Operations

Ubuntu 20.04 — nvidia-graphics-drivers-510 — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — nvidia-graphics-drivers-510 — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 28 September 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5547-1 Related CVEs: CVE-2022-31607 CVE-2022-31608 CVE-2022-31615 CVE-2022-21813 CVE-2022-21814 Upstream summary: Le Wu discovered that the NVIDIA graphics drivers did not properly perform input validation in some situations. A local user […]

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Ubuntu 22.04 — mozjs91 — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — mozjs91 — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 28 September 2022 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5494-1 Related CVEs: CVE-2022-28285 CVE-2022-31740 https://launchpad.net/bugs/1978961 https://launchpad.net/bugs/1976260 Upstream summary: It was discovered that SpiderMonkey JavaScript Library incorrectly generated certain assembly code. An remote attacker could possibly use this issue to […]

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openSUSE Tumbleweed — fwupd — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — fwupd — multiple vulnerabilities (2 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-2020:0849-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-10759 CVE-2022-3287 Upstream summary: A PGP signature bypass flaw was found in fwupd (all versions), which could lead to the installation of unsigned firmware. As […]

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FreeBSD 13 — mariadb100-server — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — mariadb100-server — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 28 September 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: MySQL — multiple vulnerabilities Related CVEs: CVE-2015-3194 CVE-2015-4792 CVE-2015-4802 CVE-2015-4807 CVE-2015-4815 CVE-2015-4826 CVE-2015-4830 CVE-2015-4836  +12 more Upstream summary: Oracle reports: Please reference CVE/URL list for details Not all listed CVE's […]

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How to Set Up Azure Site Recovery for Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Set Up Azure Site Recovery for Windows Server 2016

How to Configure Azure Site Recovery for Windows Server 2016 Azure Site Recovery (ASR) is a Microsoft Azure service that provides disaster recovery capabilities by continuously replicating on-premises workloads to Azure or to a secondary on-premises site. When a disaster occurs, ASR enables rapid failover to the replicated environment, bringing your workloads back online with […]

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Common Problems 116965

Ubuntu 22.04 LTS – Snap app fails to launch after refresh – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 28 September 2022 Affected versions: Ubuntu 22.04 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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Common Problems 118092

Ubuntu 18.04 LTS Nginx returns 502 Bad Gateway to upstream

🟡 Medium   ⏱ 5–30 min  Last verified: 27 September 2022 📖 ~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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Common Problems 118006

Ubuntu 18.04 LTS – memory pressure triggers OOM kills and random restarts – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 27 September 2022 Affected versions: Ubuntu 18.04 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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