Part 9 of a series of articles about learning containers and becoming a hero!

Recap1: Container Namespace


Part 8 of a series of articles about learning containers and becoming a hero!

Container Security


Part 7 of a series of articles about learning containers and becoming a hero!

Understand Container Network Namespace


Part 6 of a series of articles about learning containers and becoming a hero!

Understand Container File System


Part 5 of a series of articles about learning containers and becoming a hero!

Running Container Magically Disappear?


Part 4 of a series of articles about learning containers and becoming a hero!

How Do We Set Container CPUs?

apiVersion: v1
kind: Pod
metadata:
name: frontend
spec:
containers:
- name: app
image: images.my-company.example/app:v4 …


Part 3 of a series of articles about learning containers and becoming a hero!

The init Process


Part 2 of a series of articles about learning containers and becoming a hero!

What Is Namespace

PID Namespace:

$ docker exec 0d0a08ae7de1 ps -ef
UID PID PPID…


How Popular Are Containers?

Container Is Simple


Python Elasticsearch v7.14.0 Error

20210824 08:06:40.249330 [MainThread:INFO] run_app: es_log_level=WARNING
20210824 08:06:40.884733 [MainThread:CRITICAL] __init__: Uncaught exception
Traceback (most recent call last):
File "/home/xxxx/src/run.py", line 26, in <module>
root()
File "/home/xxxx/venv/lib/python3.7/site-packages/click/core.py",
...
File "/home/xxxx/venv/lib/python3.7/site-packages/elasticsearch/transport.py", line 413, in perform_request
_ProductChecker.raise_error(self._verified_elasticsearch)
File "/xxxx/venv/lib/python3.7/site-packages/elasticsearch/transport.py", line 630, in raise_error
raise UnsupportedProductError(message)
elasticsearch.exceptions.UnsupportedProductError: The client noticed that the server is not a supported distribution of Elasticsearch

Tony Li Xu

Senior Cloud and DevOps Engineer from both HighTech and FinTech world.

Get the Medium app

A button that says 'Download on the App Store', and if clicked it will lead you to the iOS App store
A button that says 'Get it on, Google Play', and if clicked it will lead you to the Google Play store