I have been running Tumbleweed for about a year. The odd issues after an upgrade I have managed to fix easily, but now the boot routine goes into emergency mode. I can boot successfully from a previous snapshot but cannot upgrade or install anything because the process fails with the message: Subprocess failed. Error: RPM failed: error: can’t create transaction lock on /var/lib/rpm/.rpm.lock (Read-only file system).
I have run smartctl on the SSD system disc (less than a year old) but it reports no errors. I believe the problem may have started from when I returned home to find the computer had apparently switched itself off. There was no sign of a power cut and the UPS would have protected it anyway.
I can find no way to remove the read-only flag on this file, or even delete it. I would be very grateful for any help.
Thanks in advance
Rob