Normally, Jenkins pipeline settings can done in UI. However, it cannot be version control if settings changed. Actually, version control can implement in decorative pipeline in jenkinsfile. In this example, it will setup schedule to […]
Checksum ensure the integrity of file. In AWS S3, it also using eTag to do similar things. It create MD5 value and store in eTag. However, it is not a real checksum for s3 object […]
Idle timeout is one of the feature to enhance security by enforce logout if not used. In Angular, idle timeout can be done by rxjs. This demo will show the steps on adding and enable […]
Cookie is one of the persistent storage in web client. It can ensure data persistent even page refresh. Compare with Local storage, it has additional security as it natively support expire date time. As contract, […]
Terminal is the tools for developer and operator and it streamline many routine process in batch. And we are face it almost everyday. There are several tools which can help to customize it to make […]
For tuning MySQL, normally it will check index scan, cache and any hardware allocation align with database or not. To measure it, there are several tools to support your judgement.
Even APM agent can add parameter -javaAgent, but it will more flexible if embed in jar file. This demo will show how to add ELK APM agent inside Java gradle project.
Opentracing is one of the open protocol for distribute tracing between microservices. With APM, it helps to identify service dependency and target bottom-neck during performance tuning. Even it merged to OpenTelmetry in recent years but […]
When maintain Kubernetes, mostly we need to use kubectl to get result and execute yaml. It is ok for developer as it provide the flexibilty to do what they need. However, for operator, it might […]
To enable ELK logging, mostly it will use logback as logging library. However, when migrate existing application, eliminate dependency change is one of the factor to ensure application stability. In this demo, we will use […]
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