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Common Problems 115421

NetworkManager DNS Misconfiguration Breaking Yum Access

🟡 Medium   ⏱ 5–30 min  Last verified: 9 April 2021 📖 ~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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AlmaLinux 8 — felix-scr — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — felix-scr — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2020:5097 Upstream summary: Eclipse is an integrated development environment (IDE). The metadata for the eclipse:rhel8 module has been updated to remove the following unused profiles: c everything To check whether you have […]

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How to Set Up Splunk Universal Forwarder on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Set Up Splunk Universal Forwarder on Oracle Linux 8

Introduction Oracle Linux 8 ships with a stable, security-hardened base that makes deploying set up splunk universal forwarder on oracle linux 8 both straightforward and auditable. This tutorial covers the complete procedure for how to Set Up Splunk Universal Forwarder on Oracle Linux 8, including dnf module streams where applicable, systemd unit management, and the […]

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SLES 15 — libZXing1 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libZXing1 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 9 April 2021 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2022:0157-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-28021 CVE-2021-42716 CVE-2021-42715 Upstream summary: Buffer overflow vulnerability in function stbi__extend_receive in stb_image.h in stb 2.26 via a crafted JPEG file. Table of contents Symptom […]

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How To Test a Node.js Module with Mocha and Assert — step-by-step Javascript tutorial on Progressive Robot

How To Test a Node.js Module with Mocha and Assert

Testing is an integral part of software development. With the right test setup, this process can be automated, saving a lot of time. In this article, you’ll write tests for a Node.js TODO list module. You will set up and use the Mocha test framework to structure a series of integration tests. Then you’ll use the Node.js assert module to create the tests themselves. Finally, you will try out testing with asynchronous code, and use hooks to prepare your test fixtures and environments.

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AlmaLinux 8 — rpm-ostree — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — rpm-ostree — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2022:1883 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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