Minimum of 4 GB memory (6 GB or more recommended)
Ubuntu 20 (x86_64) and above
Debian 9 (x86_64) and above
openSUSE 13 (x86_64) and above
Other 64-bit (x86_64) Linux distributions with kernel version 3.1.0 and above
For detailed instructions on docker installation, please refer to CubeBackup Installation using Docker.