64/current/images/netboot/netboot.tar.gz -O netboot.tar.gz --quiet
   49  mkdir -p /apps/tftp
   50  tar xf netboot.tar.gz -C /apps/tftp/
   51  cat > /apps/tftp/pxelinux.cfg/default << EOF
default install
label install
kernel ubuntu-installer/amd64/linux
append vga=788 initrd=ubuntu-installer/amd64/initrd.gz auto=true priority=critical preseed/url=tftp://10.10.16.1/preseed.cfg
EOF

   52  netstat -tul
   53  sudo apt install net-tools
   54  netstat -tul
   55  netstat -tuln
   56  history
   57  sudo systemctl restart dnsmasq
   58  netstat -tuln
   59  netstat -tul
   60  sudo apt-get install tftp
   61  sudo tftp
   62  l
   63  cat
   64  cat /var/log/installer/autoinstall-user-data
   65  sudo cat /var/log/installer/autoinstall-user-data
   66  wget https://releases.ubuntu.com/20.04/ubuntu-20.04-live-server-amd64.iso -O /apps/tftp/
   67  wget https://releases.ubuntu.com/20.04/ubuntu-20.04-live-server-amd64.iso -O /apps/tftp/ubuntu-20.04-live-server-amd64.iso
   68  history
   69  history |grep pxe
   70  mount
   71  ip add
   72  mv ubuntu-20.04.1-live-server-amd64.iso /apps/tftp/
   73  cd /apps/tftp/
   74  l
   75  rm ubuntu-20.04-live-server-amd64.iso
   76  sudo nano pxelinux.cfg

gistfile1.txt

https://askubuntu.com/questions/1238070/deploy-ubuntu-20-04-on-bare-metal-or-virtualbox-vm-by-pxelinux-cloud-init-doesn/1240068#1240068

https://askubuntu.com/questions/1238070/deploy-ubuntu-20-04-on-bare-metal-or-virtualbox-vm-by-pxelinux-cloud-init-doesn


https://linuxize.com/post/how-to-setup-a-firewall-with-ufw-on-ubuntu-20-04/

https://jrm.cc/blog/home-cluster-part-ii-machine-setup-pixies/

https://medium.com/myatus/poor-mans-device-discovery-dns-492a95ea8c8b

https://diegolemos.net/2017/08/06/pxe-booting/

https://github.com/bertvv/ansible-role-pxeserver

https://askubuntu.com/questions/412574/pxe-boot-server-installation-steps-in-ubuntu-server-vm

https://askubuntu.com/questions/1235723/automated-20-04-server-installation-using-pxe-and-live-server-image

https://medium.com/@tlhakhan/ubuntu-server-20-04-autoinstall-2e5f772b655a