Freaks City

System Prerequisites Before installing Jenkins, ensure your Linux environment has the necessary Java Runtime Environment (JRE) or Java Development Kit (JDK). Modern versions of Jenkins (starting from 2.357 and LTS 2.361.1) require Java 11 or Java 17. Installing JDK 17 The following script automates the download and configuration of OpenJDK 17. ...

Core Concepts What is Docker? Traditional virtualization relies on virtual machines, which solve cross-platform compatibility issues but are often too resource-intensive, slow to start, and demanding in terms of system resources. This limited their widespread adoption in the internet industry. Docker's container technology, while not fully cros ...

Why Branch Management Matters Development efficiency – A well-defined branching model prevents chaos, reduces communication ovrehead, and helps new members onboard quickly. Optimized CI/CD – Branch policies align with automated deployment, making builds and tests more reliable. Fewer merge conflicts – Standardized creation and merging practice ...

Recent time due to the pandemic provided a lot of free time. I had previously done some learning about Docker, but kept running various commands without much progress. Recently, I revisited the topic and want to share some issues encountered along the way. Ubuntu is installed on a desktop machine, and I found virtual machines too cumbersome. I ...

Jenkins sits at the heart of the DevOps toolchain, and CI/CD pipelines require writing Pipeline scripts. Getting started with Jenkins is straightforward—after a quick look at the documentation, concepts like agent, stages, and steps become clear, and you can quickly scaffold a pipeline. However, when filling in the details, particularly how to ...

Since its launch, AWS Lambda has revolutionized application execution through its serverless computing model, enabling developers to run code without managing underlying servers, thus simplifying operational burdens. Initially, Lambda functions were deployed primarily as .zip packages, which limited their use in complex scenarios, especially wh ...

Prerequisites A functional Kubernetes cluster with Traefik installed as the ingress controller. Network File System (NFS) storage mounted across all nodes to ensure Jenkins configuration survives pod restarts. A private Docker registry accessible at 192.168.0.153:5000. The base environment uses an Alpine LNP stack (PHP 5.6.31 and Nginx 1.8.1) a ...

CI/CD Workflow Overview Transitioning from traditional virtual machine-based CI/CD to a Kubernetes-native approach offers significant advantages in resource utilization and environment consistency. Traditional Workflow: CI: Developers push code to GitLab -> Jenkins triggers build on a static slave -> Code scanning and compilation -> A ...

Core Concepts of GitLab CI/CD GitLab CI/CD is an integrated tool for implementing continuous software development practices: Continuous Integration (CI): Automated building and testing of code changes upon each push. Continuous Delivery (CD): Automated deployment with manual approval trigger. Continuous Deployment (CD): Fully automated deploym ...

Azure DevOps provides powerful CI/CD capabilities, but setting up self-hosted agents can be challenging. This guide demonstrates a streamlined approach to configuring Azure DevOps agents on CentOS 7 servers. Ensure you have administrative access to a CentOS 7 machine before proceeding.### Obtaining the Linux Agent Package Navigate to your Azure ...