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Playwright tutorial example configuration

Playwright tutorial example configuration

Playwright provides a fast and reliable interface that can be used to automate browser navigation testing. In this Playwirght tutorial, we are going to use it to do some simple automated test and errors you might experience in the process. See the following Github repository: GitHub - KarmaComputing/playwright-testingContribute to

Debug python containers pdb docker breakpoint

Debug python containers pdb docker breakpoint

Debugging python docker containers with remote-pdb, docker-compose You want to debug and set breakpoints inside your docker container and/or you want to debug with docker-compose. > Warning: As the docs say: The debug host in your Docker container must be set to 0.0.0.0 (localhost or 127.0.

How to check if logrotate is working

How to check if logrotate is working

Check that the logrotate is working as expected See man logrotate for all the options, check it's running correctly by using verbose mode and reading the output: logrotate -v /etc/logrotate.d/ Is your log file growing faster than the daily/weekly interval? Use the maxsize option and check how

Does git rm delete the file?

Does git rm delete the file?

tldr; Yes. Yes it does. (use git restore --staged to un-delete if you made that mistake*) Does git rm remove the file? How to find out yourself: See man git rm or read on. Sometimes you find git is tracking files (e.g. binary files like images) which you shouldn't

Override the entrypoint of docker containers (any container)

Override the entrypoint of docker containers (any container)

Sometimes you want a quick and easy way to look inside a container before it's stopped- to debug it, to see what's going on. One way to change a way the image's container starts: docker run --rm --env-file .env --entrypoint="/bin/sleep" 120 #Example docker run --rm --env-file .env --entrypoint=

Database migrations with multiple git branches and teams alembic sqlalchemy

Database migrations with multiple git branches and teams alembic sqlalchemy

> This article is suitable for understanding database migrations when there are database migrations on different git branches which need to be merged. The examples are python's alembic [https://alembic.sqlalchemy.org/en/latest/] project but the concept is useful for all When doing branch based development (e.g. issue branches)

How does Algorand work thoughts

How does Algorand work thoughts

This is a summerisation of the parts I found interesting in relation to the recorded conversation with Silvio Micali: Cryptocurrency, Blockchain, Algorand, Bitcoin & Ethereum | Lex Fridman Podcast [https://www.youtube.com/watch?v=zNdhgOk4-fE4] 1. Algorand claims to solve three things: decentralization, scalability, and security This reminds me of CAP

Why do I need to confirm my WHOIS information?

Why do I need to confirm my WHOIS information?

The WHOIS information shows the public and your registrant the contact information of a domain's owner; in other words, the WHOIS information can be useful to verify if a legit company or person created a Domain. However, some registrants have the option to hide the WHOIS information to the public

ipv6 KVM multiple vms ip config

ipv6 KVM multiple vms ip config

I want to spin up multiple vms using kvm and ipv6. IPv4 is exhausted and expensive. How do I do that? Does my machine support KVM? You need to find out if your CPU support virtualisation. To do this, cat your cpuinfo file, cat /proc/cpuinfo and if you have

How to Migrate From Ghost 1.x.x to 3.x.x

How to Migrate From Ghost 1.x.x to 3.x.x

The Ghost Version 1.x.x can't be updated automatically anymore. Therefore, it needs to install the lastest version of Ghost and migrate all the old data to the new Version to keep getting updates. This tutorial will help to achieve this 1. Make a Backup Always take a backup

Saas based architectures

Saas based architectures

Deploy Sass customers independently each within their own version of the application or as one, application containing all tenants? The trade-offs when building software as a service (saas) based architectures, especially within the context of open source software. There's a lot of resources out there about building scalable architectures. Horizontal

How to install k0s kzeros Kubernetes

How to install k0s kzeros Kubernetes

K0 (kzeros) in a new single binary distribution model for running and deploying Kubernetes. The project is available on GitHub here: https://github.com/k0sproject/k0s The k0s project comes from engineers working on the original docker project and it's some aims include making ruining and deploying Kubernetes clusters as

Sessions not set SameSite cookie Firefox vs Chome iframe

Sessions not set SameSite cookie Firefox vs Chome iframe

This matter comes into play when you are embedding an iframe into your application (e.g. maybe your application is a SasS or you have a single sign on scenario), and you need to allow the embedded iframe to set cookies. tldr: https://twitter.com/rowan_m/status/1279013752520740865 I

