2020 - Page 222 of 735

Common Problems 118465

GRUB Rescue Prompt After Kernel or Disk Changes

🟡 Medium   ⏱ 5–30 min  Last verified: 10 September 2020 📖 ~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 114898

RHEL 8 DNF Metadata Download Fails With Curl Error

🟡 Medium   ⏱ 5–30 min  Last verified: 10 September 2020 📖 ~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 & Cross-Refs References & Further […]

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How to Configure restic Backup Solution on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Configure restic Backup Solution on Debian 10

Introduction How to Configure restic Backup Solution on Debian 10 is a fundamental operation for any administrator maintaining a Debian 10 Buster server. Debian 10 Buster ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 10. […]

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Common Problems 113026

Windows Server 2016 SMB Multichannel Disabled After NIC Driver Update – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 10 September 2020 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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Ubuntu 20.04 — kamailio — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — kamailio — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 10 September 2020 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7416-1 Related CVEs: CVE-2016-2385 CVE-2018-14767 CVE-2020-28361 CVE-2018-16657 CVE-2020-27507 Upstream summary: Stelios Tsampas discovered that Kamailio did not correctly handle certain memory operations, which could lead to a buffer overflow. A […]

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How to Configure Group Policy on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Configure Group Policy on Windows Server 2012 R2

How to Configure Group Policy on Windows Server 2012 R2 Group Policy is the primary mechanism for centrally managing the configuration of users and computers in an Active Directory environment. Through Group Policy Objects (GPOs), administrators can enforce security settings, deploy software, configure Windows components, map drives, set desktop wallpaper, restrict access to Control Panel, […]

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How to Install Node.js on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install Node.js on RHEL 8

Node.js is a JavaScript runtime built on Chrome’s V8 engine, widely used for building fast, scalable network applications, REST APIs, and real-time services. RHEL 8 provides Node.js through two channels: the built-in AppStream module system and the NodeSource third-party repository, which typically offers newer LTS releases. This tutorial covers both installation methods, verifying the installation, […]

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