Re: Can one Mount a usb Drive read-only?
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On Tue, Jul 17, 2018 at 02:44:02PM -0500, Martin McCormick wrote:
> The reason to do this is to protect data on thumb drives full of
> archives.
>
> When searching for information, most of the discussion
> was from people who had root file systems which had been
> corrupted so the mount process mounted them read-only.
>
> In this case, all is well and the drives being mounted
> contain archives which one doesn't want to lose so mounting them
> as read-only would be a good way to protect them.
Yes, you can. Try
sudo mount -oro /dev/<your usb drive partition> /mnt
(for a more concrete example, assuming your USB drive comes up as
/dev/sdc and has one partition, say /dev/sdc1):
sudo mount -oro /dev/sdc1 /mnt
Now if you are using a desktop environment, it will most probably
mount things for you... but read/write.
You can remount it read-only like so
sudo mount -oro,remount /dev/sdc1 /mnt
Perhaps your desktop environment has some knobs to do that. Here,
I'll have to defer to more DE knowledgeable folks here.
Cheers
- -- t
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