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. ...

The docker run instruction is the quickest way to spin up a new container from an image. For instance, to print a greeting and exit: docker run debian:11-slim /bin/echo "Hello container" The command above instructs Docker to: Locate the debian:11-slim image locally; if missing, pull it from Docker Hub. Create a transient container f ...

Prerequisites KubeSphere Extension Development Guide Setting Up the Development Environment A running KubeSphere cluster is required. You can either use the ks-dev environment provided by KubeSphere or set up you're own cluster. Using ks-dev Environment Register an account at https://kubesphere.cloud/sign-up and create a cluster via the conso ...

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 ...

Operational Domains and Maturity Path Domain Core Responsibilities DC Ops racking, cabling, power, cooling, labeling, inventory Infra Ops OS provisioning, network plumbing, firmware Monitoring 24×7 watch, alert triage, escalation Shared Services DNS, LB, CA, repo mirrors, CI runners Application Ops service topology, release gates ...

Select the official image from the registry based on system preferences. Two common variations include standard Ubuntu and minimal Alpine builds. Retrieving the Image docker pull rabbitmq:3.9.10-management Executing the Instance Launch the service in the background with persistent restart policies. Ensure exposure of ports 5672 (AMQP), 15672 ( ...

After manually spinning up INFINI Console (1.29.6) and Easysearch (1.13.0) containers in the previous walkthrough, the next logical step is to replace the long docker run incantations with a single, version-controlled YAML file. Docker Compose turns the whole setup into a reproducible, one-command operation while keeping every byte of state on ...

Adding the Official Docker Repository Follow these steps to configure the Apt package manager with Docker's official package source. First, update the package index and install prerequisite utilities: sudo apt update sudo apt install ca-certificates curl The ca-certificates package contains root certificaets for verifying secure HTTPS connecti ...

Configuration git config --global core.editor "vim" Discarding Modifications // Unstage files from the index # Step 1: Move changes from index to working directory git reset HEAD path/to/file # Step 2: Discard changes in the working directory git checkout -- path/to/file // Restore a specific file to a previous revision git checkout <comm ...

Overview of the Elastic Stack Effective observability relies on a cohesive data pipeline. The Elastic ecosystem comprises several components working together. ElasticSearch serves as the distributed search and analytics engine capable of storing and indexing vast amounts of data. Kibana provides a browser-based interface for visualizing stored ...