Links to autoinstaller:
http://download1.parallels.com/Plesk/PP10/10.4.4/Ubuntu12/parallels_installer_v3.12.0_build120601.16_os_Ubuntu_12.04_i386
http://download1.parallels.com/Plesk/PP10/10.4.4/Ubuntu12/parallels_installer_v3.12.0_build120601.16_os_Ubuntu_12.04_x86_64

Templates for Parallels Virtuozzo Containers will be released later.