June 2020 - Page 65 of 66

Common Problems 117412

Ubuntu 20.04 LTS – dpkg interrupted state blocks package operations – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Ubuntu 20.04 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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Common Problems 115011

RHEL 8 tuned Profile Misconfiguration Causing Latency Spikes

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 📖 ~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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Debian 10 — ldm — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — ldm — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-20373 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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Common Problems 114041

RHEL 10 – journald persistent logs consume excessive disk space – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: RHEL 10 📖 ~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 Manage Storage with Parted on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Manage Storage with Parted on SLES 15

Introduction This tutorial covers How to Manage Storage with Parted on SLES 15 on SLES 15. SLES 15 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 15 system is up to date: zypper […]

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Ubuntu 18.04 — velocity-tools — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — velocity-tools — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6282-1 Related CVEs: CVE-2020-13959 Upstream summary: Jackson Henry discovered that Velocity Tools incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted […]

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

Oracle Linux 8 — dovecot — vulnerability — patch and remediation guide (ELSA-2020-3713)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-3713 Related CVEs: CVE-2020-12674 CVE-2020-12100 CVE-2020-12673 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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How To Manage Your Cluster with Chef and Knife on Ubuntu — step-by-step Linux tutorial on Progressive Robot

How To Manage Your Cluster with Chef and Knife on Ubuntu

`knife` is a command line tool packaged with Chef. You’ve likely already used knife to create and manage Chef cookbooks, data bags, or roles. This guide will introduce you to some new knife subcommands for issuing commands and getting information about your Chef cluster.

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