Introduction Setting up perform a minimal installation of rhel 10 on a RHEL 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Perform a Minimal Installation of RHEL 10, with all the commands you need, the SELinux and firewalld considerations to keep in mind, […]
Knowing how your server uses CPU, memory, disk, and network resources is essential for capacity planning and troubleshooting. Ubuntu 26.04 LTS comes with several built-in tools and supports popular third-party monitors. This guide covers the most useful commands and tools for resource monitoring. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS server […]
MySQL’s built-in metrics are powerful but not easily scraped. Prometheus mysqld_exporter is the standard exporter that translates MySQL status variables, InnoDB engine metrics, and replication lag statistics into the Prometheus exposition format. Combined with Grafana, the mysqld_exporter provides real-time dashboards covering query throughput, connection pool usage, InnoDB buffer pool hit rates, disk I/O, and replication […]
Introduction RHEL 10 ships with a stable, security-hardened base that makes deploying install clamav antivirus both straightforward and auditable. This tutorial covers the complete procedure for how to Install ClamAV Antivirus on RHEL 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. Prerequisites Before you begin, […]
Introduction Deploying set up postgresql streaming replication 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 + […]
Introduction Setting up install valkey on a RHEL 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Install Valkey on RHEL 10, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and how to validate the result on […]
Introduction Deploying configure rkhunter rootkit scanner 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 […]
Introduction RHEL 10 ships with a stable, security-hardened base that makes deploying configure static file serving with nginx both straightforward and auditable. This tutorial covers the complete procedure for how to Configure Static File Serving with Nginx on RHEL 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for […]
🟡 Medium ⏱ 5–30 min Last verified: 25 May 2026 Affected versions: FreeBSD 15 📖 ~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 How to Install GraalVM 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 packet filtering, and […]
