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How to Install Debian 9 Stretch on a Server — step-by-step Debian 9 tutorial on Progressive Robot

How to Install Debian 9 Stretch on a Server

Introduction Deploying install debian 9 stretch on a server 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 Before you […]

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Common Problems 112908

Windows Server 2016 – Storport miniport resets under heavy I/O – Fix and Prevention

🟠 High   ⏱ 5–30 min  Last verified: 25 February 2022 Affected versions: Windows Server 2016 📖 ~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 […]

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FreeBSD 13 — dircproxy — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — dircproxy — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 February 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: dircproxy — remote denial of service Related CVEs: CVE-2007-5226 Upstream summary: Securiweb reports: dircproxy allows remote attackers to cause a denial of service (segmentation fault) via an ACTION command without […]

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FreeBSD 13 — openssl-beta-overwrite-base — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — openssl-beta-overwrite-base — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 February 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: openssl — potential SSL 2.0 rollback Related CVEs: CVE-2005-2969 Upstream summary: Vulnerability: Such applications are affected if they use the option SSL_OP_MSIE_SSLV2_RSA_PADDING. This option is implied by use of SSL_OP_ALL, […]

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AlmaLinux 8 — egl-wayland — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — egl-wayland — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2022:1940 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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FreeBSD 13 — ruby20-gems — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — ruby20-gems — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 February 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: rubygems — request hijacking vulnerability Related CVEs: CVE-2013-4287 CVE-2013-4363 CVE-2015-3900 Upstream summary: Jonathan Claudius reports: RubyGems provides the ability of a domain to direct clients to a separate host that […]

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Debian 11 — nagios-nrpe — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — nagios-nrpe — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 February 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-1362 CVE-2014-2913 CVE-2020-6581 CVE-2020-6582 Upstream summary: Incomplete blacklist vulnerability in nrpc.c in Nagios Remote Plug-In Executor (NRPE) before 2.14 might allow remote attackers to execute arbitrary shell commands […]

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How to Enable OCSP Stapling on Nginx on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Enable OCSP Stapling on Nginx on Debian 11

Introduction This guide explains how to Enable OCSP Stapling on Nginx on Debian 11 on Debian 11 Bullseye. Debian Bullseye uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 11 install with […]

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AlmaLinux 8 — disruptor — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — disruptor — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALEA-2022:1963 Upstream summary: This enhancement update adds the log4j:2 module to AlmaLinux (BZ#1937468) For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table […]

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Amazon Linux 2 — nasm — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — nasm — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2023-2029 Related CVEs: CVE-2022-44370 CVE-2020-18780 CVE-2020-21528 CVE-2022-46457 Upstream summary: NASM v2.16 was discovered to contain a heap buffer overflow in the component quote_for_pmake() asm/nasm.c:856 (CVE-2022-44370) Table of contents Symptom & […]

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