Ubuntu 22.04

Common Problems 117030

Ubuntu 22.04 LTS PAM Configuration Error Locks Out Sudo Access

🟡 Medium   ⏱ 5–30 min  Last verified: 29 May 2022 📖 ~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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How to Install WordPress with LEMP on Ubuntu 22.04 — step-by-step Linux tutorial on Progressive Robot

How to Install WordPress with LEMP on Ubuntu 22.04

WordPress, one of the most popular content management systems (CMS) on the internet, allows users to set up flexible blogs and websites using a MySQL backend with PHP processing. WordPress is a great choice for getting a website up and running efficiently. After an initial setup, almost all administration for WordPress websites can be done through its graphical interface.

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Ubuntu 22.04 — multipath-tools — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — multipath-tools — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2022 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5731-1 Related CVEs: CVE-2022-41973 CVE-2022-41974 Upstream summary: It was discovered that multipath-tools incorrectly handled symlinks. A local attacker could possibly use this issue, in combination with other issues, to escalate […]

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How To Install and Configure Nextcloud on Ubuntu 22.04 — step-by-step Linux tutorial on Progressive Robot

How To Install and Configure Nextcloud on Ubuntu 22.04

Nextcloud, a fork of ownCloud, is a file sharing server that permits you to store your personal content, like documents and pictures, in a centralized location, much like Dropbox. In this tutorial, we will install and configure a Nextcloud instance on an Ubuntu 22.04 server.

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How To Install Git on Ubuntu 22.04 — step-by-step Linux tutorial on Progressive Robot

How To Install Git on Ubuntu 22.04

In this guide, we will go through how to install and configure Git on an Ubuntu 22.04 server. We will cover how to install the software in two different ways: via the built-in package manager and via source. Each of these approaches comes with its own benefits depending on your specific needs.

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Ubuntu 22.04 — pdns — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — pdns — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 23 May 2022 Affected versions: Ubuntu 22.04 (jammy) 📖 ~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 117124

Ubuntu 22.04 LTS Docker Permission Denied on /var/run/docker.sock

🟡 Medium   ⏱ 5–30 min  Last verified: 22 May 2022 📖 ~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 117080

Ubuntu 22.04 LTS Node Exporter Missing Metrics After Service User Hardening

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2022 📖 ~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 22.04 — libetpan — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — libetpan — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 19 May 2022 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7740-1 Related CVEs: CVE-2022-4121 Upstream summary: It was discovered that LibEtPan incorrectly handled memory when parsing IMAP STATUS responses. A remote attacker could possibly use this issue to cause LibEtPan […]

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