It’s a systemd service: https://www.freedesktop.org/software/systemd/man/latest/tmpfiles.d.html https://www.freedesktop.org/software/systemd/man/latest/tmpf...

It’s a systemd service: https://www.freedesktop.org/software/systemd/man/latest/tmpfiles.d.html https://www.freedesktop.org/software/systemd/man/latest/tmpf... You will have to disable it separately. From the article: “To stop periodic cleanups of /tmp and /var/tmp users can run touch /etc/tmpfiles.d/tmp.conf.”