Troubleshooting

Common Problems 114994

RHEL 8 NFS Mount Timeout During Boot

🟡 Medium   ⏱ 5–30 min  Last verified: 16 December 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 […]

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FreeBSD 12 — py32-amf — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py32-amf — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 December 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-amf — input sanitization errors Related CVEs: CVE-2015-8549 Upstream summary: oCERT reports: A specially crafted AMF payload, containing malicious references to XML external entities, can be used to trigger Denial […]

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How to Deploy a Node.js App with PM2 on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Deploy a Node.js App with PM2 on FreeBSD 12

Introduction FreeBSD 12 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up deploy a node.js app with pm2 on freebsd 12 on FreeBSD 12 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from […]

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How to Configure IBM DS8000 Storage on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Configure IBM DS8000 Storage 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 ibm ds8000 storage on ibm aix 7.2 on […]

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How to Configure SSL/TLS on Nginx on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure SSL/TLS on Nginx on Debian 9

Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up configure ssl/tls on nginx on debian 9 on Stretch leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Stretch freeze. Follow each step carefully and […]

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FreeBSD 12 — lifetype — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — lifetype — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 December 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: lifetype — ADOdb "server.php" Insecure Test Script Security Issue Related CVEs: CVE-2006-0146 Upstream summary: Secunia reports: A security issue has been discovered in LifeType, which can be exploited by malicious […]

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FreeBSD 12 — imwheel — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — imwheel — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 December 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: imwheel — insecure handling of PID file Upstream summary: A Computer Academic Underground advisory describes the consequences of imwheel's handling of the process ID file (PID file): imwheel exclusively uses […]

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

openSUSE Tumbleweed — tboot — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2017:3100-1 (see also SUSE bugzilla) Related CVEs: CVE-2017-16837 Upstream summary: Certain function pointers in Trusted Boot (tboot) through 1.9.6 are not validated and can cause arbitrary code execution, which allows local users […]

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SLES 15 — 389-ds — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — 389-ds — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 16 December 2019 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2019:1207-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-14624 CVE-2014-8105 CVE-2014-8112 CVE-2015-1854 CVE-2015-3230 CVE-2017-15134 CVE-2017-15135 CVE-2018-10850  +1 more Upstream summary: A vulnerability was discovered in 389-ds-base through versions 1.3.7.10, 1.3.8.8 and 1.4.0.16. The […]

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How to Configure a Python uWSGI Application Server on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure a Python uWSGI Application Server on Debian 9

Introduction This guide explains how to Configure a Python uWSGI Application Server on Debian 9 on Debian 9 Stretch. Debian Stretch 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 9 install […]

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