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AlmaLinux 8 — elfutils — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — elfutils — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2022:2055 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Debian 11 — wyrd — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — wyrd — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 September 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-0806 Upstream summary: wyrd 1.4.3b allows local users to overwrite arbitrary files via a symlink attack on the wyrd-tmp.[USERID] temporary file. Table of contents Symptom & Impact Environment […]

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

Debian 10 — sogo — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 September 2021 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-33054 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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VMware ESXi 7.0 — syslog — multiple ESXi vulnerabilities (2 CVEs) — VIB / vLCM patch and remediation guide — diagnosis and fix on VMware ESXi 7.0

VMware ESXi 7.0 — syslog — multiple ESXi vulnerabilities (2 CVEs) — VIB / vLCM patch and remediation guide

🔴 Critical   ⏱ 30–120 min  Last verified: 25 May 2026 Affected versions: VMware ESXi 7.0 📖 ~4 min read  •  Source: VMware advisory VMSA-2022-0029 Related CVEs: CVE-2021-44228 CVE-2021-45046 Fixed image profile / build: ESXi70U3d-19482537 Upstream summary: VMware products bundle vulnerable log4j builds; ESXi syslog and Update Manager components are remediated alongside vCenter. Table of […]

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Common Problems 117532

Ubuntu 20.04 LTS Cloud-Init Rewrites Network on Reboot

🟡 Medium   ⏱ 5–30 min  Last verified: 25 September 2021 Affected versions: 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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Oracle Linux 8 — glibc security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — glibc security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2020-1828)

🟢 Low   ⏱ 5–15 min  Last verified: 24 September 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-1828 Related CVEs: CVE-2019-19126 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 121051

Clock Drift Causes TLS and Job Scheduling Issues

🟡 Medium   ⏱ 5–30 min  Last verified: 24 September 2021 Affected versions: Debian 10 📖 ~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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IBM AIX 7.2 — CVE-2021-29812 — xss — patch and remediation guide — diagnosis and fix on IBM AIX 7.2

IBM AIX 7.2 — CVE-2021-29812 — xss — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 24 September 2021 Affected versions: IBM AIX 7.2 📖 ~4 min read  •  Source: NVD CVE-2021-29812, IBM Support Bulletin CVE: CVE-2021-29812 NVD summary: IBM Jazz for Service Management 1.1.3.10 and IBM Tivoli Netcool/OMNIbus_GUI is vulnerable to stored cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript […]

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How to Configure OPcache for PHP on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Configure OPcache for PHP on SLES 12

Introduction This tutorial covers How to Configure OPcache for PHP on SLES 12 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 […]

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Common Problems 117419

Ubuntu 20.04 Bluetooth device not detected

🟡 Medium   ⏱ 5–30 min  Last verified: 24 September 2021 📖 ~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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