install_msg() { cat << __EOF__ ===> IMPORTANT NOTICE: In order to complete the installation, and enable Xen, at the very least you must: 1. Edit your GRUB2 config files as specified at https://wiki.archlinux.org/index.php/Xen#Bootloader_Configuration 2. Issue the following commands to allow you to create and start VMs: systemctl enable xenstored.service systemctl enable xenconsoled.service systemctl enable xendomains.service For more information refer to the Wiki: https://wiki.archlinux.org/index.php/Xen __EOF__ } post_upgrade() { install_msg } pre_remove() { for i in xen{stored,consoled,domains}.service; do systemctl disable $serv systemctl stop $serv done } post_remove() { cat << __EOF__ ===> IMPORTANT NOTICE: In order to finish removing Xen, you will need to modify your bootloader configuration files to load your Linux kernel instead of Xen kernel. __EOF__ }