Update zone file Serial numbers

sed -i 's/20[0-1][0-9]\{7\}/'`date +%Y%m%d%I`'/g' *.db
Will edit *.db files in the same directory with todays date. Useful for doing a mass update to domains on a nameserver, adding spf records, etc. Looks for a string starting with 200 or 201 followed by 7 numbers, and replaces with todays date. This won't overwrite Ip's but i would still do some double checking after running this. Make sure your server's date is correct, otherwise insert your own serial number. rndc reload should usually follow this command.

6
By: alf
2010-03-24 07:28:58

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What Others Think

This is cool. But I have been using emacs (zone-mode) for this purpose, incase if someone did not know. :. When ever you save the db file emacs automatically increment the SOA number.
JollyJumper · 426 weeks and 2 days ago
Nice, i think i will have to give emacs a try for editing individual zone files! I find this is useful for doing a mass update, which sometimes the situation can call for.
alf · 426 weeks and 1 day ago

What do you think?

Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?

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