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Trace ingress no service endpoints
You encounter an error on your ingress where you can’t reach your website.
kubernetes | Trace | ingress | no | service | endpoints | k8sbot
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Failing Job
You encounter an error on your job.
kubernetes | Failing | Job | k8sbot
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trace ingress service port not matching pod port
You encounter an error on your ingress where you can’t reach your website.
kubernetes | trace | ingress | service | port | not | matching | pod | port | k8sbot
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Pod Failure CrashLoopBackOff
kubernetes | pod | failure | CrashLoopBackOff | k8sbot
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The Definitive Guide to Lowering Cloud Costs of Kubernetes Clusters
kubernetes | cloud | costs
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Introducing k8sBot
A Kubernetes troubleshooting chatbot
kubernetes | slack | bot | troubleshooting | chatbot | k8sbot
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ManagedKube launches on GKE Marketplace at KubeCon
ManagedKube is excited to announce their launch on GKE’s Marketplace at KubeCon! Keep an eye out for our application during Google’s keynote.
Kubernetes | cost | tool
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Launching ManagedKube, a tool to help you decrease Kubernetes Cloud Costs
Using Kubernetes? Us too. It’s helped us deploy code that is more flexible, reliable, and efficient. However, the inherent sharing nature of Kubernetes that facilitates these benefits also creates a problem — you have no visibility into how much stuff costs. Once you’re up and running with Kubernetes, the next question I always hear as a DevOps consultant is, “What is this costing me?”
Kubernetes | costs
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Kubernetes Troubleshooting a Deployment
I have launched my deployment but when i list the pods, I don’t see a pod for that deployment. How would I troubleshoot this and what would I look for.
Kubernetes | troubleshooting
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Kubernetes: troubleshooting ingress and services traffic flows
Kubernetes is a great platform to run your application on, and it handles a lot of the heavy lifting on wiring up your application together.
Kubernetes | ingress | flows
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How to check TLS Cert Expiration Date
$ kubectl -n devops get secret NAME TYPE DATA AGE default-token-88ssj kubernetes.io/service-account-token 3 109d devops-grafana Opaque 3 102d devops-grafana-token-ldcsh kubernetes.io/service-account-token 3 102d grafana-tls kubernetes.io/tls 2 91d istio.default istio.io/key-and-cert 3 35d istio.devops-grafana istio.io/key-and-cert 3 35d istio.kube-state-metrics istio.io/key-and-cert 3 35d istio.prometheus istio.io/key-and-cert 3 35d kube-state-metrics-token-qb2d2 kubernetes.io/service-account-token 3 105d prometheus-tls kubernetes.io/tls 2 91d prometheus-token-6pfxv kubernetes.io/service-account-token 3 105d
Kubernetes | gitops
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KOPS Updating Cluster Is Awesome
Here is yet another reason why I think the Kops tool for creating and managing a Kubernetes’ cluster lifecycle is so great.
Kubernetes | kops | gitops
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Kubernetes RBAC Port Forward
The kubectl CLI tool has a really nice feature that lets you port-forward a local port to a remote port into a pod. For example, if you are running a Postgres server or a web server, you usually cant reach it without exposing a nodeport or an ingress. Sometime this is undesirable because you dont want to expose it out to the world or you just need to access this port for debugging reasons.
Kubernetes | RBAC | Port | Forward | port-forward
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Kubernetes Cron Jobs
Sometime you just have to run a cronjob that does something and sometime you have to run a cronjob that restarts a service. Yeah, unfortunately this is a thing.
kubernetes | cron | job
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Using the AWS CLI - find and terminate an EC2 Instance
aws | cli | ec2
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Kubernetes Access External Services
There are often time when you will need to access an external service in Kubernetes but still want to use a static name.
kubernetes | service | external
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sshuttle VPN
sshuttle uses ssh and python to create a tunnel from your local machine to any remote network you are able to ssh into.
kubernetes | vpn
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Docker Container Toolbox
docker | aws | tools | troubleshooting
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Various kubectl Usage
Download the latest kubectl version here: https://kubernetes.io/docs/tasks/tools/install-kubectl/
kubernetes | kubectl | logs
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Kops Cluster Templating
If you havent heard of the tool Kops (https://github.com/kubernetes/kops) for create Kubernetes clusters, you should check it out right now! It is a great tool to create and manage the lifecycle of a Kubernetes cluster.
kubernetes | kops
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Kubernetes RBAC - giving permissions for logging and port-forwarding
I am really liking Kubernetes RBAC. It is “fairly” simple to use and so powerful.
Kubernetes | Rbac | Security
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S3 - How to restore an entire folders version
This tutorial explains how to use a tool that will help you to restore an entire S3 folder’s files.
Aws | S3 | Troubleshooting | Versioning
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Kubernetes DNS Troubleshooting
On a new cluster we saw the following logs from an application we launched:
Aws | Kubernetes
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Why use Kops
Why Use Kops to create your Kubernetes cluster
Aws | Kubernetes | Kops
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Kubectl Pod logs
There are a few useful options when getting logs from your Kubernetes pods:
Aws | Kubernetes | Logs
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AWS WAF
The AWS WAF (Web application firewall) protects your web servers from malicious attacks from the internet and provides DDoS protection at a very low cost compared to all other available solutions. With so many automated bots looking to exploit vulnerabilities, you can be hacked even if you’re not targeted. Once a bot scan has found you susceptible to a certain vulnerability, it will extract as much information as possible. In today’s world, you must take active steps to protect yourself before something bad happens.
Aws | Waf | Security
