This post is just combining the information from Ubuntu 16.04 Root on ZFS and Encrypted ZFS Ubuntu Installation. First, start up your target machine using an Ubuntu Live ISO. When you’ll see the desktop, just press Ctrl + Alt + F1 and login with ubuntu and blank password. Let’s prepare the system for SSH, as things are much easier there. You can also skip this and do things locally, of course. Prepare SSH passwd sudo su systemctl stop lightdm # save some precious memory ;) apt update apt install openssh-server -y Now we can connect to the target machine via SSH. Read more

You can use KVMs direct kernel boot feature to boot things without having an ISO or using PXE. These options can be set in args: in Proxmox. Doing so, we can simply kickstart a CentOS or preseed an Ubuntu installation by passing all necessary options. UPDATE 2017-11-06 Ansible approach Example: CentOS Prepare kernel Grab CentOS kernel (if not alreay done, then skip this step and adjust paths in qm create command) Read more

Utilizing some projects, you can achive a nice branded CI/CD Ubuntu: preseed-cinnamon-ubuntu plymouth-logo-theme-template lightdm-logo-theme-template