Tag: devops

All the articles with the tag "devops".

• Enterprise JDK Upgrades (Part 1): Moving from JDK 11 to JDK 17

  13 Apr, 2025

  Using an upgrade of multiple company Java applications from JDK 11 to JDK 17, this article discusses compatibility checks and a staged migration. It covers changed exception messages, reflective-access restrictions, separate runtime and compile-time transitions, and supporting changes to Tomcat, Jenkins, and development environments.

• Automating AWS EC2 Creation, Elasticsearch and Kibana Installation, and OpenTelemetry Monitoring

  29 Sep, 2024

  AWS CLI scripts create an EC2 instance and internal DNS record, while properties files and User Data organize deployment parameters and initialization. Using Elasticsearch, Kibana, and OpenTelemetry as examples, this article covers server configuration, automated deployment, and verification.

• Integrating GitHub with CircleCI, with a Sample Configuration

  16 Aug, 2020

  Connecting a GitHub project to CircleCI, with a config.yml example explaining workflows, jobs, and execution steps. Topics include Maven builds, dependency caching, saving test results, branch filtering, scheduled builds, and verification that the configuration takes effect.