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Foglietta" : > On Tue, 13 Dec 2022 at 11:15, wrote: > > > > +MOUNT_POINT=$(mktemp -d -p "" "$(basename "$0").XXXXXXXXXX") > > this uses /tmp which could not be available The remark from Felix triggered the switch from '-p "/mnt"' to '-p ""', one can set TMPDIR if that does not work. A valid remark, while yours seems made up just to keep trolling around in the whole discussion. Stop it please. Henning > debraf@debraf:~$ sudo find / -name expand-last-partition.sh > /usr/share/expand-on-first-boot/expand-last-partition.sh > debraf@debraf:~$ mktemp -d -p "" "expand-last-partition.sh.XXXXXXXXXX" > /tmp/expand-last-partition.sh.K9OhJ5KxIF > > my suggestion is to use /dev/shm which usually is configured into the > kernel or at least try also /dev/shm if the use of /tmp fails. > > == FELIX == > > One problem remains: Where to mount. > If we mount on /mnt this will not work on an RO rootfs out of the box. > We currently have this issue in CIP core. > > We could mount below /tmp which should be writable, but I don't know > which side effects this as the tmpfs itself will be mounted / created > by systemd. > > == == > > Best regards, R-