add lxd readme

vm/LXD_README.md

@@ -0,0 +1,38 @@
+# Preparations
+
+    you will need at least 2GB of free disk space to install pan.do/ra
+
+# Installing pan.do/ra inside LXC
+
+1) Install lxd on the host (Ubuntu 16.04 or later):
+
+    sudo apt-get install lxd
+
+[on debian you can use snap install lxd]
+
+2) Create a new container, use different names if installing multiple instances:
+
+    sudo lxc launch ubuntu:18.04 pandora
+
+    or
+
+    sudo lxc launch images:debian/stretch pandora
+
+3) Attach to container and install pan.do/ra
+
+    sudo lxc exec pandora bash
+    apt-get update -qq && apt-get upgrade -y
+    apt-get -y install curl ca-certificates
+    sed -i s/ubuntu/pandora/g /etc/passwd /etc/shadow /etc/group
+    mv /home/ubuntu /home/pandora
+    echo "pandora:pandora" | chpasswd
+    echo PasswordAuthentication no >> /etc/ssh/sshd_config
+    locale-gen en_US.UTF-8
+    update-locale LANG=en_US.UTF-8
+    export LANG=en_US.UTF-8
+
+    cd /root
+    curl -sL https://pan.do/ra-install > pandora_install.sh
+    chmod +x pandora_install.sh
+    ./pandora_install.sh 2>&1 | tee pandora_install.log
+