what is inside Jenkins

🔹 LEFT SIDE MENU ➕ New Item What: Create new job. Types you can create: Freestyle project Pipeline Multibranch Pipeline Folder Organization Folder When to use: DevOps: Creates Pipeline jobs Creates folder structure (prod/dev) Creates multibranch for GitHub repos Build History What: Shows all builds across all jobs. When used: • Debug past failures • Audit who deployed • Rollback investigation Production: Very important for audit tracking. Project Relationship What: Shows upstream/downstream job relationships. Example: Job A → triggers → Job B Used in: Microservice pipelines Deployment chains Check File Fingerprint What: Tracks artifact usage. Example: Which build produced this artifact? Used in: Artifact traceability Compliance Large enterprises 🔹 BUILD QUEUE Shows builds waiting to run. If busy: → Means agents are overloaded. DevOps uses this to: Add more agents Debug stuck jobs 🔹 BUILD EXECUTOR STATUS This is VERY important. Shows: Built-In Node (0/2) Means: 0 running 2 executors ava