Hi Danny! > Usually that means file-system corruption, which very likely was caused by a > hardware (disk) problem. I've had it before, and shortly after the disk died. Oh no! My disk is a SSD, which is only about 2 years old. Isn't that too soon? Btw, is there a tool to check the health of the disk? > What does "sudo dmesg" show around the time it made it read-only? Ah, I will have to wait until it happens again. Regards, RG.