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Alpine Linux 3.20 — libsoup — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — libsoup — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 2.68.2-r0 📖 ~4 min read  •  Source: Alpine secdb entry — libsoup 2.68.2-r0 Related CVEs: CVE-2019-17266 CVE-2017-2885 Upstream summary: Alpine community repository for vv3.20 ships libsoup 2.68.2-r0 which addresses CVE-2019-17266. Table of contents Symptom & Impact […]

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Debian 13 — netkit-telnet-ssl — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — netkit-telnet-ssl — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 6 November 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-0640 CVE-2004-0911 CVE-2004-0998 CVE-2005-0469 CVE-2020-10188 Upstream summary: Format string vulnerability in the SSL_set_verify function in telnetd.c for SSLtelnet daemon (SSLtelnetd) 0.13 allows remote attackers to execute arbitrary code. […]

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Alpine Linux 3.20 — glib-networking — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — glib-networking — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 2.64.3-r0 📖 ~4 min read  •  Source: Alpine secdb entry — glib-networking 2.64.3-r0 Related CVEs: CVE-2020-13645 Upstream summary: Alpine community repository for vv3.20 ships glib-networking 2.64.3-r0 which addresses CVE-2020-13645. Table of contents Symptom & Impact Environment […]

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How to Configure Apache Virtual Hosts on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Configure Apache Virtual Hosts on RHEL 9

Apache virtual hosts are the mechanism by which a single Apache HTTP Server instance serves multiple websites, distinguishing between them using the ServerName directive and the incoming Host HTTP header. Name-based virtual hosting (the most common type) allows hundreds of domains to share a single IP address, with Apache routing each request to the correct […]

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How to Configure MySQL Group Replication on SLES 16 — step-by-step SUSE Linux Enterprise 16 tutorial on Progressive Robot

How to Configure MySQL Group Replication on SLES 16

Introduction This tutorial covers How to Configure MySQL Group Replication on SLES 16 on SLES 16. SLES 16 (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 16 system is up to date: zypper […]

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How to Configure Redis Cluster on SLES 16 — step-by-step SUSE Linux Enterprise 16 tutorial on Progressive Robot

How to Configure Redis Cluster on SLES 16

Introduction This tutorial covers How to Configure Redis Cluster on SLES 16 on SLES 16. SLES 16 (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 16 system is up to date: zypper refresh […]

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How to Configure Nginx Server Blocks (Virtual Hosts) on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Configure Nginx Server Blocks (Virtual Hosts) on RHEL 9

Nginx server blocks (the equivalent of Apache virtual hosts) allow a single Nginx instance to serve multiple websites from the same IP address, distinguished by the server_name directive. Each block is an independent configuration defining the domain name, document root, SSL settings, URL rewrite rules, logging, and location-specific behaviour. On RHEL 9, server block files […]

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Debian 13 — slashem — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — slashem — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 November 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2003-0358 CVE-2003-0359 Upstream summary: Buffer overflow in (1) nethack 3.4.0 and earlier, and (2) falconseye 1.9.3 and earlier, which is based on nethack, allows local users to gain […]

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Common Problems 119492

Debian 13 – nftables Rules Lost After Reboot – Persistence and Policy Fix

🟡 Medium   ⏱ 5–30 min  Last verified: 6 November 2025 Affected versions: Debian 13 (Trixie) 📖 ~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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Debian 13 — libeddsa-java — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — libeddsa-java — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 November 2025 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-36843 Upstream summary: The implementation of EdDSA in EdDSA-Java (aka ed25519-java) through 0.3.0 exhibits signature malleability and does not satisfy the SUF-CMA (Strong Existential Unforgeability under Chosen Message Attacks) […]

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