Linux

Common Problems 118991

Ubuntu 14.04 LTS root filesystem full from runaway logs

🟠 High   ⏱ 5–30 min  Last verified: 23 July 2019 Affected versions: 14.04 LTS 📖 ~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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Common Problems 115435

RHEL 7 SELinux Denies httpd Write Access

🟠 High   ⏱ 5–30 min  Last verified: 23 July 2019 Affected versions: RHEL 7 📖 ~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 Install Helm Package Manager for Kubernetes on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Install Helm Package Manager for Kubernetes on Debian 9

Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up install helm package manager for kubernetes 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 […]

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openSUSE Tumbleweed — perl-Config-IniFiles — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — perl-Config-IniFiles — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2012-2451 Upstream summary: The Config::IniFiles module before 2.71 for Perl creates temporary files with predictable names, which allows local users to overwrite arbitrary files via […]

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Common Problems 115061

RHEL 8 postfix Service Active but Not Listening on Expected Interface

🟡 Medium   ⏱ 5–30 min  Last verified: 23 July 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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Ubuntu 16.04 — jackd2 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — jackd2 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 23 July 2019 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5656-1 Related CVEs: CVE-2019-13351 Upstream summary: Joseph Yasi discovered that JACK incorrectly handled the closing of a socket in certain conditions. An attacker could potentially use this issue to cause […]

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Ubuntu 18.04 — iproute2 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — iproute2 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 23 July 2019 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4357-1 Related CVEs: CVE-2019-20795 Upstream summary: It was discovered that IPRoute incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code. Table of contents Symptom […]

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SLES 15 — libmpfr6 — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libmpfr6 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 23 July 2019 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory RHSA-2025:9332 (see also SUSE bugzilla) Related CVEs: CVE-2014-9474 Upstream summary: Buffer overflow in the mpfr_strtofr function in GNU MPFR before 3.1.2-p11 allows context-dependent attackers to have unspecified impact via vectors related to […]

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How to Configure PHP-FPM with Nginx on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Configure PHP-FPM with Nginx on RHEL 7

How to Configure PHP-FPM with Nginx on RHEL 7 PHP-FPM (FastCGI Process Manager) is the recommended way to run PHP alongside Nginx. Unlike Apache’s mod_php which embeds PHP directly into the web server process, PHP-FPM runs as a completely separate daemon. Nginx passes PHP requests to PHP-FPM over a Unix socket or TCP connection, and […]

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