dns

A team member reported a problem with pre-commit hook I wrote, check-dns-serial, which ensures the SOA serial number is updated on any modified zone files. The script was giving them an error when they made a commit after the 8th revision in a day. It was an interesting bug in a bash script that I thought might be helpful to share. The serial number is, by convention, stored as a date string plus a 2-digit revision number....