Build Your First Command Line Tool in Go
How to build a command line tool in Go, package it, and upload it to GitHub releases.
How to Install Apache Kafka on RHEL 7
How to Install Apache Kafka on RHEL 7 Apache Kafka is a distributed event streaming platform designed for high-throughput, fault-tolerant, real-time data pipelines. Originally developed at LinkedIn and later open-sourced under the Apache Software Foundation, Kafka is used by thousands of companies to process trillions of events per day. Unlike traditional message queues, Kafka persists […]
Ubuntu 18.04 filesystem mounted read-only after errors
🟡 Medium ⏱ 5–30 min Last verified: 28 November 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 […]
Ubuntu 18.04 LTS – SSH key authentication fails after hardening changes – Fix & Prevention
🟠 High ⏱ 5–30 min Last verified: 28 November 2019 Affected versions: Ubuntu 18.04 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 […]
subscription-manager shows no enabled repositories
🟡 Medium ⏱ 5–30 min Last verified: 28 November 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 […]
FreeBSD 12 — xshisen — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 28 November 2019 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: xshisen — local buffer overflows Related CVEs: CVE-2003-1053 CVE-2005-0117 Upstream summary: Steve Kemp has found buffer overflows in the handling of the command line flag -KCONV and the XSHISENLIB environment […]
FreeBSD 12 — pl-ekg — multiple vulnerabilities (7 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 28 November 2019 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: libgadu — multiple vulnerabilities Related CVEs: CVE-2005-1850 CVE-2005-1851 CVE-2005-1852 CVE-2005-1916 CVE-2005-2369 CVE-2005-2370 CVE-2005-2448 Upstream summary: Wojtek Kaniewski reports: Multiple vulnerabilities have been found in libgadu, a library for handling Gadu-Gadu […]
NTP unreachable due to firewall policy
🟡 Medium ⏱ 5–30 min Last verified: 28 November 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 […]
RHEL 8 SELinux Denies httpd Binding to Custom Port
🟡 Medium ⏱ 5–30 min Last verified: 28 November 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 […]
FreeBSD 12 — php5-odbc — multiple vulnerabilities (8 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 28 November 2019 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: php — multiple vulnerabilities Related CVEs: CVE-2007-0905 CVE-2007-0906 CVE-2007-0907 CVE-2007-0908 CVE-2007-0909 CVE-2007-0910 CVE-2007-0988 CVE-2007-1001 Upstream summary: The PHP development team reports: Security Enhancements and Fixes in PHP 5.2.2 and PHP […]
