February 2021 - Page 29 of 62

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

Ubuntu 16.04 — oddjob — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5169-1 Related CVEs: CVE-2020-10737 Upstream summary: Matthias Gerstner discovered that there was a race condition in the mkhomedir tool shipped with the oddjob package. An authenticated attacker could use this […]

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How To Install and Configure GitLab on Debian 9 — step-by-step Linux tutorial on Progressive Robot

How To Install and Configure GitLab on Debian 9

GitLab CE, or Community Edition, is an open-source application primarily used to host Git repositories, with additional development-related features like issue tracking. It is designed to be hosted using your own infrastructure, and…

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Oracle Linux 8 — curl — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — curl — vulnerability — patch and remediation guide (ELSA-2021-3582)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-3582 Related CVEs: CVE-2021-22923 CVE-2021-22922 CVE-2021-22924 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]

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How To Use Logging in Python 3 — step-by-step Python tutorial on Progressive Robot

How To Use Logging in Python 3

The logging module is part of the standard Python library and provides tracking for events that occur while software runs. You can add logging calls to your code to indicate what events have happened. In this tutorial, we will go over how to work with logging calls to understand the various events that occur from running your program over time.

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openSUSE Tumbleweed — pngcheck — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — pngcheck — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2020:2177-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-27818 Upstream summary: A flaw was found in the check_chunk_name() function of pngcheck-2.4.0. An attacker able to pass a malicious file to be processed by […]

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Oracle Linux 8 — java-11-openjdk security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — java-11-openjdk security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2022-5683)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-5683 Related CVEs: CVE-2022-21541 CVE-2022-21540 CVE-2022-34169 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]

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Common Problems 118959

Ubuntu 14.04 LTS – root filesystem full causes service outages

🔴 Critical   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Ubuntu 14.04 LTS Ubuntu 14.04 Ubuntu 14.04.6 📖 ~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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Common Problems 118474

Ubuntu 16.04 LTS NTP drift causes TLS and token validation failures

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: 16.04 📖 ~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 […]

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