But of course, like any immutable system, there are mutable parts (otherwise, we couldn’t create any configuration files). OSTree handles this with “overlays” (actually, we use OverlayFS) that allow a read-write filesystem to be layered on top of the immutable system. For example, the /etc and /var directories are writable, while the rest of the system is read-only.
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Where will you be when Bodø/ Glimt win the Champions League? OK, they won’t win the Champions League, but they could win the Champions League. Could they? Four wins in a row. Manchester City, Atlético Madrid away, Inter, comprehensively, twice. It’s an astonishing run.
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