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How to Configure Storage Tiering with Storage Spaces on Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Configure Storage Tiering with Storage Spaces on Windows Server 2019

Introduction to Storage Tiering with Storage Spaces on Windows Server 2019 Storage Tiering in Windows Server 2019 allows a single Storage Space virtual disk to span multiple classes of physical drives — such as NVMe or SSD drives for a “Performance” tier and HDD drives for a “Capacity” tier. Windows automatically moves frequently accessed (hot) […]

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Oracle Linux 8 — .NET 6.0 security and bugfix update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — .NET 6.0 security and bugfix update

🟠 High   ⏱ 15–60 min  Last verified: 12 November 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-0826 Related CVEs: CVE-2022-24464 CVE-2022-24512 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 121638

Postfix Queue Backlog Causing Delayed Email Delivery

🟡 Medium   ⏱ 5–30 min  Last verified: 12 November 2020 Affected versions: Debian 9 📖 ~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 118951

Ubuntu 14.04 LTS drops to grub rescue prompt on boot

🔴 Critical   ⏱ 5–30 min  Last verified: 12 November 2020 Affected versions: 14.04 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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FreeBSD 12 — py36-wagtail — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py36-wagtail — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 12 November 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Wagtail — XSS vulnerability Related CVEs: CVE-2020-11001 CVE-2020-11037 CVE-2020-15118 Upstream summary: GitHub Advisory Database: When a form page type is made available to Wagtail editors through the wagtail.contrib.forms app, and […]

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Common Problems 112506

Windows Server 2019 — WSUS WsusService crashes under SoftwareDistribution growth — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 12 November 2020 Affected versions: Windows Server 2019 📖 ~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 Set Up a Certificate Authority on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Set Up a Certificate Authority on Oracle Linux 8

Introduction How to Set Up a Certificate Authority on Oracle Linux 8 on Oracle Linux 8 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting […]

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Python id() — step-by-step Python tutorial on Progressive Robot

Python id()

URL: https://www.progressiverobot.com/python-id/ Python id() function returns the "identity" of the object. The identity of an object is an integer, which is guaranteed to be unique and constant for this object during its lifetime. Two objects with non-overlapping lifetimes may have the same id() value. In CPython implementation, this is the address of the object in […]

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Java create new file — step-by-step Programming tutorial on Progressive Robot

Java create new file

URL: https://www.progressiverobot.com/java-create-new-file/ Creating a file is a very common IO operation. Today we will look into different ways to create a file in java. Java create file ![java create file, java create new file](images/java-create-new-file-section-1.png) There are three popular methods to create file in java. Let's look at them one by one. ### File.createNewFile() java.io.File class […]

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