Cloud connectivity Containerisation Containers DevOps Docker

How to Ping on a container with No ping utility?

Ever opened a shell or sshed into a container and it does not have the ping binary: bash: ping: command not found Install Ping Use the package manager of the base image apt update apt install iputils-ping Then test: > ping PING ( 56(84) bytes of data. 64 bytes from ( icmp_seq=1 […]


Elastalert 2: Quick Setup

Ever get notified about issues, bugs and problems by people – but also have the data in elasticsearch. There is a tool called elastalert that can alert on data in your elasticsearch cluster. Warning Elastalert 2 only supports recent things… Elasticsearch 6 is not supported, only: Elasticsearch 7.x or 8.x, or OpenSearch 1.x or 2.x […]

python python performance

Python Simple Asyncio [Part 1]

Is asyncio simple? Some ideas: Came across a well written and simple post about Async programming in Python. A good place to learn about python is always the documentation – here is the documentation for asyncio There is also this Python and Async simplified post. Many of the examples of asyncio can […]


SQLAlchemy: Filtering a many-to-many on a field but keeping all results of that field

Going Back to Basics In “”” Basic Product Category models using reference from: “”” from sqlalchemy import Column, ForeignKey, Table, Integer, Boolean, String from sqlalchemy.orm import declarative_base, relationship Base = declarative_base() category_products = Table( “category_products”, Base.metadata, Column(“product_id”, ForeignKey(“”), primary_key=True), Column(“category_id”, ForeignKey(“”), primary_key=True), ) class Products(Base): __tablename__ = “products” id = Column(Integer, primary_key=True) label […]


Python Implicit Namespace Packages

A very confusing topic is python imports and paths. One area that makes it more confusing was the introductions of implicit namespace packages. These are packages that are found even with an A folder can be created on the python path and that folder automatically becomes a python package. Not sure why or […]