Buy an ubuntu 22.04(amd) machine and use root user to login itGet in /root directory and creat a folder (two commands)cd /root mkdir avail-node Go to the new folder and download the file ( three commands)cd ./avail-node wget https://kate.avail.tools/chainspec.raw.json wget https://github.com/availproject/avail/releases/download/v1.7.2/data-avail-ubuntu-2204-amd64.tar.gz Extract files and rename it (three commands)tar -xzvf data-avail-ubuntu-2204-amd64.tar.gz mv data-avail-ubuntu-2204-amd64 da...