[CentOS] what updates /etc/localtime?

[James Pearson]

James Pearson wrote:
>>On 13 Apr 2015, at 20:13, "Les Mikesell" <lesmikesell at gmail.com> wrote:
>>
>>I see in CentOS 7 that /etc/localtime is a symlink (which seems
>>sensible...) but in earlier versions it is a copy of some file from
>>under /usr/share/zoneinfo.
>>rpm -q --scripts tzdata
>>does not show any postinstall script, so in the non-symlink versions,
>>how does the copied /etc/localtime file get updated with new zone
>>data?
> 
> 
> I believe it is by glibc-common on CentOS 6 - it may be the same on CentOS 7

That is, on CentOS 6, glibc-common has a triggerin script that runs 
/usr/sbin/tzdata-update when tzdata is installed/updated

James Pearson