A little K8s knowledge everyday! — In my last article, we learned Pod, which is the core object of K8s, “K8s — Core Concept: Pod”. We also learned that because Pods are more capable of representing actual applications than containers, K8s does not orchestrate services at the container level, but uses Pods as the smallest unit…

A good understanding of Python reference — In Python, a variable is not a label of value like you may think. Instead, a reference in python means a different name for a memory location that has been associated. This means an entity allocated with some memory will be referenced with a different name other than the actual…

A little K8s knowledge everyday! —

Jenkins shared library with examples — If you often use Jenkins Pipeline, you will definitely encounter a lot of duplicate code in multiple different pipelines. In many cases, for convenience, we directly copy and paste them into different pipelines, but in the long run, the maintenance of these codes will become more and more difficult. In…

A little K8s knowledge everyday! —

An introduction to HashiCorp Vault — How do you manage large amounts of secret information at work? Usually you choose one of the following method: Solidified in the form of configuration files, stored in server files or Database Use a private git repository, and strictly control the access rights of this library Hosted on public cloud…

A little K8s knowledge every day! — In my previous K8s article, we learned how to use YAML to describe the K8s API object: Pod, which contains the definition of the container and metadata in the spec field. So why doesn’t K8s directly use containers that are already very mature and stable? Why abstract a separate Pod…

Advanced Linux network troubleshooting knowledge — I have talked about the TCP and UDP protocols in my previous articles, . In this section, let’s explore Socket programming based on the TCP and UDP protocols. When establishing a Socket, what parameters should be set? Socket programming carries out end-to-end communication, and often does not care how many…

A little K8s knowledge every day! —