Logging Monitoring

openSUSE Tumbleweed — python36-Jinja2 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — python36-Jinja2 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2019:1395-1 (see also SUSE bugzilla) Related CVEs: CVE-2016-10745 CVE-2019-10906 CVE-2020-28493 Upstream summary: In Pallets Jinja before 2.8.1, str.format allows a sandbox escape. Table of contents Symptom & Impact Environment & Reproduction Root […]

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Ubuntu 20.04 — libpgjava — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — libpgjava — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 November 2020 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5238-1 Related CVEs: CVE-2020-13692 Upstream summary: It was discovered that PostgreSQL JDBC Driver incorrectly handled certain requests from external entities. A remote attacker could use this vulnerability to cause a […]

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Debian 10 — linux — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — linux — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 6 November 2020 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-8553 CVE-2018-12207 CVE-2018-20836 CVE-2019-13272 CVE-2019-14821 CVE-2019-2182 CVE-2019-3016 CVE-2020-2732  +5 more Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – […]

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Oracle Linux 8 — gettext — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — gettext — vulnerability — patch and remediation guide (ELSA-2019-3643)

🟢 Low   ⏱ 5–15 min  Last verified: 5 November 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-3643 Related CVEs: CVE-2018-18751 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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Oracle Linux 8 — flatpak — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — flatpak — security and stability fixes — required update (ELSA-2022-1792)

🟡 Medium   ⏱ 10–30 min  Last verified: 5 November 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-1792 Related CVEs: CVE-2021-43860 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 117459

Ubuntu 20.04 high CPU usage from gnome-shell

🟡 Medium   ⏱ 5–30 min  Last verified: 5 November 2020 📖 ~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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Oracle Linux 8 — python-urllib3 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — python-urllib3 — vulnerability — patch and remediation guide (ELSA-2021-1631)

🟡 Medium   ⏱ 10–30 min  Last verified: 5 November 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-1631 Related CVEs: CVE-2020-26137 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 112501

Windows Server 2019 – HNS fails to create container network after policy changes – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 5 November 2020 Affected versions: Windows Server 2019 📖 ~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 GitLab CI/CD on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Configure GitLab CI/CD on Oracle Linux 8

Introduction Oracle Linux 8 ships with a stable, security-hardened base that makes deploying configure gitlab ci/cd on oracle linux 8 both straightforward and auditable. This tutorial covers the complete procedure for how to Configure GitLab CI/CD on Oracle Linux 8, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for […]

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