From fd895ff6c670c3f4ea1390993bfc42d70212f7b2 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?M=C3=A1rcio=20Fernandes?= Date: Tue, 24 Mar 2026 01:03:30 +0000 Subject: [PATCH] modified: README.md --- README.md | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/README.md b/README.md index 4a82e3c..ca9aa17 100644 --- a/README.md +++ b/README.md @@ -57,6 +57,8 @@ Kubernetes is an open‑source platform that automates the deployment, scaling, - [troubleshooting](#troubleshooting) - [host cli](#host-cli) - [host cli - check port usage](#host-cli---check-port-usage) +- [cert-manager](#cert-manager) + ## Namespaces @@ -772,3 +774,15 @@ systemctl restart k3s-agent # example: port 32329 ss -ltnp | grep 32329 ``` + +## cert-manager + +clear stale ACME challenges and orders created before DNS fixes. +These objects are temporary and safe to delete — they do NOT remove or affect existing valid certificates. +After cleanup, cert-manager automatically recreates fresh challenges using the corrected DNS configuration. + +``` bash +kubectl delete challenge -A --all +kubectl delete order -A --all + +```