DevOps ISPs performance python performance virtualisation web performance

Trying out Rackzar’s AMD Ryzen VPS

Was able to try out Rackzar’s AMD Ryzen VPS recently. This post is about the experience and performance. The UI to Create The user interface is easy to navigate and there is lots one can do. It looks very similar to hostking’s. Wondering if this is a standard frontend that can be deployed by infrastructure […]

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 […]