This is a small article about understanding the liveness, readiness and startup in kubernetes. There's good explanation in the kubernetes documentation: https://kubernetes.io/docs/tasks/configure-pod-container/configure-liveness-readiness-startup-probes/ This video also explains well the process: https://www.youtube.com/watch?v=aTlQBofihJQ But I wanted to understand it in a practical way. So I have this demo: https://github.com/DiegoTc/guest-book-js-docker/tree/Running-App-Version-1 It's a simple application running on a kubernetes cluster. https://github.com/DiegoTc/guest-book-js-docker/blob/Running-App-Version-1/argo/deployment.yaml apiVersion: apps/v1 kind: Deployment metadata: name: chat-ui spec: replicas: 1 revisionHistoryLimit: 3 selector: matchLabels: app: chat-ui template: metadata: labels: app: chat-ui spec: containers: - image: diegotc/guestbook:20230803-064434 imagePullPolicy: Alwa...
Hi Long time ago I haven't write in my blog. The reason of this post is the fallowing. Last one I update mysql package. Mysteriously is stop working and getting a very nice error. My sql stop working. ProblemType: Package DistroRelease: Ubuntu 12.04 Package: mysql-server-5.5 5.5.24-0ubuntu0.12.04.1 ProcVersionSignature: Ubuntu 3.2.0-27.43-generic 3.2.21 Uname: Linux 3.2.0-27-generic x86_64 ApportVersion: 2.0.1-0ubuntu12 AptOrdering: mysql-server-5.5: Install mysql-server-5.5: Configure Architecture: amd64 Date: Sun Aug 12 23:44:04 2012 ErrorMessage: el subproceso instalado el script post-installation devolvió el código de salida de error 1 I report it as a bug . When I check the status, I saw it was a duplicate bug, and still no answer. So I decide to use askubuntu.com. I have never use askubuntu.com, only staroverflow, but just for searching never asking a question and never answering one question. So at the end, I got my answer. The solution goes the fallowing w...