Josh Glover wrote:
> 2008/6/17 <paul at clubi.ie>:
>>>> Well, I guess your memory is better than mine. If I didn't mount /boot, I'd
>> eventually forget and run the PMS..
>>>> It should be pretty obvious when you reboot the system and you don't
> have the new kernel though, right? :)
>> How often do you do kernel updates? I think I've updated mine once in
> the past two years or so, due to some remotely exploitable security
>> Having to think a bit before updating your kernel is not a bad thing, I think.
>> Finally, shouldn't your PMS complain when it cannot find /boot?
> Gentoo's Portage does, IIRC.
>>Well it will find /boot, whether it is mounted or not. Unmounting /boot
does not make /boot disappear, it merely makes it a directory in /
>> - If you're administering the machine on a professional basis, stuff
>> like this leaves surprises for the next admin
>>>> I learned this trick from a professional admin, leading me to suspect
> that others do it as well.
>>Hogwash. Mounting /boot read-only is way more common. That way the
package manager complains that it cannot write to /boot, rather than it
magically installing all new kernels into /boot as a directory in the /
>> - Module insertion, oops decoding and other crash-diagnosis tools may
>> need access to object files for running kernel..
>>>> This is a good reason.
>>>> Software is already a mine-field of bugs and strange behaviour, but if this
>> dimly explored field of systems administration works you then have at it.
>>>> Again, I picked this up from somewhere else; I did not have the crazy
> idea myself. So I know that some people are doing this, and I
> understand pretty well how and when the systems I admin need to access
>>>> Just, please, mention stuff like this in any bug reports..
>>>> Fair enough.
>> If one is running a "magic" distro like RHEL or Ubuntu, I agree that
> changing the default behaviour should not be undertaken lightly. But
> if you maintain a whole network of machines, or are running a
> metadistribution like Gentoo, you should feel free to make
> optimisations that might not work for the 99.99% of the people that
> Ubuntu targets, but confer some benefits to you.
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