Using /opt with System Extensions By default, Kairos does not include /opt as a system extension (sysext) overlay hierarchy. This is because in normal runtime, /opt is writable and bind-mounted to the persistent partition, allowing users and applications to freely write data that persists across reboots. However, when a system extension is loaded that includes a /opt hierarchy, the behavior of that directory changes: it becomes read-only, overridden by the overlay from the system extension im...
