Cpu Memory

How to Configure ZFS Pool Management on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Configure ZFS Pool Management on FreeBSD 15

Introduction This guide explains how to Configure ZFS Pool Management on FreeBSD 15 on FreeBSD 15. 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 […]

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How to Install Kibana on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Install Kibana on FreeBSD 15

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 […]

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How to Install Munin Monitoring on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Install Munin Monitoring on FreeBSD 15

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, […]

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How to Install VictoriaMetrics as a Prometheus Alternative on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install VictoriaMetrics as a Prometheus Alternative on RHEL 7

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 […]

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How to Install and Configure cAdvisor for Container Monitoring on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install and Configure cAdvisor for Container Monitoring on RHEL 7

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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How to Build Grafana Dashboards for Linux Server Metrics on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Build Grafana Dashboards for Linux Server Metrics on RHEL 7

How to Build Grafana Dashboards for Linux Server Metrics on RHEL 7 Grafana is the de facto standard for visualising time-series data collected by Prometheus, InfluxDB, Graphite, and dozens of other data sources. A well-constructed Grafana dashboard can surface CPU saturation, memory pressure, disk I/O bottlenecks, and network anomalies at a glance, dramatically reducing the […]

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How to Configure SNMP Monitoring on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Configure SNMP Monitoring on RHEL 7

How to Configure SNMP Monitoring on RHEL 7 Simple Network Management Protocol (SNMP) is one of the most widely supported protocols for monitoring network devices, servers, storage appliances, and virtually any managed infrastructure component. Configuring SNMP on Red Hat Enterprise Linux 7 allows your monitoring platform — whether Zabbix, LibreNMS, Nagios, or Prometheus with the […]

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How to Use Prometheus Blackbox Exporter for Endpoint Monitoring on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Use Prometheus Blackbox Exporter for Endpoint Monitoring on RHEL 7

How to Use Prometheus Blackbox Exporter for Endpoint Monitoring on RHEL 7 The Prometheus Blackbox Exporter probes external endpoints over HTTP, HTTPS, TCP, ICMP, and DNS from the perspective of an outside caller, making it an essential complement to node-level metrics collected by Node Exporter. While Node Exporter tells you about CPU load and memory […]

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How to Set Up Uptime Kuma for Service Monitoring on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Set Up Uptime Kuma for Service Monitoring on RHEL 7

How to Set Up Uptime Kuma for Service Monitoring on RHEL 7 Uptime Kuma is a self-hosted, open-source uptime monitoring tool that provides a clean web interface for tracking the availability of HTTP endpoints, TCP ports, DNS records, and more. It supports multiple notification channels including email, Slack, and Telegram, and includes a built-in public […]

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How to Set Up Nagios on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Set Up Nagios on FreeBSD 15

Introduction FreeBSD 15 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up set up nagios 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 […]

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