Ubuntu 16.04

Common Problems 118539

Ubuntu 16.04 LTS SSSD Cache Causes Domain Login Failures

🟠 High   ⏱ 5–30 min  Last verified: 16 March 2020 Affected versions: 16.04 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 16.04 — libmodbus — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — libmodbus — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 March 2020 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5173-2 Related CVEs: CVE-2019-14462 CVE-2019-14463 Upstream summary: USN-5173-1 fixed vulnerabilities in libmodbus. This update provides the corresponding updates for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: It […]

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Ubuntu 16.04 — junit4 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — junit4 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 15 March 2020 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4731-1 Related CVEs: CVE-2020-15250 Upstream summary: It was discovered that JUnit 4 contains a local information disclosure vulnerability. An attacker could possibly use this issue to obtain sensitive information. Table […]

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Common Problems 118579

Ubuntu 16.04 LTS Kernel Panic After Virtual Hardware Change

🟠 High   ⏱ 5–30 min  Last verified: 14 March 2020 Affected versions: 16.04 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 118600

Ubuntu 16.04 external monitor not detected

🟡 Medium   ⏱ 5–30 min  Last verified: 11 March 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 Host a Website with Caddy on Ubuntu 16.04 — step-by-step Linux tutorial on Progressive Robot

How To Host a Website with Caddy on Ubuntu 16.04

[Caddy](https://caddyserver.com/) is a web server that was created with ease of use in mind. It’s become a common choice for developers who want to quickly run a website without working out difficult configuration files. In this tutorial, you will build and install Caddy from source, configure it using a `Caddyfile`, install Caddy plugins, and learn how to update your installation of Caddy when a new version is released.

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Ubuntu 16.04 — neutron — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — neutron — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 9 March 2020 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4036-1 Related CVEs: CVE-2019-9735 Upstream summary: Erik Olof Gunnar Andersson discovered that OpenStack Neutron incorrectly handled certain security group rules in the iptables firewall module. An authenticated attacker could possibly […]

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Ubuntu 16.04 — ark — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — ark — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 5 March 2020 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4482-1 Related CVEs: CVE-2020-24654 Upstream summary: Fabian Vogt discovered that Ark incorrectly handled symbolic links in tar archive files. An attacker could use this to construct a malicious tar archive […]

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