Scott, On Sun, 2009-05-03 at 08:39, Scott Haneda wrote:
> I client of mine has thousands of DNS zones that will need a ttl > chance and a serial bump. I want to set a relevant ttl to 300 for a > few days. > > After that, an IP address change will be made, and I would like to > change the TTL back to something sane. The general format of the zone > looks something like below. > > Any suggestions perl substitutions would be your friend, had to do this myself a few years back, but the key is do fresh backup /var/named first, then try: perl -pi -e "s/2009....../2009050301/g;" * Maybe again with 2008/7/6 how ever many years you think it goes back, and don't miss out any of the periods after the year to avoid missing exact hits. Again for the TTL, if you have inline hostname specific TTLs, that will be tricky and I've never had to do them en mass so maybe someone else has a better way Might be good idea to copy a few zonefiles to /tmp to play with first, before you do the live zones, and inspect them.
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