Ubuntu 20.04

Ubuntu 20.04 — openvswitch — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — openvswitch — multiple vulnerabilities (9 CVEs) — patch and remediation guide

  • April 17, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 17 April 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6690-1 Related CVEs: CVE-2023-3966 CVE-2023-5366 CVE-2023-1668 CVE-2022-4337 CVE-2022-4338 CVE-2021-36980 CVE-2020-35498 CVE-2015-8011  +1 more Upstream summary: Timothy Redaelli and Haresh Khandelwal discovered that Open vSwitch incorrectly handled certain crafted Geneve packets […]

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How To Install Linux, Nginx, MySQL, PHP (LEMP stack) on Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

How To Install Linux, Nginx, MySQL, PHP (LEMP stack) on Ubuntu 20.04

  • April 16, 2023
  • Linux
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The LEMP software stack is a group of software that can be used to serve dynamic web pages and web applications written in PHP. This is an acronym that describes a Linux operating system, with an Nginx (pronounced like “Engine-X”) web server. The backend data is stored in a MySQL database, and dynamic processing is handled by PHP.

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Ubuntu 20.04 — scipy — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — scipy — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • April 15, 2023
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 15 April 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6226-1 Related CVEs: CVE-2023-25399 CVE-2023-29824 Upstream summary: It was discovered that SciPy did not properly manage memory operations during reference counting. An attacker could possibly use this issue to cause […]

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Cara Menginstal Server Web Apache pada Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

Cara Menginstal Server Web Apache pada Ubuntu 20.04

  • April 15, 2023
  • Linux
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Server HTTP Apache adalah server web yang paling banyak digunakan di dunia. Server web ini menyediakan banyak fitur canggih termasuk modul yang dapat dimuat secara dinamis, dukungan media yang kokoh, dan integrasi ekstensif dengan perangkat lunak populer lainnya. Dalam panduan ini, kami akan menjelaskan cara menginstal server web Apache di server Ubuntu 20.04 Anda.

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Common Problems 117527

Ubuntu 20.04 LTS – swap exhaustion leads to OOM kills under peak load – Fix & Prevention

  • April 14, 2023
  • Linux
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🔴 Critical   ⏱ 5–30 min  Last verified: 14 April 2023 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 117441

Ubuntu 20.04 LTS systemd Service Fails With Exit Code 203

  • April 13, 2023
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 13 April 2023 Affected versions: 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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Ubuntu 20.04へのPostgreSQLのインストールおよび使用方法 — step-by-step Linux tutorial on Progressive Robot

Ubuntu 20.04へのPostgreSQLのインストールおよび使用方法

  • April 12, 2023
  • Linux
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PostgreSQL、またはPostgresは、SQLクエリ言語の実装を提供するリレーショナルデータベース管理システムです。このガイドは、Ubuntu 20.04サーバーにPostgresをインストールする方法を示します。また、一般的なデータベース管理方法も紹介します。

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Common Problems 117548

Ubuntu 20.04 LTS – netplan apply fails due to YAML syntax errors

  • April 9, 2023
  • Linux
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🟠 High   ⏱ 5–30 min  Last verified: 9 April 2023 Affected versions: Ubuntu 20.04 LTS Ubuntu 20.04 Ubuntu 20.04.6 📖 ~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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Ubuntu 20.04 — lrzip — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — lrzip — multiple vulnerabilities (6 CVEs) — patch and remediation guide

  • April 9, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 9 April 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5840-1 Related CVEs: CVE-2018-5786 CVE-2020-25467 CVE-2021-27345 CVE-2021-27347 CVE-2022-26291 CVE-2022-28044 Upstream summary: It was discovered that Long Range ZIP incorrectly handled pointers. If a user or an automated system were tricked […]

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