January 2021 - Page 45 of 69

Oracle Linux 8 — virt:ol and virt-devel:ol security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2022-1759)

• January 11, 2021
• Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-1759 Related CVEs: CVE-2021-20196 CVE-2021-33285 CVE-2021-33286 CVE-2021-33287 CVE-2021-33289 CVE-2021-35266 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Ubuntu 18.04 LTS – LVM volume reaches 100 percent causing service failures – Fix & Prevention

• January 11, 2021
• Linux
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🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Ubuntu 18.04 LTS 📖 ~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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rc.local Script Not Executing at Boot

• January 11, 2021
• Tutorials
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🟡 Medium   ⏱ 5–30 min  Last verified: 20 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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SELinux Denies Apache Access To Web Content

• January 11, 2021
• Tutorials
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🟡 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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Arch Linux — wavpack — multiple vulnerabilities (4 CVEs) — patch and remediation guide

• January 11, 2021
• Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-201802-12 Related CVEs: CVE-2018-7254 CVE-2018-7253 CVE-2018-6767 CVE-2020-35738 Upstream summary: Type: arbitrary code execution. Status: Fixed. Affected: 4.80.0-1. Fixed in: 5.1.0-2. Group: AVG-631. Table of contents Symptom & Impact Environment & […]

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How to Configure RRAS on Windows Server 2012 R2

• January 11, 2021
• Tutorials
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How to Configure RRAS on Windows Server 2012 R2 Routing and Remote Access Service (RRAS) on Windows Server 2012 R2 is a multi-purpose networking role that provides routing, VPN connectivity, and dial-up access services. RRAS can function as a software router supporting static and dynamic routing protocols (RIP v2 and OSPF via add-ons), as a […]

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How to Install MariaDB on Oracle Linux 8

• January 11, 2021
• Oracle Linux
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Introduction How to Install MariaDB on Oracle Linux 8 on Oracle Linux 8 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration is reproducible […]

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How to Install Rust on Ubuntu 26.04

• January 11, 2021
• Linux
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Rust is a systems programming language that guarantees memory safety without a garbage collector through its borrow checker. It is used for WebAssembly, operating systems, game engines, and high-performance network services. This guide installs Rust via rustup on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS A user account […]

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How to Automate Backups with rsync and cron on Ubuntu 26.04

• January 11, 2021
• Linux
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rsync is an efficient file synchronisation tool that only transfers changed portions of files, making it ideal for incremental backups. Combined with cron for scheduling and SSH for remote transfers, rsync provides a robust, scriptable backup solution. This guide automates backups on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 […]

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How to Set Up a Git Server with Gitea on Ubuntu 26.04

• January 11, 2021
• Linux
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Gitea is a lightweight, self-hosted Git service written in Go. It provides a GitHub-like interface with repositories, issues, pull requests, and actions CI/CD, but runs on minimal hardware. This guide installs Gitea on Ubuntu 26.04 LTS with Nginx and a PostgreSQL database. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS with Nginx […]

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