Introduction This guide explains how to Use Capsicum Sandboxing on FreeBSD 13 on FreeBSD 13. 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 […]
Introduction CentOS Stream 9 ships with a stable, security-hardened base that makes deploying use amanda for enterprise backup on centos stream 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Use Amanda for Enterprise Backup on CentOS Stream 9, including dnf module streams where applicable, systemd unit management, and the […]
Introduction How to Install Go on FreeBSD 13 is a core administration task for any FreeBSD 13 server operator. FreeBSD 13 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 […]
Introduction CentOS Stream 9 ships with a stable, security-hardened base that makes deploying set up openvpn on centos stream 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Set Up OpenVPN on CentOS Stream 9, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for […]
Introduction How to Set Up Fail2ban on FreeBSD 13 is a core administration task for any FreeBSD 13 server operator. FreeBSD 13 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, […]
Introduction CentOS Stream 9 ships with a stable, security-hardened base that makes deploying set up mysql with ssl on centos stream 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Set Up MySQL with SSL on CentOS Stream 9, including dnf module streams where applicable, systemd unit management, and the […]
Introduction This guide explains how to Configure Nginx Virtual Hosts on FreeBSD 13 on FreeBSD 13. 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 […]
🟠 High ⏱ 5–30 min Last verified: 17 January 2022 Affected versions: Ubuntu 20.04 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 This tutorial demonstrates how to Migrate from CentOS Linux 8 to CentOS Stream 9 on CentOS Stream 9. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered CentOS Stream 9 system with […]
🟠 High ⏱ 5–30 min Last verified: 16 January 2022 Affected versions: Ubuntu 20.04 LTS Ubuntu 20.04 Ubuntu 20.04.6 📖 ~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 […]
