Linux

Common Problems 115506

RHEL 7 yum GPG Key Mismatch on Repository Metadata

🟡 Medium   ⏱ 5–30 min  Last verified: 14 February 2021 Affected versions: RHEL 7 📖 ~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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Amazon Linux 2 — libjpeg-turbo — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — libjpeg-turbo — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2023-2254 Related CVEs: CVE-2020-17541 CVE-2021-29390 CVE-2021-46822 CVE-2016-3616 CVE-2018-11212 CVE-2018-11213 CVE-2018-11214 CVE-2018-11813  +1 more Upstream summary: Libjpeg-turbo all version have a stack-based buffer overflow in the "transform" component. A remote attacker […]

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Oracle Linux 8 — Updating libss Package Might Fail if libss-devel Package Is Installed — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Updating libss Package Might Fail if libss-devel Package Is Installed

🟠 High   ⏱ 5–30 min  Last verified: 13 February 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: Oracle Bug 32005190 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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Common Problems 119094

Ubuntu 14.04 LTS Python pip SSL Errors During Install

🟡 Medium   ⏱ 5–30 min  Last verified: 13 February 2021 📖 ~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 118932

Ubuntu 14.04 LTS boot drops to initramfs after abrupt power loss

🟠 High   ⏱ 5–30 min  Last verified: 13 February 2021 Affected versions: 14.04 📖 ~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 […]

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Alpine Linux edge — alpine — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — alpine — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 2.25-r0 📖 ~4 min read  •  Source: Alpine secdb entry — alpine 2.25-r0 Related CVEs: CVE-2021-38370 CVE-2020-14929 Upstream summary: Alpine community repository for vedge ships alpine 2.25-r0 which addresses CVE-2021-38370. Table of contents Symptom & Impact […]

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Common Problems 117529

Ubuntu 20.04 printer not printing or stuck in queue

🟡 Medium   ⏱ 5–30 min  Last verified: 13 February 2021 📖 ~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 115573

RHEL 7 – MariaDB Fails to Start Due to SELinux Boolean Misconfiguration

🟡 Medium   ⏱ 5–30 min  Last verified: 13 February 2021 📖 ~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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Как установить Java в Ubuntu с помощью Apt-Get — step-by-step Linux tutorial on Progressive Robot

Как установить Java в Ubuntu с помощью Apt-Get

Множество других статей и программ требует установленной Java. В этой статье мы осветим процесс установки и управления различными версиями Java. Это рекомендуемый и наиболее простой вариант. В Ubuntu 12.04 и более ранних…

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