0
votes
1answer
62 views

Partition went read-only, how to mount it again?

Every now and then the partition of my Linux installation goes read-only. Since the computer is a laptop, I suppose it's due to some writing error caused by some harsh movement. Partition was mounted ...
2
votes
2answers
2k views

How to umount / ? It's busy

I'm trying to use zerofree, which seems to be the answer for this: How to reduce VM size? I have successfully umounted /dev/sda1, and zerofree worked fine, releasing ~37gb. But I can't seem to ...