December 2020 - Page 56 of 69

Oracle Linux 8 — kernel — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — kernel — security and stability fixes — required update (ELSA-2021-2570)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-2570 Related CVEs: CVE-2020-26541 CVE-2021-33034 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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Common Problems 117520

Ubuntu 20.04 LTS Throughput Drops on High Bandwidth Links

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 📖 ~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 113102

Windows Server 2016 — SMB signing and encryption policy mismatch causes file service latency spikes — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: Windows Server 2016 📖 ~2 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 113073

Windows Server 2016 — DFS Replication service backlog growth and stalls — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 03 May 2027 Affected versions: Windows Server 2016 📖 ~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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openSUSE Tumbleweed — libEMF1 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libEMF1 — 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-2020:0831-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-11865 CVE-2020-11863 CVE-2020-13999 Upstream summary: libEMF (aka ECMA-234 Metafile Library) through 1.0.11 allows out-of-bounds memory access. Table of contents Symptom & Impact Environment & Reproduction […]

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How to Configure DRBD for High Availability on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Configure DRBD for High Availability on Oracle Linux 8

Introduction This tutorial demonstrates how to Configure DRBD for High Availability on Oracle Linux 8 on Oracle Linux 8. 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 Oracle Linux 8 system with […]

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Data Visualization with Seaborn Line Plot — step-by-step Python tutorial on Progressive Robot

Data Visualization with Seaborn Line Plot

URL: https://www.progressiverobot.com/seaborn-line-plot/ Hello, folks! In this article, we will be taking the Seaborn tutorial ahead and understanding the Seaborn Line Plot. We recently covered [Seaborn HeatMaps](/community/tutorials/seaborn-heatmap-tutorial) so feel free to have a look if you're interested in learning more about heatmaps. What is a Line Plot? Seaborn as a library is used in Data visualizations […]

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Scala Interview Questions — step-by-step DevOps tutorial on Progressive Robot

Scala Interview Questions

URL: https://www.progressiverobot.com/scala-interview-questions/ Before reading this post, please go through my previous post at "[Scala Basic Interview Questions and Answers](/community/tutorials/scala-interview-questions-answers)" to get some basic knowledge about Scala Language. In this post, we are going to discuss about some more Scala Interview Questions which are useful for some experienced Scala Developers. Note:- As this list has already […]

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