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Common Problems 117557

Ubuntu 20.04 LTS – Docker daemon fails to start after storage driver conflict – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 16 March 2023 Affected versions: Ubuntu 20.04 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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How to Install Nagios on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Install Nagios on Oracle Linux 9

Introduction Setting up install nagios on oracle linux 9 on a Oracle Linux 9 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Install Nagios on Oracle Linux 9, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and […]

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AlmaLinux 9 — python-mako — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — python-mako — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2023:2258 Related CVEs: CVE-2022-40023 Upstream summary: Mako is a template library written in Python. It provides a familiar, non-XML syntax which compiles into Python modules for maximum performance. Security Fix(es): * python-mako: […]

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IBM AIX 7.3 — CVE-2007-1223 — denial of service — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-2007-1223 — denial of service — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 16 March 2023 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-2007-1223, IBM PSIRT advisory page CVE: CVE-2007-1223 NVD summary: Unspecified vulnerability in Hitachi OSAS/FT/W before 20070223 allows attackers to cause a denial of service (responder control processing halt) by sending "data unexpectedly […]

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Common Problems 114936

RHEL 8 journalctl Missing Historical Logs After Reboot

🟡 Medium   ⏱ 5–30 min  Last verified: 16 March 2023 📖 ~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 13 — py311-treq — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py311-treq — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 March 2023 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-treq — sensitive information leak vulnerability Related CVEs: CVE-2022-23607 Upstream summary: Treq's request methods (`treq.get`, `treq.post`, `HTTPClient.request`, `HTTPClient.get`, etc.) accept cookies as a dictionary. Such cookies are not bound to […]

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Alpine Linux edge — syslog-ng — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — syslog-ng — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 3.38.1-r0 📖 ~4 min read  •  Source: Alpine secdb entry — syslog-ng 3.38.1-r0 Related CVEs: CVE-2022-38725 Upstream summary: Alpine main repository for vedge ships syslog-ng 3.38.1-r0 which addresses CVE-2022-38725. Table of contents Symptom & Impact Environment […]

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FreeBSD 13 — py37-cryptography — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py37-cryptography — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 16 March 2023 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-cryptography — includes a vulnerable copy of OpenSSL Related CVEs: CVE-2018-10903 CVE-2023-0286 CVE-2023-23931 Upstream summary: pyca/cryptography's wheels include a statically linked copy of OpenSSL. The versions of OpenSSL included in […]

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How to Install Jenkins on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Install Jenkins on Debian 9

Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up install jenkins 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 the resulting […]

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