How to debug “ImagePullBackOff”?

You can use the ‘describe pod‘ syntax For OpenShift use: For vanilla Kubernetes: Examine the events of the output. In my case it shows Back-off pulling image unreachableserver/nginx:1.14.22222 In this case the image unreachableserver/nginx:1.14.22222 can not be pulled from the Internet because there is no Docker registry unreachableserver and the image nginx:1.14.22222 does not exist. … Read more

Istio Ingress resulting in “no healthy upstream”

Although this is a somewhat general error resulting from a routing issue within an improper Istio setup, I will provide a general solution/piece of advice to anyone coming across the same issue. In my case the issue was due to incorrect route rule configuration, the Kubernetes native services were functioning however the Istio routing rules … Read more

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)