Is it possible to setup read-only root ?

[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.  If so, then you can't have a read-only root partition.  And, 
just so we all know where we're going here, why would you want to?