FastAPI Production Deployment with Github actions & Dokku

FastAPI Production Deployment with Github actions & Dokku

This FastAPI tutorial shows you how to develop and deploy python FastAPI to a server with automated deployment & TLS using Github Actions. Based on this FastAPI deployment example repo. * Auto generated API Docs: OpenAPI & Redoc * Github actions deployment pipeline: Actions Workflow * Automated TLS certificate creation & renewal * Deployment to live url

htaccess redirect old pages to new domain

htaccess redirect old pages to new domain

Sometimes you need to change a domain name, and you want to redirect all old pages to the new domain name. On your existing domain, you can redirect all requests to the new domain with something like the following: In your .htaccess file: RewriteEngine On RewriteBase

Quickly setup local Laravel development using docker without php installed locally

Quickly setup local Laravel development using docker without php installed locally

The following will create the Laravel hello world application in your current working directory, without haveing needing to have the correct php version installed locally. docker run --rm --interactive --tty --volume $PWD:/app composer create-project --prefer-dist laravel/laravel blog Replace 'blog' with whatever you want to call your project. After

How large public and private organisations are using teams, kubernetes, vault and git to manage their deployments

How large public and private organisations are using teams, kubernetes, vault and git to manage their deployments

This document sets out my observations of recently working in a large public sector environment in the UK managing significant workloads. This is also a good history comparing deployment practices of yesterday to more modern practices seen today I think there is a significant shift happening between organisations which are

Docker entrypoint vs cmd

Docker entrypoint vs cmd

I'm always forgetting what is the difference between Docker's entry point vs Docker cmd. Which one to use and when? Tldr: "You can use the exec form of ENTRYPOINT to set fairly stable default commands and arguments and then use either form of CMD to set additional defaults that are

Notes on Kafka

What is Kafka anyway? History of kafka From: https://engineering.linkedin.com/distributed-systems/log-what-every-software-engineer-should-know-about-real-time-datas-unifying > Many new products and analysis just came from putting together multiple pieces of data that had previously been locked up in specialized systems. > This (Kafka 'log') architecture also raises a set of different options for where

Installing Jenkins x with existing git repo

Installing Jenkins x with existing git repo

How to install jenkinsx and import an existing git repo for your CI/CD pipelines development process. Enable faster teams and faster releases.

Kubernetes updating many deployments at once

Kubernetes updating many deployments at once

Subscribie is a website builder targeting the niche of users who want to build a subscription based website. It allows users to quickly spin up a website and sell items on subscription. It's GPLv3 licenced. There's a hosted Subscription website version. Requirements: Ability to scale to 10s, 100s of sites

Scaling Kubernetes ReadWriteMany Ceph Deployments

Scaling Kubernetes ReadWriteMany Ceph Deployments

Run ReadWriteMany volumes on Google Kubernetes engine which allows your Deployments with persistent data to scale. This allows us to scale a Kubernetes deployment with Persistent Volumes without the deployment getting stuck waiting for a realease on a volume. This tutotial has a repo which has been pinned as a

Kubernetes SSL Certificates- How to Set-up a Cluster With SSL Termination

Kubernetes SSL Certificates- How to Set-up a Cluster With SSL Termination

Using Cert Manager on a Kubernetes cluster to do SSL termination. By the end of this guide you will be able to: * Route SSL traffic from a domain your own (example.com) to a kubernetes cluster * Understand how to add additional domains to your cluster * Certificate renewal is automatic, handled

How to audit slack permissions

How to audit slack permissions

Slacks permission system is based around scopes, read about Slack Scopes and Permissions [https://api.slack.com/scopes] Can public users view my workspace email accounts? The permission to "View your workspace members' email addresses" is users:read.email: https://api.slack.com/scopes/users:read.email How to check

Getting started with Java and Scala projects using Maven, intellij

Getting started with Java and Scala projects using Maven, intellij

Coming from a Python/Php and/or systm administration bacground with no little to Java experience is daunting. * POM? What is that? (Is this like setuptools?) Not really, but sort of * Maven? What is it? * How do I even run this thing? * What's a war file? * Why can't I just

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