Introduction Deploying configure logstash on debian 9 on a Debian 9 Stretch machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Ensure Debian 9 Stretch […]
🟢 Low ⏱ 5–15 min Last verified: 9 January 2020 Affected versions: Debian 9 (stretch) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2019-13132 CVE-2019-6250 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read • Source: Arch ASA ASA-201808-2 Related CVEs: CVE-2018-14912 Upstream summary: Type: directory traversal. Status: Fixed. Affected: 1.2-1. Fixed in: 1.2.1-1. Group: AVG-745. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]
How to Configure Huge Pages for Database Performance on RHEL 7 Database engines — particularly Oracle, PostgreSQL, and MySQL/InnoDB — allocate and manage large memory pools for their buffer caches and shared memory segments. By default, the Linux kernel manages memory in 4 KB pages, which means that a 32 GB database buffer pool requires […]
🟡 Medium ⏱ 5–30 min Last verified: 8 January 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: 8 January 2020 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: tiff — buffer overflow vulnerability Related CVEs: CVE-2004-0803 CVE-2004-0804 CVE-2004-0886 CVE-2004-1308 CVE-2005-1544 Upstream summary: A Gentoo Linux Security Advisory reports: Tavis Ormandy of the Gentoo Linux Security Audit Team discovered […]
Introduction How to Set Up Yubikey Authentication on Debian 9 is a fundamental operation for any administrator maintaining a Debian 9 Stretch server. Debian 9 Stretch 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 9. […]
🟢 Low ⏱ 5–15 min Last verified: 8 January 2020 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: End of Life Ports Upstream summary: These packages have reached End of Life status and/or have been removed from the Ports Tree. They may contain undocumented security issues. Please take […]
🟠 High ⏱ 15–60 min Last verified: 8 January 2020 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2019-1580 Related CVEs: CVE-2019-10161 CVE-2019-10166 CVE-2019-10167 CVE-2019-10168 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2019-8337 Upstream summary: In msmtp 1.8.2 and mpop 1.4.3, when tls_trust_file has its default configuration, certificate-verification results are not properly checked. Table of contents Symptom […]
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