usage: posixcube.sh -h HOST... [-l] [-c CUBE_DIR...] [OPTION]... COMMAND... A POSIX compliant, shell script-based server automation framework. -? Help. -a If using Bash, asynchronously execute remote CUBEs/COMMANDs. -b If using Bash, install programmable tab completion for SSH hosts. -c CUBE Execute a cube. Option may be specified multiple times. If COMMANDS are also specified, cubes are run first