Ubuntu 20.04

Ubuntu 20.04 — chrony — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — chrony — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 May 2020 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4475-1 Related CVEs: CVE-2020-14367 Upstream summary: It was discovered that Chrony incorrectly handled certain symbolic links. An attacker could possibly use this issue to cause a denial of service or […]

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Ubuntu 20.04 — httpcomponents-client — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — httpcomponents-client — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 May 2020 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5239-1 Related CVEs: CVE-2020-13956 Upstream summary: It was discovered that HttpClient mishandled certain input. An attacker could use this vulnerability to cause a crash or possibly execute arbitrary code. Table […]

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Comment monter un montage NFS sur Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

Comment monter un montage NFS sur Ubuntu 20.04

NFS, ou Network File System, est un protocole de système de fichiers distribué qui vous permet de monter des répertoires distants sur votre serveur. Cela vous permet de gérer un espace de stockage dans un autre emplacement et d’y écrire depuis plusieurs clients. NFS fournit un…

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Common Problems 117389

Ubuntu 20.04 Wi-Fi disconnects or fails to reconnect

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2020 📖 ~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 Centralize Logs With Journald on Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

How To Centralize Logs With Journald on Ubuntu 20.04

In this guide, you will configure a component of the systemd suite of tools to relay log messages from client systems to a centralized log collection server. You will configure the server and client to use TLS certificates to encrypt the log messages as they are transmitted across insecure networks such as the internet and also to authenticate each other.

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Common Problems 117498

Ubuntu 20.04 LTS – boot delayed by systemd-networkd-wait-online timeout

🟡 Medium   ⏱ 5–30 min  Last verified: 17 May 2020 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 — imlib2 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — imlib2 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 17 May 2020 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5099-1 Related CVEs: CVE-2020-12761 Upstream summary: It was discovered that Imlib2 incorrectly handled certain ICO images. An attacker could use this issue to cause a denial of service and possibly […]

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