Linux

Oracle Linux 10 — ipa — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 10

Oracle Linux 10 — ipa — vulnerability — patch and remediation guide (ELSA-2025-9190)

🟠 High   ⏱ 15–60 min  Last verified: 10 August 2025 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-9190 Related CVEs: CVE-2025-4404 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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openSUSE Leap 15.6 — perl — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

openSUSE Leap 15.6 — perl — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.6 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2019:695-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-6913 CVE-2025-40909 CVE-2018-6798 Upstream summary: Heap-based buffer overflow in the pack function in Perl before 5.26.2 allows context-dependent attackers to execute arbitrary code via […]

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Common Problems 124151

Oracle Linux 10 subscription-manager Repositories Suddenly Disabled

🟠 High   ⏱ 5–30 min  Last verified: 9 August 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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How to Configure Concourse CI on CentOS Stream 10 — step-by-step CentOS Stream 10 tutorial on Progressive Robot

How to Configure Concourse CI on CentOS Stream 10

Introduction CentOS Stream 10 ships with a stable, security-hardened base that makes deploying configure concourse ci on centos stream 10 both straightforward and auditable. This tutorial covers the complete procedure for how to Configure Concourse CI on CentOS Stream 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for […]

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Common Problems 124097

Oracle Linux 10 SSH Public Key Login Fails Due to Permission and SELinux Context Issues

🟠 High   ⏱ 5–30 min  Last verified: 9 August 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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Common Problems 124028

Oracle Linux 10 – firewalld Rules Not Persisting Across Reload – Policy Repair

🟡 Medium   ⏱ 5–30 min  Last verified: 9 August 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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How to Tune PostgreSQL Performance on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Tune PostgreSQL Performance on RHEL 10

Introduction RHEL 10 ships with a stable, security-hardened base that makes deploying tune postgresql performance both straightforward and auditable. This tutorial covers the complete procedure for how to Tune PostgreSQL Performance on RHEL 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. Prerequisites The procedure assumes […]

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Common Problems 116485

Ubuntu 24.04 LTS – time drift causes TLS and authentication failures – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 9 August 2025 Affected versions: Ubuntu 24.04 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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Debian 12 — mariadb — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — mariadb — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 9 August 2025 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-47015 CVE-2023-22084 CVE-2023-52969 CVE-2023-52970 CVE-2023-52971 CVE-2024-21096 CVE-2025-13699 CVE-2025-21490  +3 more Upstream summary: MariaDB Server before 10.3.34 thru 10.9.3 is vulnerable to Denial of Service. It is possible for […]

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