• tcpdump: filter DNS queries

    2 min read

    When a DNS change is involved in an ongoing issue, we need to be sure when we use, for example curl, whether we are hitting the new or the old resource. Is that DNS record still cached locally? One of the best ways of checking this is by sniffing the DNS traffic using tcpdump

    30/03/2021

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From pet to cattle
Treat your kubernetes clusters like cattle, not pets
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