Is it possible to setup read-only root ?

[Reindl Harald]

Am 01.07.2012 19:23, schrieb John Wendel:
> On 07/01/2012 10:11 AM, Reindl Harald wrote:
>>
>> Am 01.07.2012 19:08, schrieb Joe Zeff:
>>> On 07/01/2012 10:01 AM, John Wendel wrote:
>>>> Is it possible to setup Fedora, using Fedora provided tools/software,
>>>> with a read-only root partition?
>>>>
>>>> There's an ancient wiki entry from the FC6 days that indicates that some
>>>> work was done, but I would assume that this depended on the SysV init
>>>> system. I've haven't seen any mention of read-only root setup with systemd.
>>>>
>>>> Any clues would be greatly appreciated.
>>>>
>>> If I'm not mistaken, /var needs to be on that partition and needs to be writable.
>> it is not uncommon to have /var on a own partition
>>
>>> If so, then you can't have a
>>> read-only root partition.  
>> it works, but be really carefull
>>
>>> And, just so we all know where we're going here, why would you want to?
>> in theory more security
>>
>> imagine a root-exploit changing a system binary
>> much more difficult if the rootfs is readonly
>>
> Extra security is certainly a plus. My main reason for wanting to run a read-only root it to avoid wearing out the
> consumer grade compact flash card that I'm using as my root device (yes, I'm cheap)

even if it works - you have ALWAYS to remember remount it rw
on any yum-update - i personally would not do it because
of some hardware

-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 262 bytes
Desc: OpenPGP digital signature
URL: <http://lists.fedoraproject.org/pipermail/users/attachments/20120701/dcd75d6a/attachment.sig>