chris

Ubuntu 16.04 — lxml — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — lxml — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 20 October 2021 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5225-1 Related CVEs: CVE-2021-43818 CVE-2021-28957 CVE-2020-27783 CVE-2018-19787 Upstream summary: It was discovered that lxml incorrectly handled certain XML and HTML files. An attacker could possibly use this issue to execute […]

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Установка Node.js в Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

Установка Node.js в Ubuntu 20.04

Node.js — это среда выполнения JavaScript для программирования на стороне сервера. Она позволяет разработчикам создавать масштабируемый серверный функционал с помощью JavaScript, языка, который многим уже знаком по веб-разработке под браузер. В этом…

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Ubuntu 16.04 — librecad — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — librecad — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 20 October 2021 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5957-1 Related CVEs: CVE-2018-19105 CVE-2021-21898 CVE-2021-21899 CVE-2021-21900 CVE-2021-45341 CVE-2021-45342 CVE-2021-45343 Upstream summary: Cody Sixteen discovered that LibreCAD incorrectly handled memory when parsing DXF files. An attacker could use this issue […]

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openSUSE Tumbleweed — umoci — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — umoci — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2021:0548-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-29136 CVE-2021-41190 Upstream summary: Open Container Initiative umoci before 0.4.7 allows attackers to overwrite arbitrary host paths via a crafted image that causes symlink traversal […]

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How to deploy your React app using Container Registry — step-by-step Docker tutorial on Progressive Robot

How to deploy your React app using Container Registry

Introduction The advent of cloud-native computing has greatly transformed the landscape of building and distributing software. You have various tools to facilitate everything from integrating and packaging application code to deploying and scaling it. The practice of doing this is known as DevOps, and the concept that sits at the heart of modern-day DevOps is […]

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Oracle Linux 8 — freeradius:3.0 — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — freeradius:3.0 — security and stability fixes — required update (ELSA-2019-3353)

🟡 Medium   ⏱ 10–30 min  Last verified: 19 October 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-3353 Related CVEs: CVE-2019-10143 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 119068

Ubuntu 14.04 LTS – network interface does not come up after reboot

🟠 High   ⏱ 5–30 min  Last verified: 19 October 2021 Affected versions: Ubuntu 14.04 LTS Ubuntu 14.04 Ubuntu 14.04.6 📖 ~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 […]

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AlmaLinux 8 — libXi — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — libXi — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALEA-2020:4742 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Common Problems 118960

Ubuntu 14.04 LTS SSH Login Hangs After Banner Update

🟡 Medium   ⏱ 5–30 min  Last verified: 19 October 2021 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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How to Install InfluxDB on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Install InfluxDB on SLES 15

Introduction This tutorial covers How to Install InfluxDB 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 refresh && […]

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