April 2021 - Page 47 of 66

How to Install and Configure AIDE on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Install and Configure AIDE on RHEL 9

AIDE (Advanced Intrusion Detection Environment) is an open-source file integrity monitoring tool that detects unauthorized changes to files on a Linux system. It creates a cryptographic baseline database of your file system and compares the current state against that baseline on every check, alerting you to any additions, deletions, or modifications. AIDE is recommended by […]

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Built-in Python 3 Functions for Working with Numbers — step-by-step Python tutorial on Progressive Robot

Built-in Python 3 Functions for Working with Numbers

This tutorial will go through a few of the built-in functions that can be used with numeric data types in Python 3. Becoming familiar with these methods can give you more flexibility when programming. We’ll go over the following functions: abs() for absolute value, divmod() to find a quotient and remainder simultaneously, pow() to raise a number to a certain power, round() to round a number to a certain decimal point, sum() to calculate the sum of the items in an iterable data type.

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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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Oracle Linux 8 — mariadb:10.3 — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — mariadb:10.3 — security and stability fixes — required update (ELSA-2019-3708)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-3708 Related CVEs: CVE-2019-2510 CVE-2019-2537 CVE-2019-2614 CVE-2019-2627 CVE-2019-2628 CVE-2019-2737 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Common Problems 115421

NetworkManager DNS Misconfiguration Breaking Yum Access

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 📖 ~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 — 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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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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Arch Linux — libjcat — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — libjcat — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202007-6 Related CVEs: CVE-2020-10759 Upstream summary: Type: insufficient validation. Status: Fixed. Affected: 0.1.2-1. Fixed in: 0.1.3-1. Group: AVG-1185. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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