systemctl mount-image
linux
Mount an image file into a unit's mount namespace. Only supported for the units that run within a mountspace ie, with `RootImage=`, `PrivateMounts=`, etc.
More info →Examples (4)
Mount an image at a specific path inside the unit's mount namespace
systemctl mount-image unit /path/to/image /path/to/directory_inside_unitMount the image's `root` partition with read-only and no-setuid options
systemctl mount-image unit /path/to/image /path/to/directory_inside_unit root:ro,nosuidCreate the destination directory before mounting
systemctl mount-image --mkdir unit /path/to/image /path/to/directory_inside_unitMount an image as read-only
systemctl mount-image --read-only unit /path/to/image /path/to/directory_inside_unitmade by @shridhargupta | data from tldr-pages