April 2023 - Page 65 of 69

How To Write Conditional Statements in JavaScript — step-by-step Javascript tutorial on Progressive Robot

How To Write Conditional Statements in JavaScript

In programming, there will be many occasions in which you will want different blocks of code to run depending on user input or other factors. As an example, you might want a form to submit if each field is filled out properly, but you might want to prevent that form from…

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Cómo instalar y usar Docker en Ubuntu 20.04 — step-by-step Docker tutorial on Progressive Robot

Cómo instalar y usar Docker en Ubuntu 20.04

Docker es una aplicación que simplifica el proceso de administración de procesos de aplicación en contenedores. Los contenedores le permiten ejecutar sus aplicaciones en procesos con aislamiento de recursos. Son similares a las máquinas virtuales,…

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How to Monitor MySQL with Percona Monitoring and Management on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Monitor MySQL with Percona Monitoring and Management on RHEL 8

Percona Monitoring and Management (PMM) is an open-source platform that provides deep visibility into MySQL, MariaDB, PostgreSQL, and MongoDB performance — including query analytics, slow-query identification, and time-series dashboards — without requiring a commercial licence. Running PMM Server as a Docker container keeps the server component isolated and easy to upgrade, while the lightweight PMM […]

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Amazon Linux 2 — python-mako — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — python-mako — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2023-2164 Related CVEs: CVE-2022-40023 Upstream summary: Sqlalchemy mako before 1.2.2 is vulnerable to Regular expression Denial of Service when using the Lexer class to parse. This also affects babelplugin and […]

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Oracle Linux 9 — Kdump Might Fail on Some AMD Hardware — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — Kdump Might Fail on Some AMD Hardware

🟠 High   ⏱ 5–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: Oracle Bug 31274238 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 […]

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Windows Server 2016 — KB5022840 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5022840 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5022840 • MSRC update-guide entry Related CVEs: CVE-2023-21689 CVE-2023-21690 CVE-2023-21692 CVE-2023-21684 CVE-2023-21701 CVE-2023-21797 CVE-2023-21798 CVE-2023-21799  +12 more Affected components: Windows Server 2016 Table of contents Symptom & Impact Environment & Reproduction Root […]

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Common Problems 122572

Boot Delays Due to Missing Mount in fstab

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: FreeBSD 14 📖 ~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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IBM AIX 7.3 — CVE-2021-29905 — xss — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-2021-29905 — xss — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 25 May 2026 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-2021-29905, IBM Support Bulletin CVE: CVE-2021-29905 NVD summary: IBM Jazz for Service Management 1.1.3.10 and IBM Tivoli Netcool/OMNIbus_GUI is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code […]

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