A general overview about why and how we migrate can be found under Migrating from Elasticsearch to Opensearch
Apply Test Driven Development(TDD) to the process of building container images by defining test before writing code and automate...
There is a gem puppet-ghostbuster which can help you find dead code in puppet projects. To use it, (as...
I recently stumbled over a problem that my feature tests broke in CI because of a mismatching chromedriver version.
Both knapsack and parallel_tests have the option to split groups by historic execution time. The required logs for this...
For my computer science bachelor's thesis I programmed and evaluated a CLI Test Case Prioritization (TCP) tool for makandra...
In CI test runs I noticed that string sorting order changed after switching from a debian-based PostgreSQL docker image...
We have a long-standing checklist for merge requests. However, it hardly matches the intricate requirements for design. This checklist...
It most cases it's not necessary to add a version constraint next to your gems in the Gemfile. Since...
Code splitting is a feature of esbuild that can keep huge libraries out of the main bundle. How code splitting...
tl;dr asdf allows you to manage multiple runtime versions with a single CLI tool and is backwards compatible by...
We recently encountered a problem with GlusterFS (7.x) when an application used the flock syscall on a GlusterFS path...
Maintaining larger projects makes it more difficult to balance refactoring and upgrade tasks according to its actual value. Consider to...
If you use a newer SSH key generated with the ED25519 algorithm instead of RSA (see Create a new SSH...
This is a checklist I use to work on issues. For this purpose I extracted several cards related to the...
Sometimes I ran across a GitHub merge request of a gem where it was not completely obvious in which version...
Das Standardtool für Monitoring auf AWS ist Cloudwatch. Du hast dir in den AWS Kapiteln Cloudwatch sicherlich schon grundsätzlich angesehen...
A severe bug was found in ImageMagick by Bryan Gonzalez from Ocelot Team. It allows to embed the content of...
Im Kapitel 502 Eine Applikation als Container mit CI pipelines deployen hast du eine Applikation auf AWS deployed. In diesem...
After upgrading to Rails 6.1.7.2 one of our apps printed a wall of warnings while booting: /var/www/app/shared/bundle/ruby/2.6.0/gems/net-protocol-0.2.1/lib/net/protocol.rb:68: warning: already...
If you have for e.g. a Java application which outputs multiline stack traces inside a container running in kubernetes you...
In diesem Kapitel wirst du eine Applikation in ein Containerimage verpacken und dieses via CI/CD bauen. Anschließend baust du die...
In a Jasmine spec you want to spy on a function that is imported by the code under test. This...
The link contains a simple shell script to push a cleanup policy for gitlab repositories in a group.