On Thu, 22 Feb 2024 at 11:34, Rafał Miłecki <zajec5@xxxxxxxxx> wrote: > Can I bind mount /tmp/ to my temporary virtual root and still make use > or overlay to don't touch underlaying system? You can bind mount read-only, or you can create a separate overlay. For /proc and /sys the only option is a r/o bind. Thanks, Miklos