Security Hardening

Common Problems 121579

Debian 9 SSH Public Key Authentication Fails

🟠 High   ⏱ 5–30 min  Last verified: 8 June 2020 Affected versions: Debian 9 📖 ~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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How to Configure SLES 12 for Machine Learning — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Configure SLES 12 for Machine Learning

Introduction This tutorial covers How to Configure SLES 12 for Machine Learning on SLES 12. SLES 12 (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 12 system is up to date: zypper refresh […]

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openSUSE Tumbleweed — iproxy — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — iproxy — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2016:1639-1 (see also SUSE bugzilla) Related CVEs: CVE-2016-5104 Upstream summary: The socket_create function in common/socket.c in libimobiledevice and libusbmuxd allows remote attackers to bypass intended access restrictions and communicate with services on […]

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How to Configure SNMP Traps on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Configure SNMP Traps on IBM AIX 7.2

Introduction IBM AIX 7.2 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure snmp traps on ibm aix 7.2 on IBM […]

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FreeBSD 12 — bind97-base — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — bind97-base — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 June 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: dns/bind9* — crash on deliberately constructed combination of records Related CVEs: CVE-2012-5166 Upstream summary: ISC reports: A deliberately constructed combination of records could cause named to hang while populating the […]

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How to Manage Node.js Versions with nvm on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Manage Node.js Versions with nvm on Debian 10

Introduction Deploying manage node.js versions with nvm on debian 10 on a Debian 10 Buster 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 […]

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FreeBSD 12 — bchunk — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — bchunk — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 8 June 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: bchunk — access violation near NULL on destination operand and crash Related CVEs: CVE-2017-15953 CVE-2017-15954 CVE-2017-15955 Upstream summary: Mitre reports: bchunk 1.2.0 and 1.2.1 is vulnerable to an "Access violation […]

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FreeBSD 12 — percona57-client — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — percona57-client — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 8 June 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: MySQL Client — Multiple vulerabilities Related CVEs: CVE-2020-2752 CVE-2020-2875 CVE-2020-2922 CVE-2020-2933 CVE-2020-2934 Upstream summary: Oracle reports: This Critical Patch Update contains 45 new security patches for Oracle MySQL. 9 of […]

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Gentoo Linux — www-misc/awstats — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — www-misc/awstats — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202007-37 Related CVEs: CVE-2017-1000501 Upstream summary: Multiple vulnerabilities have been discovered in AWStats. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment & Reproduction Root […]

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