Clear DefinitionsPatch Management
1 min read
Pronunciation
[pach man-ij-muhnt]
Analogy
Like regularly applying security updates to your operating system to protect against newly discovered viruses.
Definition
The process of acquiring, testing, and deploying software updates—patches—to fix vulnerabilities, improve performance, and add features in blockchain nodes and related infrastructure.
Key Points Intro
Patch management maintains node security and stability through timely updates.
Key Points
Inventory: Track software versions and dependencies.
Testing: Validate patches in staging before production.
Deployment: Roll out updates with minimal downtime.
Rollback: Have procedures to revert faulty patches.
Example
Technical Deep Dive
Use Ansible playbooks: fetch release artifacts, run integration tests, coordinate `systemd` service restarts with health checks, and tag git commit in configuration management database.
Security Warning
Delayed patching exposes nodes to known exploits; automate notifications for critical CVEs.
Caveat
Aggressive patching can cause instability; balance speed with reliability.
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