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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: 16 February 2021 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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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: 15 February 2021 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: 15 February 2021 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: 15 February 2021 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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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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Common Problems 115495

RHEL 7 MariaDB service Fails After Unclean Shutdown

🟠 High   ⏱ 5–30 min  Last verified: 15 February 2021 Affected versions: RHEL 7 📖 ~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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How to Manage Users and Groups on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Manage Users and Groups on Oracle Linux 8

Introduction Oracle Linux 8 ships with a stable, security-hardened base that makes deploying manage users and groups on oracle linux 8 both straightforward and auditable. This tutorial covers the complete procedure for how to Manage Users and Groups on Oracle Linux 8, including dnf module streams where applicable, systemd unit management, and the firewalld rules […]

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FreeBSD 12 — py34-salt — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py34-salt — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 15 February 2021 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: salt — multiple vulnerabilities in salt-master process Related CVEs: CVE-2016-1866 CVE-2016-3176 CVE-2017-12791 CVE-2017-14695 CVE-2017-14696 CVE-2018-15750 CVE-2018-15751 CVE-2019-17361  +2 more Upstream summary: F-Secure reports: CVE-2020-11651 – Authentication bypass vulnerabilities The ClearFuncs […]

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