Keeping /etc/localtime up-to-date

[Matthias Andree]

Am 29.03.2011 09:53, schrieb perryh at pluto.rain.com:
> Matthias Andree <matthias.andree at gmx.de> wrote:
>> Am 28.03.2011 19:57, schrieb dieterbsd at engineer.com:
>>> I have been running FreeBSD and NetBSD with /etc/localtime being
>>> a symlink for years and have not seen any problems as a result.
>>
>> In that case, /etc and /usr/share/timezone (or whatever) need to
>> be in the same physical file system ...
> 
> If they're in the same physical FS there's no need for a symlink.
> You might as well use a hardlink.

And then discuss how all the time zone configuration tools deal with
/etc/localtime - truncate/overwrite, direct overwrite,
rename-a-replacement-file and all that.  No.