Build image:
0. On Debian Buster, install Singularty >= 3.2
1. Create Clonezilla singularity definition file:
   wget https://gitlab.com/stevenshiau/clonezilla/raw/master/samples/singularity-debian-ocs.def
   singularity build clonezilla-live-20191120.sif singularity-debian-ocs.def

A. Server side: 192.168.56.110 (Ubuntu Bionic)
0. Install Singularty >= 3.2
1. wget http://stevenshiau.org/clonezilla-live/singularity/clonezilla-live-20191120.sif

2. sudo singularity shell -p -e --writable-tmpfs -B /run clonezilla-live-20191120.sif

3. ocs-live-feed-img -icol -cbm local-boot-media 


B. Clinet sides: 192.168.56.120 (Centos 8), 192.168.56.130 (OpenSuSE 15.1):
0. Install Singularty >= 3.2
1. wget http://stevenshiau.org/clonezilla-live/singularity/clonezilla-live-20191120.sif
   
2. sudo singularity shell -p -e --writable-tmpfs -B /run clonezilla-live-20191120.sif

3. ocs-live-get-img -icol