Introduction How to Configure RAID with mdadm 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. […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read • Source: Amazon Linux advisory ALAS2-2018-1123 Related CVEs: CVE-2018-10906 Upstream summary: A vulnerability was discovered in fuse. When SELinux is active, fusermount is vulnerable to a restriction bypass. This allows non-root users to mount a […]
HTTP security headers instruct browsers how to handle your site’s content and protect visitors from clickjacking, cross-site scripting, MIME sniffing, and other common attacks. Adding these headers to Nginx or Apache on RHEL 8 is a high-value, low-effort hardening step that improves both your security posture and your score on tools like securityheaders.com. This tutorial […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 4.8.7-r0 📖 ~4 min read • Source: Alpine secdb entry — samba 4.8.7-r0 Related CVEs: CVE-2018-16841 CVE-2018-16851 CVE-2018-16853 CVE-2018-1139 CVE-2018-1140 CVE-2018-10858 CVE-2018-10918 CVE-2018-10919 +12 more Upstream summary: Alpine main repository for vedge ships samba 4.8.7-r0 which […]
🟠 High ⏱ 15–60 min Last verified: 20 November 2019 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2019-2774 Related CVEs: CVE-2019-11746 CVE-2019-11739 CVE-2019-11742 CVE-2019-11752 CVE-2019-11740 CVE-2019-11744 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]
🟡 Medium ⏱ 5–30 min Last verified: 19 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 […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE security advisory Related CVEs: CVE-2011-0343 CVE-2011-1951 Upstream summary: Balabit syslog-ng 2.0, 3.0, 3.1, 3.2 OSE and PE, when running on FreeBSD or HP-UX, does not properly perform cast operations, which causes syslog-ng to […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read • Source: Arch ASA ASA-201807-2 Related CVEs: CVE-2018-10859 CVE-2018-10857 Upstream summary: Type: multiple issues. Status: Fixed. Affected: 6.20180529-18. Fixed in: 6.20180626-1. Group: AVG-725. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]
How to Configure syslog-ng for Centralised Syslog on RHEL 7 Every Linux system generates a continuous stream of log data from the kernel, system services, and applications. On a single host, rsyslog handles this adequately, but when you need to aggregate logs from dozens or hundreds of servers into a central repository, filter them intelligently, […]
🟢 Low ⏱ 5–15 min Last verified: 19 November 2019 Affected versions: Debian 9 (stretch) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2019-17626 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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