{"description":"\u4e8b\u8c61 Kubeadm\u3067\u69cb\u7bc9\u3057\u305f\u74b0\u5883\u306b\u3066Pod\u5185\u306e\u540d\u524d\u89e3\u6c7a\u306b\u5931\u6557\u3059\u308b\u3002 \u5177\u4f53\u7684\u306b\u306f/etc/resolv.conf\u306bcore-dns\u306e\u30b5\u30fc\u30d3\u30b9\u3067\u3042\u308bkube-dns\u306eIP\u304c\u8a18\u8f09\u3055\u308c\u3066\u3044\u308b\u306b\u3082\u95a2\u308f\u3089\u305aPod\u304b\u3089\u306e\u901a\u4fe1\u306b\u5931\u6557\u3059\u308b\u3002 # nslookup testnode ;; connection timed out ; no servers could be reached \u74b0\u5883\u60c5\u5831 kubectl v1.15.5 coredns:1.3.1 \u539f\u56e0/\u5bfe\u5fdc\u7b56 Pod\u304b\u3089coredns\u306e\u30b5\u30fc\u30d3\u30b9\u306b\u5bfe\u3057\u3066\u758e\u901a\u78ba\u8a8d\u304c\u3067\u304d\u3066\u3044\u306a\u3044\u3002 \u4ee5\u4e0b\u306fbusybox\u4e0a\u3067\u306e\u30b3\u30de\u30f3\u30c9\u5b9f\u884c\u7d50\u679c\u3002 # telnet 10.10\u2026","type":"rich","version":"1.0","provider_url":"https://hatena.blog","width":"100%","blog_title":"(O+P)ut","blog_url":"https://www.mtioutput.com/","published":"2020-08-31 15:10:08","url":"https://www.mtioutput.com/entry/k8s-doredns-timeout","title":"\u3010Kubernetes\u3011CoreDNS\u3078\u306enslookup\u304ctimedout\u3059\u308b\u4e8b\u8c61","height":"190","categories":["DevOps","DevOps-Kubernetes"],"image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/m/mtiit/20191108/20191108224019.jpg","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwww.mtioutput.com%2Fentry%2Fk8s-doredns-timeout\" title=\"\u3010Kubernetes\u3011CoreDNS\u3078\u306enslookup\u304ctimedout\u3059\u308b\u4e8b\u8c61 - (O+P)ut\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_name":"mtiit","provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/mtiit/"}