How to remount the filesystem with read-only permission
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For some reason, I need to make sure that nobody can change my filesystem.
So i try to remount the / with read-only permission.
I've tried sudo mount -o remount,ro / but it told me mount: / is busy.
How can I do this? BTW, Reboot is acceptable.
permissions filesystem read-only
asked Feb 7 at 10:28
Yves
345316
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up vote
0
down vote
favorite
For some reason, I need to make sure that nobody can change my filesystem.
So i try to remount the / with read-only permission.
I've tried sudo mount -o remount,ro / but it told me mount: / is busy.
How can I do this? BTW, Reboot is acceptable.
permissions filesystem read-only
asked Feb 7 at 10:28
Yves
345316
I don't know if you can do this if you are actually using system which is mounted at/. I would try to do this from live session of Ubuntu. BTW: did you try withsudo?
– Qback
Feb 7 at 10:33
@Qback Yeah, Imountwithsudo.
– Yves
Feb 7 at 10:39
2
Make the change in the/etc/fstabfile askubuntu.com/questions/839355/…
– Katu
Feb 7 at 11:00
add a comment |Â
up vote
0
down vote
favorite
up vote
0
down vote
favorite
For some reason, I need to make sure that nobody can change my filesystem.
So i try to remount the / with read-only permission.
I've tried sudo mount -o remount,ro / but it told me mount: / is busy.
How can I do this? BTW, Reboot is acceptable.
permissions filesystem read-only
asked Feb 7 at 10:28
Yves
345316
For some reason, I need to make sure that nobody can change my filesystem.
So i try to remount the / with read-only permission.
I've tried sudo mount -o remount,ro / but it told me mount: / is busy.
How can I do this? BTW, Reboot is acceptable.
permissions filesystem read-only
permissions filesystem read-only
asked Feb 7 at 10:28
Yves
345316
asked Feb 7 at 10:28
Yves
345316
edited Feb 7 at 10:38
asked Feb 7 at 10:28
Yves
345316
asked Feb 7 at 10:28
Yves
345316
asked Feb 7 at 10:28
Yves
345316
345316
I don't know if you can do this if you are actually using system which is mounted at/. I would try to do this from live session of Ubuntu. BTW: did you try withsudo?
– Qback
Feb 7 at 10:33
@Qback Yeah, Imountwithsudo.
– Yves
Feb 7 at 10:39
2
Make the change in the/etc/fstabfile askubuntu.com/questions/839355/…
– Katu
Feb 7 at 11:00
add a comment |Â
I don't know if you can do this if you are actually using system which is mounted at/. I would try to do this from live session of Ubuntu. BTW: did you try withsudo?
– Qback
Feb 7 at 10:33
@Qback Yeah, Imountwithsudo.
– Yves
Feb 7 at 10:39
2
Make the change in the/etc/fstabfile askubuntu.com/questions/839355/…
– Katu
Feb 7 at 11:00
I don't know if you can do this if you are actually using system which is mounted at
/. I would try to do this from live session of Ubuntu. BTW: did you try with sudo?– Qback
Feb 7 at 10:33
I don't know if you can do this if you are actually using system which is mounted at
/. I would try to do this from live session of Ubuntu. BTW: did you try with sudo?– Qback
Feb 7 at 10:33
@Qback Yeah, I
mount with sudo.– Yves
Feb 7 at 10:39
@Qback Yeah, I
mount with sudo.– Yves
Feb 7 at 10:39
2
2
Make the change in the
/etc/fstab file askubuntu.com/questions/839355/…– Katu
Feb 7 at 11:00
Make the change in the
/etc/fstab file askubuntu.com/questions/839355/…– Katu
Feb 7 at 11:00
add a comment |Â
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I don't know if you can do this if you are actually using system which is mounted at
/. I would try to do this from live session of Ubuntu. BTW: did you try withsudo?– Qback
Feb 7 at 10:33
@Qback Yeah, I
mountwithsudo.– Yves
Feb 7 at 10:39
2
Make the change in the
/etc/fstabfile askubuntu.com/questions/839355/…– Katu
Feb 7 at 11:00