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Common Problems 116559

Ubuntu 24.04 LTS Nginx Fails to Start Because Port 80 Is in Use

🟡 Medium   ⏱ 5–30 min  Last verified: 26 August 2024 📖 ~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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Common Problems 116469

Ubuntu 24.04 LTS GNOME Login Loop After NVIDIA Driver Update

🟡 Medium   ⏱ 5–30 min  Last verified: 26 August 2024 📖 ~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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How to Install FreeBSD 14 on a Server — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Install FreeBSD 14 on a Server

Introduction FreeBSD 14 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up install freebsd 14 on a server on FreeBSD 14 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux distribution. […]

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How to Set Up GitLab Runner on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Set Up GitLab Runner on FreeBSD 14

Introduction Deploying set up gitlab runner on freebsd 14 on a FreeBSD 14 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely within the standard […]

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Common Problems 116453

Ubuntu 24.04 LTS – netplan apply causes immediate network connectivity loss

🟠 High   ⏱ 5–30 min  Last verified: 21 August 2024 Affected versions: Ubuntu 24.04 LTS Ubuntu 24.04 Ubuntu 24.04.1 📖 ~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 […]

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How to Install Nomad on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Install Nomad on FreeBSD 14

Introduction This guide explains how to Install Nomad on FreeBSD 14 on FreeBSD 14. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for fine-grained privilege separation. […]

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How to Install SonarQube on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Install SonarQube on FreeBSD 14

Introduction FreeBSD 14 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up install sonarqube on freebsd 14 on FreeBSD 14 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux distribution. This […]

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How to Install Helm on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Install Helm on FreeBSD 14

Introduction How to Install Helm on FreeBSD 14 is a core administration task for any FreeBSD 14 server operator. FreeBSD 14 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for packet filtering, and […]

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Debian 12 — krb5 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — krb5 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 16 August 2024 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2002-0391 CVE-2002-1235 CVE-2002-2443 CVE-2003-0028 CVE-2003-0058 CVE-2003-0059 CVE-2003-0060 CVE-2003-0072  +12 more Upstream summary: Integer overflow in xdr_array function in RPC servers for operating systems that use libc, glibc, or […]

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Alpine Linux 3.18 — spamassassin — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — spamassassin — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 3.4.5-r0 📖 ~4 min read  •  Source: Alpine secdb entry — spamassassin 3.4.5-r0 Related CVEs: CVE-2020-1946 CVE-2020-1930 CVE-2020-1931 CVE-2018-11805 CVE-2019-12420 CVE-2016-1238 CVE-2017-15705 CVE-2018-11780  +1 more Upstream summary: Alpine main repository for vv3.18 ships spamassassin 3.4.5-r0 which […]

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