February 2021 - Page 10 of 62

Common Problems 119130

Ubuntu 14.04 LTS SNMP Monitoring Gaps After Community String Rotation

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: 14.04 LTS đź“– ~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 118463

Ubuntu 16.04 LTS – inode exhaustion despite available disk space – Fix & Prevention

đźź  High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Ubuntu 16.04 LTS đź“– ~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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Arch Linux — sddm — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — sddm — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) đź“– ~4 min read  â€˘  Source: Arch ASA ASA-202011-8 Related CVEs: CVE-2020-28049 Upstream summary: Type: privilege escalation. Status: Fixed. Affected: 0.18.1-3. Fixed in: 0.19.0-1. Group: AVG-1266. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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Common Problems 114030

RHEL 10 – NetworkManager connection drops caused by incorrect MTU on VLAN – Fix & Prevention

đźź  High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: RHEL 10.0 RHEL 10.1 đź“– ~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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How to Configure Vault PKI Secrets Engine on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Configure Vault PKI Secrets Engine on Oracle Linux 8

Introduction This tutorial demonstrates how to Configure Vault PKI Secrets Engine 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 […]

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Common Problems 113999

RHEL 10 – SSH public key login denied by SELinux context mismatch – Fix & Prevention

đźź  High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: RHEL 10.0 RHEL 10.1 đź“– ~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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How To Work with Strings in PHP — step-by-step Programming tutorial on Progressive Robot

How To Work with Strings in PHP

A string is a sequence of one or more characters that may consist of letters, numbers, or symbols. In this article, you will learn how to create and view the output of strings, use escape sequences, concatenate strings, store strings in variables, and the rules of using quotes, apostrophes, and newlines within strings in PHP.

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FreeBSD 12 — wavpack — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — wavpack — multiple vulnerabilities (13 CVEs) — patch and remediation guide

đźź  High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 đź“– ~4 min read  â€˘  Source: FreeBSD VuXML VuXML topic: wavpack — integer overflow in pack_utils.c Related CVEs: CVE-2016-10169 CVE-2016-10170 CVE-2016-10171 CVE-2016-10172 CVE-2018-10536 CVE-2018-10537 CVE-2018-10538 CVE-2018-10539  +5 more Upstream summary: The wavpack project reports: src/pack_utils.c – issue #91: fix integer […]

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