systemd systemd-loop@.service 8 systemd-loop@.service Attach a loopback block device systemd-loop@path.service systemd-loop@.service is a template service that may be used to automatically attach a loopback block device at boot (or later). Its instance string may reference an (escaped) file system path pointing to a disk image to attach as loopback block device. Use systemd-escape1's --path to properly escape a file system path. This unit invokes systemd-dissect --attach --quiet --loop-ref-auto on the specified files, see systemd-dissect1 for details. systemd1 systemd-dissect1 systemd-import-generator8