July 2022 - Page 12 of 72

How To Install Plausible Analytics on Ubuntu 22.04 — step-by-step Docker tutorial on Progressive Robot

How To Install Plausible Analytics on Ubuntu 22.04

Plausible Analytics is an open-source, self-hosted web analytics application written in Elixir. It focuses on being simple, and privacy-focused. In this tutorial you will install the Plausible app and a few helper services using Docker Compose, then install Nginx and Certbot to set up a secure HTTPS reverse proxy.

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How to Install Jenkins on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Install Jenkins on Debian 11

Introduction This guide explains how to Install Jenkins on Debian 11 on Debian 11 Bullseye. Debian Bullseye uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 11 install with the standard repositories […]

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An Introduction to Securing your Linux VPS — step-by-step Linux tutorial on Progressive Robot

An Introduction to Securing your Linux VPS

Linux security is a complex task with many different variables to consider. In this guide, we will attempt to give you a good introduction to how to secure your Linux server. We will discuss high-level concepts and areas to keep an eye on, with links to more specific advice.

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Oracle Linux 8 — exiv2 security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — exiv2 security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2021-1758)

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-1758 Related CVEs: CVE-2019-17402 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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AlmaLinux 8 — gfbgraph — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — gfbgraph — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2022:1801 Related CVEs: CVE-2021-39358 Upstream summary: GLib/GObject wrapper for the Facebook Graph API that integrates with GNOME Online Accounts. The following packages have been upgraded to a later upstream version: gfbgraph (0.2.4). […]

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Common Problems 120685

Debian 11 Firewall Rules Block Required Service Ports

🟠 High   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: Debian 11 📖 ~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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Gentoo Linux — dev-java/jackson-databind — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — dev-java/jackson-databind — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202210-21 Related CVEs: CVE-2022-42003 CVE-2022-42004 Upstream summary: Multiple vulnerabilities have been discovered in FasterXML jackson-databind. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment & […]

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Common Problems 118135

Ubuntu 18.04 Unattended-Upgrades Stuck and Never Completes

🟡 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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