Ubuntu 18.04

Ubuntu 18.04 — zlib — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — zlib — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 April 2023 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5570-1 Related CVEs: CVE-2022-37434 CVE-2018-25032 Upstream summary: Evgeny Legerov discovered that zlib incorrectly handled memory when performing certain inflate operations. An attacker could use this issue to cause zlib to […]

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Containerizing a Node.js Application for Development With Docker Compose — step-by-step Docker tutorial on Progressive Robot

Containerizing a Node.js Application for Development With Docker Compose

If you are actively developing an application, Docker can simplify your workflow and the process of deploying your application to production. This tutorial will show you how to set up a development environment for a Node.js application using Docker. You will create two containers — one for the Node application and another for the MongoDB database — with Docker Compose. At the end of this tutorial, you will have a working shark information application running on Docker containers.

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Como instalar o Nginx no Ubuntu 18.04 [Início rápido] — step-by-step Linux tutorial on Progressive Robot

Como instalar o Nginx no Ubuntu 18.04 [Início rápido]

O Nginx é um dos servidores Web mais populares no mundo e é responsável por hospedar alguns dos sites de maior tráfego na Internet. Ele é mais amigável do que o Apache em termos de recursos na maioria dos casos e pode ser usado como um servidor Web ou como proxy…

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Common Problems 117944

Ubuntu 18.04 drops to GRUB rescue prompt

🟡 Medium   ⏱ 5–30 min  Last verified: 21 April 2023 📖 ~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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Ubuntu 18.04 — pdns — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — pdns — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 17 April 2023 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7203-1 Related CVEs: CVE-2018-1046 CVE-2018-10851 CVE-2018-14626 CVE-2018-14644 CVE-2020-17482 CVE-2022-27227 Upstream summary: Wei Hao discovered that PowerDNS Authoritative Server incorrectly handled memory when accessing certain files. An attacker could possibly use […]

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Common Problems 117953

Ubuntu 18.04 LTS swap thrashing causes severe slowdown

🟡 Medium   ⏱ 5–30 min  Last verified: 11 April 2023 📖 ~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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Ubuntu 18.04 — maradns — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — maradns — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 April 2023 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6271-1 Related CVEs: CVE-2022-30256 CVE-2023-31137 Upstream summary: Xiang Li discovered that MaraDNS incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted […]

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