February 2021 - Page 6 of 62

Arch Linux — netbeans — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — netbeans — vulnerability — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202009-7 Related CVEs: CVE-2020-11986 Upstream summary: Type: arbitrary code execution. Status: Fixed. Affected: 12.0-1. Fixed in: 12.0_u1-1. Group: AVG-1221. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Common Problems 114090

RHEL 10 – tuned profile changes are ignored after kernel update – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: RHEL 10.0 RHEL 10.1 📖 ~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 […]

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Ubuntu 20.04 — tidy-html5 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — tidy-html5 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6483-1 Related CVEs: CVE-2021-33391 Upstream summary: Neeraj Pal discovered that HTML Tidy incorrectly handled parsing certain HTML data. If a user or automated system were tricked into parsing specially crafted […]

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How to Configure GNU Make on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Configure GNU Make on IBM AIX 7.1

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 configure gnu make on ibm aix 7.1 on IBM […]

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How to Use AIX Backup and Restore (tar, cpio) on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Use AIX Backup and Restore (tar, cpio) on IBM AIX 7.2

Introduction IBM AIX 7.2 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 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to use aix backup and restore (tar, cpio) on ibm […]

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How to Set Up Remote Desktop Connection Broker on Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Set Up Remote Desktop Connection Broker on Windows Server 2019

How to Set Up Remote Desktop Connection Broker on Windows Server 2019 The Remote Desktop Connection Broker (RD Connection Broker) is a role service in Windows Server 2019 that manages user connections in a Remote Desktop Services deployment. It routes users to the least-loaded RD Session Host in a session collection, reconnects users to their […]

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

Oracle Linux 8 — telnet — vulnerability — patch and remediation guide (ELSA-2020-1318)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-1318 Related CVEs: CVE-2020-10188 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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How To Protect Sensitive Data in Terraform — step-by-step Devops tutorial on Progressive Robot

How To Protect Sensitive Data in Terraform

Terraform provides automation to provision your infrastructure in the cloud. To do this, Terraform authenticates with cloud providers to deploy the resources and perform the planned actions. However, the information Terraform needs for authentication is very valuable. In this tutorial, you’ll hide sensitive data in outputs during execution and store your state in a secure cloud object storage, which encrypts data at rest. You’ll also use tfmask to censor values in the Terraform execution.

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