🟡 Medium ⏱ 5–30 min Last verified: 15 October 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 […]
🟠 High ⏱ 5–30 min Last verified: 13 October 2024 Affected versions: Ubuntu 24.04 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 […]
Introduction FreeBSD 14 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up install rust 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 […]
Let’s Encrypt provides free, automated SSL/TLS certificates via the ACME protocol. Certbot is the official Let’s Encrypt client. This guide installs Certbot and manages certificates for Nginx on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server Nginx installed A domain name pointed to your server Port 80 and […]
🟡 Medium ⏱ 10–30 min Last verified: 13 October 2024 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-6588-1 Related CVEs: CVE-2024-22365 CVE-2022-28321 https://launchpad.net/bugs/2006073 Upstream summary: Matthias Gerstner discovered that the PAM pam_namespace module incorrectly handled special files when performing directory checks. A local attacker could possibly use […]
Vagrant provides a consistent, portable development environment by automating the creation and provisioning of virtual machines. This guide installs Vagrant and VirtualBox on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS desktop or server CPU with hardware virtualisation enabled (VT-x/AMD-V) A user with sudo privileges Step 1 – Add […]
Introduction FreeBSD 14 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up harden nginx with security headers 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 […]
🔴 Critical ⏱ 5–30 min Last verified: 8 October 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 […]
The sudo (superuser do) tool allows designated users to run commands with elevated privileges without sharing the root password. This is fundamental to the principle of least privilege: each administrator gets exactly the access they need for their role, no more. When access is misconfigured — for example with blanket ALL=(ALL) ALL entries or unsafe […]
Introduction Deploying set up nfs server 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 […]
