Nginx access logs contain a wealth of information about who is visiting your site, which URLs are being requested, what errors users encounter, and where your traffic originates. Raw log files are difficult to interpret at a glance, but GoAccess transforms them into actionable, visually rich reports in seconds — either in the terminal for […]
Introduction How to Install Kibana 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 […]
The Linux Audit Framework, managed by the auditd daemon, provides a comprehensive kernel-level mechanism for tracking security-relevant events on RHEL 7. Unlike application-level logging, the audit subsystem operates below the application layer, meaning that even a compromised process cannot suppress its own audit trail without also compromising the kernel. Properly configured, auditd records file access, […]
Introduction Deploying configure logstash 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 so […]
Introduction How to Install Munin Monitoring 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, […]
Prometheus has become the de-facto standard for metrics collection in Linux environments, but it is not the only option. VictoriaMetrics is a high-performance, cost-efficient time-series database that is fully compatible with PromQL, accepts Prometheus remote_write, and offers significant advantages in storage compression, ingestion throughput, and memory usage. A single-node VictoriaMetrics binary can replace or complement […]
Introduction FreeBSD 15 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up configure collectd 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 distribution. This guide walks through […]
Prometheus generates alerts, but it is Alertmanager that handles routing, deduplication, grouping, and delivery to your notification channels. Without a properly configured Alertmanager, even the most thorough alerting rules in Prometheus are useless — they fire into the void. Integrating Alertmanager with both PagerDuty and Slack gives you a two-tier notification strategy: high-severity incidents page […]
Introduction How to Set Up Alertmanager Email Notifications 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 […]
How to Install and Configure cAdvisor for Container Monitoring on RHEL 7 cAdvisor (Container Advisor) is an open-source agent developed by Google that collects, aggregates, processes, and exports resource usage and performance metrics for running containers. It provides a real-time web UI and a Prometheus-compatible metrics endpoint, making it the standard solution for container observability […]
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