🟡 Medium ⏱ 10–30 min Last verified: 10 March 2020 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2021-4256 Related CVEs: CVE-2020-18032 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
Zabbix is open-source monitoring software for networks and applications. In this tutorial, you will configure a Zabbix-based monitoring system on two Ubuntu 18.04 machines. One will be configured as the server, and the other as a client that you’ll monitor. The server will use a MySQL database to record monitoring data and use Apache to serve the web interface.
🟡 Medium ⏱ 10–30 min Last verified: 10 March 2020 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2021-4426 Related CVEs: CVE-2019-17594 CVE-2019-17595 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]
How to Configure Nginx Load Balancing on RHEL 7 As web applications grow in traffic, a single backend server eventually becomes a bottleneck. Nginx’s upstream module provides built-in load balancing that distributes incoming requests across multiple backend servers, improving throughput, redundancy, and fault tolerance. Unlike Nginx Plus, the open-source version included in RHEL 7’s EPEL […]
🔴 Critical ⏱ 15–90 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE advisory openSUSE-SU-2020:1453-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-17353 CVE-2018-10992 Upstream summary: scm/define-stencil-commands.scm in LilyPond through 2.20.0, and 2.21.x through 2.21.4, when -dsafe is used, lacks restrictions on embedded-ps and embedded-svg, as demonstrated […]
🟡 Medium ⏱ 10–30 min Last verified: 10 March 2020 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2020-4712 Related CVEs: CVE-2018-11782 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
🟡 Medium ⏱ 5–30 min Last verified: 9 March 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 […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE security advisory Related CVEs: CVE-2014-3502 CVE-2014-8176 CVE-2015-5333 CVE-2015-5334 CVE-2018-12434 CVE-2018-8970 Upstream summary: Apache Cordova Android before 3.5.1 allows remote attackers to open and send data to arbitrary applications via a URL with a […]
Introduction Debian 10 Buster is built around the ethos of stability and free software. Setting up set up haproxy load balancer on debian 10 on Buster leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Buster freeze. Follow each step carefully […]
🟢 Low ⏱ 5–15 min Last verified: 9 March 2020 Affected versions: Debian 10 (buster) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2020-25654 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
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