🟡 Medium ⏱ 10–30 min Last verified: 14 September 2020 Affected versions: Debian 9 (stretch) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2017-9300 CVE-2017-17670 CVE-2018-11529 CVE-2018-19857 CVE-2019-5439 CVE-2019-13602 CVE-2020-6071 CVE-2020-13428 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix […]
How to Install and Configure RabbitMQ on RHEL 7 RabbitMQ is one of the most widely deployed open-source message brokers in the world. It implements the Advanced Message Queuing Protocol (AMQP) and provides reliable message delivery, flexible routing, and support for multiple messaging patterns including work queues, publish/subscribe, and request/reply. Applications use RabbitMQ to decouple […]
🟡 Medium ⏱ 5–30 min Last verified: 13 September 2020 Affected versions: Debian 10 📖 ~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 & […]
🟡 Medium ⏱ 5–30 min Last verified: 13 September 2020 📖 ~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 […]
Introduction This tutorial covers How to Configure DNS Resolution on SLES 12 on SLES 12. SLES 12 (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 12 system is up to date: zypper refresh […]
Introduction IBM AIX 7.1 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to use gcc on ibm aix 7.1 on IBM AIX […]
How to Use Performance Monitor on Windows Server 2012 R2 Performance Monitor (perfmon.exe) is the primary built-in tool on Windows Server 2012 R2 for collecting, graphing, and analyzing system performance data. It provides real-time monitoring of hundreds of performance counters spanning CPU utilization, memory consumption, disk I/O, network throughput, and application-specific metrics. More importantly, Performance […]
🟢 Low ⏱ 5–15 min Last verified: 13 September 2020 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4899-1 Related CVEs: CVE-2020-1946 Upstream summary: Damian Lukowski discovered that SpamAssassin incorrectly handled certain CF files. If a user or automated system were tricked into using a specially- crafted CF […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read • Source: Gentoo GLSA GLSA-202009-12 Related CVEs: CVE-2020-15166 Upstream summary: It was discovered that ZeroMQ does not properly handle connecting peers before a handshake is completed. Table of contents Symptom & Impact Environment & Reproduction Root […]
Introduction How to Install PHP 7.4 CLI on Debian 10 is a fundamental operation for any administrator maintaining a Debian 10 Buster server. Debian 10 Buster ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 10. […]
