Package Management

How to Deploy a .NET Application on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Deploy a .NET Application on RHEL 7

How to Deploy a .NET Application on RHEL 7 Microsoft’s .NET (formerly .NET Core) is a cross-platform, open-source runtime that runs on Linux, including Red Hat Enterprise Linux 7. With Microsoft publishing an official yum repository for RHEL, installing .NET SDK and deploying web applications is straightforward and fully supported. In this tutorial, you will […]

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Common Problems 114390

DNF Metadata Lock Or Timeout During Updates

🟡 Medium   ⏱ 5–30 min  Last verified: 13 May 2023 📖 ~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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Oracle Linux 9 — podman — security and stability fixes — required update — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — podman — security and stability fixes — required update (ELSA-2024-3826)

🟡 Medium   ⏱ 10–30 min  Last verified: 13 May 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-3826 Related CVEs: CVE-2024-28176 CVE-2024-28180 CVE-2023-45290 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 Configure a Virtual Host in Apache on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Configure a Virtual Host in Apache on Oracle Linux 9

Introduction Oracle Linux 9 ships with a stable, security-hardened base that makes deploying configure a virtual host in apache on oracle linux 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Configure a Virtual Host in Apache on Oracle Linux 9, including dnf module streams where applicable, systemd unit management, […]

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AlmaLinux 9 — wavpack — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — wavpack — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2022:8139 Related CVEs: CVE-2021-44269 Upstream summary: WavPack is a completely open audio compression format providing lossless, high-quality lossy, and a unique hybrid compression mode. Security Fix(es): * wavpack: Heap out-of-bounds read in […]

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IBM AIX 7.1 — CVE-2022-43578 — xss — patch and remediation guide — diagnosis and fix on IBM AIX 7.1

IBM AIX 7.1 — CVE-2022-43578 — xss — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 13 May 2023 Affected versions: IBM AIX 7.1 📖 ~4 min read  •  Source: NVD CVE-2022-43578, IBM Support Bulletin CVE: CVE-2022-43578 NVD summary: IBM Sterling B2B Integrator Standard Edition 6.0.0.0 through 6.0.3.7 and 6.1.0.0 through 6.1.2.0 is vulnerable to cross-site scripting. This vulnerability allows users to embed […]

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FreeBSD 13 — py310-configobj — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py310-configobj — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 May 2023 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Configobj — Regular Expression Denial of Service attack Related CVEs: CVE-2023-26112 Upstream summary: [email protected] reports: All versions of the package configobj are vulnerable to Regular Expression Denial of Service (ReDoS) […]

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Ubuntu 16.04 — libcap2 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — libcap2 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 May 2023 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6166-2 Related CVEs: CVE-2023-2603 Upstream summary: USN-6166-1 fixed a vulnerability in libcap2. This update provides the corresponding update for Ubuntu 14.04 ESM, Ubuntu 16.04 ESM and Ubuntu 18.04 ESM. Original […]

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