Package Management

FreeBSD 12 — php55-pgsql — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — php55-pgsql — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: php5 — multiple vulnerabilities Related CVEs: CVE-2015-4643 CVE-2015-4644 Upstream summary: The PHP project reports: DOM and GD: Fixed bug #69719 (Incorrect handling of paths with NULs). FTP: Improved fix for […]

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Common Problems 114941

RHEL 8 Kernel Updated but GRUB Boots Older Kernel by Default

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 📖 ~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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Common Problems 114529

XFS Root Filesystem Full And LVM Extension Needed

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 📖 ~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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SLES 15 — sysconfig — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — sysconfig — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2012:0096-1 (see also SUSE bugzilla) Related CVEs: CVE-2011-4182 Upstream summary: Missing escaping of ESSID values in sysconfig of SUSE Linux Enterprise allows attackers controlling an access point to cause execute arbitrary code. […]

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Oracle Linux 8 — python-psutil — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — python-psutil — vulnerability — patch and remediation guide (ELSA-2021-4324)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-4324 Related CVEs: CVE-2019-18874 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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How to Install and Configure Consul for Service Discovery on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Install and Configure Consul for Service Discovery on RHEL 9

In a microservices environment, services need a reliable way to discover each other without hardcoded IP addresses. HashiCorp Consul solves this with a distributed key-value store, a DNS interface, and an HTTP API that services query to locate healthy peers. On RHEL 9, Consul runs as a systemd service and integrates cleanly with firewalld. This […]

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Debian 10 — mosquitto — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — mosquitto — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-11779 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Common Problems 115981

Ubuntu 26.04 LTS – Wi-Fi adapter not detected after reboot – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Ubuntu 26.04 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 113965

RHEL 10 – NetworkManager drops static route after reboot

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: RHEL 10 RHEL 10.0 RHEL 10.1 📖 ~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 & […]

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Arch Linux — zsh — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — zsh — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-201804-5 Related CVEs: CVE-2018-1100 CVE-2018-7549 CVE-2018-7548 CVE-2018-13259 CVE-2018-0502 Upstream summary: Type: arbitrary code execution. Status: Fixed. Affected: 5.4.2-2. Fixed in: 5.5-1. Group: AVG-669. Table of contents Symptom & Impact Environment […]

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