Linux

Alpine Linux 3.20 — libosip2 — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — libosip2 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 5.3.1-r0 📖 ~4 min read  •  Source: Alpine secdb entry — libosip2 5.3.1-r0 Related CVEs: CVE-2022-41550 Upstream summary: Alpine community repository for vv3.20 ships libosip2 5.3.1-r0 which addresses CVE-2022-41550. Table of contents Symptom & Impact Environment […]

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Oracle Linux 9 — capstone — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — capstone — vulnerability — patch and remediation guide (ELSA-2026-4898)

🟡 Medium   ⏱ 10–30 min  Last verified: 20 July 2025 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-4898 Related CVEs: CVE-2025-67873 CVE-2025-68114 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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How to Configure Virtual Hosts in Apache on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Configure Virtual Hosts in Apache on RHEL 10

Introduction RHEL 10 ships with a stable, security-hardened base that makes deploying configure virtual hosts in apache both straightforward and auditable. This tutorial covers the complete procedure for how to Configure Virtual Hosts in Apache on RHEL 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. […]

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Alpine Linux 3.20 — synapse — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — synapse — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 1.95.1-r0 📖 ~4 min read  •  Source: Alpine secdb entry — synapse 1.95.1-r0 Related CVEs: CVE-2023-43796 CVE-2023-45129 CVE-2023-41335 CVE-2023-42453 CVE-2023-32683 CVE-2023-32682 CVE-2023-32323 CVE-2022-39335  +12 more Upstream summary: Alpine community repository for vv3.20 ships synapse 1.95.1-r0 which […]

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AlmaLinux 8 — galera — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — galera — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2026:0225 Related CVEs: CVE-2025-13699 CVE-2022-32081 CVE-2022-32082 CVE-2022-32084 CVE-2022-32089 CVE-2022-32091 CVE-2022-38791 CVE-2022-47015  +12 more Upstream summary: MariaDB is a multi-user, multi-threaded SQL database server that is binary compatible with MySQL. Security Fix(es): * […]

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Oracle Linux 9 — java-11-openjdk — security and stability fixes — required update — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — java-11-openjdk — security and stability fixes — required update (ELSA-2022-7013)

🟡 Medium   ⏱ 10–30 min  Last verified: 19 July 2025 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-7013 Related CVEs: CVE-2022-21618 CVE-2022-39399 CVE-2022-21619 CVE-2022-21624 CVE-2022-21626 CVE-2022-21628 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Common Problems 127207

CentOS Stream 10 – Common Problem 125 – Diagnosis and Fix

🔴 Critical   ⏱ 5–30 min  Last verified: 19 July 2025 Affected versions: CentOS Stream 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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Common Problems 114044

RHEL 10 – Cockpit Web Console Unreachable Over HTTPS – Service and Firewall Repair

🟡 Medium   ⏱ 5–30 min  Last verified: 19 July 2025 Affected versions: 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 & Hardening Related […]

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How to Configure PostgreSQL Replication on CentOS Stream 10 — step-by-step CentOS Stream 10 tutorial on Progressive Robot

How to Configure PostgreSQL Replication on CentOS Stream 10

Introduction This tutorial demonstrates how to Configure PostgreSQL Replication on CentOS Stream 10 on CentOS Stream 10. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered CentOS Stream 10 system with the default […]

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Common Problems 123980

Oracle Linux 10 – DNF upgrade aborted by modular dependency conflicts – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 19 July 2025 Affected versions: Oracle Linux 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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