2019 - Page 182 of 527

How To Centralize Your Docker Logs with Fluentd and ElasticSearch on Ubuntu 14.04 — step-by-step Docker tutorial on Progressive Robot

How To Centralize Your Docker Logs with Fluentd and ElasticSearch on Ubuntu 14.04

[Fluentd](https://www.fluentd.org) is an open source data collector designed to unify logging infrastructure. It is designed to bring operations engineers, application engineers, and data engineers together by making it simple and scalable to collect and store logs. This tutorial demonstrates how to install Fluentd and use it to collect logs from Docker containers. We’ll stream the data to another container running Elasticsearch on the same Ubuntu 14.04 server.

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Amazon Linux 2 — libvorbis — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — libvorbis — vulnerability — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2018-981 Related CVEs: CVE-2018-5146 Upstream summary: Vorbis audio processing out of bounds write (MFSA 2018-08): An out of bounds write flaw was found in the processing of vorbis audio data. […]

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Common Problems 121701

Debian 9 – cloud-init Datasource Timeout Delays Boot – Fast Metadata Recovery

🟡 Medium   ⏱ 5–30 min  Last verified: 1 October 2019 Affected versions: Debian 9 📖 ~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 & […]

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Common Problems 118629

Ubuntu 16.04 LTS – SSL certificate validation fails due to outdated CA store – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 1 October 2019 Affected versions: Ubuntu 16.04 LTS 📖 ~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 […]

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FreeBSD 12 — ioquake — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — ioquake — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 October 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: id Tech 3 — remote code execution vulnerability Related CVEs: CVE-2017-6903 Upstream summary: The content auto-download of id Tech 3 can be used to deliver maliciously crafted content, that triggers […]

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Common Problems 118570

Ubuntu 16.04 webcam not working in video apps

🟡 Medium   ⏱ 5–30 min  Last verified: 1 October 2019 📖 ~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 […]

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How to Set Up a Web Application Firewall on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Set Up a Web Application Firewall on SLES 15

Introduction This tutorial covers How to Set Up a Web Application Firewall on SLES 15 on SLES 15. SLES 15 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 15 system is up to […]

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