Tools: losetup, gdisk, mkfs.ext4 File as a filesystem / Filesystem in a file create a file dd if=/dev/zero of=virt_fs.img bs=1024 count=10240 bytes=1024 (1KB) count=10240 total = 1024*10240 = 10485760 Bytes (10MB) or dd if=/dev/zero of=virt_fs.img bs=1M count=10 or truncate -s 10M virt_fs.img Setup loop-back device find first available loop-back device sudo losetup -f create loop […]