Introduction RHEL 10 ships with a stable, security-hardened base that makes deploying use network-bound disk encryption (nbde) both straightforward and auditable. This tutorial covers the complete procedure for how to Use Network-Bound Disk Encryption (NBDE) on RHEL 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. […]
Introduction Setting up configure vlan interfaces on a RHEL 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Configure VLAN Interfaces on RHEL 10, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and how to validate the […]
🟡 Medium ⏱ 5–30 min Last verified: 8 June 2026 Affected versions: Ubuntu 26.04 LTS Ubuntu 26.04 Ubuntu 26.04.1 📖 ~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 ELK Stack (Elasticsearch, Logstash, Kibana) is a powerful log management and analytics platform. Elasticsearch stores and indexes logs, Logstash collects and transforms them, and Kibana provides visualisation dashboards. This guide installs the ELK stack on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS with at least 4 GB […]
Introduction Setting up configure postgresql connection pooling with pgbouncer on a RHEL 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Configure PostgreSQL Connection Pooling with PgBouncer on RHEL 10, with all the commands you need, the SELinux and firewalld considerations to keep in […]
Introduction FreeBSD 15 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up apply cis benchmark hardening to freebsd 15 on FreeBSD 15 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 […]
Deno 2 is a secure runtime for JavaScript and TypeScript built on V8 and Rust. Unlike Node.js, Deno has built-in TypeScript support, a permission-based security model, and a standard library without npm being required. Deno 2 introduces npm compatibility and improved backwards compatibility. This guide installs Deno 2 on Ubuntu 26.04 LTS. Tested and valid […]
Introduction How to Configure Gitea Self-Hosted Git Service on FreeBSD 15 is a core administration task for any FreeBSD 15 server operator. FreeBSD 15 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 […]
Introduction Deploying set up borgbackup on a FreeBSD 15 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 base + ports approach […]
🟠 High ⏱ 5–30 min Last verified: 6 June 2026 Affected versions: RHEL 10 📖 ~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 & […]
