February 2021 - Page 17 of 57

Arch Linux — thunderbird — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — thunderbird — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • February 21, 2021
  • Linux
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🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202101-17 Related CVEs: CVE-2020-16044 CVE-2020-6831 CVE-2020-12397 CVE-2020-12395 CVE-2020-12392 CVE-2020-12387 CVE-2020-6821 CVE-2020-6820  +12 more Upstream summary: Type: arbitrary code execution. Status: Fixed. Affected: 78.6.0-3. Fixed in: 78.6.1-1. Group: AVG-1440. Table of […]

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

Oracle Linux 8 — bind — security and stability fixes — required update (ELSA-2023-3002)

  • February 20, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 20 February 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-3002 Related CVEs: CVE-2022-2795 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 118468

Read-only file system after unexpected reboot

🟡 Medium   ⏱ 5–30 min  Last verified: 20 February 2021 📖 ~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 113047

Windows Server 2016 — .NET Framework 4.8 install fails or repair leaves applications broken — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 20 February 2021 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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How to Configure IPv6 on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Configure IPv6 on Oracle Linux 8

Introduction This tutorial demonstrates how to Configure IPv6 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 the default AppStream […]

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How to Install Node.js via AIX Toolbox on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Install Node.js via AIX Toolbox on IBM AIX 7.1

  • February 20, 2021
  • IBM AIX
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Introduction IBM AIX 7.1 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to install node.js via aix toolbox on ibm aix 7.1 […]

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IBM AIX 7.2 — CVE-2021-29813 — xss — patch and remediation guide — diagnosis and fix on IBM AIX 7.2

IBM AIX 7.2 — CVE-2021-29813 — xss — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 20 February 2021 Affected versions: IBM AIX 7.2 📖 ~4 min read  •  Source: NVD CVE-2021-29813, IBM Support Bulletin CVE: CVE-2021-29813 NVD summary: IBM Jazz for Service Management 1.1.3.10 and IBM Tivoli Netcool/OMNIbus_GUI is vulnerable to stored cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript […]

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Mediator Design Pattern in Java — step-by-step Programming tutorial on Progressive Robot

Mediator Design Pattern in Java

URL: https://www.progressiverobot.com/mediator-design-pattern-java/ Mediator design pattern is one of the behavioral design pattern, so it deals with the behaviors of objects. Mediator design pattern is used to provide a centralized communication medium between different objects in a system. Mediator Design Pattern ![mediator pattern, mediator design pattern, mediator pattern java](images/mediator-design-pattern-java-section-1.png) According to GoF, mediator pattern intent is: […]

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SLES 15 — libonig4 — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libonig4 — multiple vulnerabilities (7 CVEs) — patch and remediation guide

  • February 20, 2021
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 20 February 2021 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-IU-2022:1093-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-19203 CVE-2019-19204 CVE-2019-19246 CVE-2019-13225 CVE-2019-13224 CVE-2019-16163 CVE-2020-26159 Upstream summary: An issue was discovered in Oniguruma 6.x before 6.9.4_rc2. In the function gb18030_mbc_enc_len in file gb18030.c, […]

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