Drone CI is a lightweight, container-native continuous integration platform that runs every pipeline step inside an isolated Docker container. Its pipeline definition lives entirely in a .drone.yml file committed alongside your source code, making pipelines version-controlled and reproducible by default. In this tutorial you will install Docker CE on RHEL 8, deploy a Drone Server […]
Suricata is a high-performance, open-source network threat detection engine that can operate as an Intrusion Detection System (IDS) to alert on suspicious traffic, or as an Intrusion Prevention System (IPS) to actively block it. On RHEL 8, Suricata integrates naturally with firewalld‘s NFQUEUE target for inline packet inspection, and its Lua scripting and Eve JSON […]
🟡 Medium ⏱ 5–30 min Last verified: 25 May 2021 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs References & Further […]
🟡 Medium ⏱ 5–30 min Last verified: 18 May 2021 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs References & Further […]
🟡 Medium ⏱ 5–30 min Last verified: 15 May 2021 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs References & Further […]
🟡 Medium ⏱ 5–30 min Last verified: 7 May 2021 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs References & Further […]
OpenTelemetry is the CNCF-backed standard for collecting traces, metrics, and logs from applications and infrastructure in a vendor-neutral way. The OpenTelemetry Collector is the agent and pipeline component — it receives telemetry over OTLP, Jaeger, Zipkin, or Prometheus scrape, applies processors such as batching and attribute transformation, and exports to backends like Jaeger, Prometheus Remote […]
Loki is a horizontally scalable, highly available log aggregation system designed by Grafana Labs to index only metadata rather than full log content, making it extremely cost-efficient compared to Elasticsearch-based stacks. Promtail is the companion agent that tails local log files, attaches labels, and ships entries to Loki over HTTP. In this tutorial you will […]
🟡 Medium ⏱ 5–30 min Last verified: 30 April 2021 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs References & Further […]
PHP is the most widely used server-side scripting language on the web, powering platforms like WordPress, Drupal, and countless custom applications. Red Hat Enterprise Linux 8 delivers PHP through its AppStream module system, which lets you install and switch between multiple PHP versions without conflicting packages. This tutorial walks through installing PHP on RHEL 8 […]
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