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 […]
How to Configure syslog-ng for Centralised Syslog on RHEL 7 Every Linux system generates a continuous stream of log data from the kernel, system services, and applications. On a single host, rsyslog handles this adequately, but when you need to aggregate logs from dozens or hundreds of servers into a central repository, filter them intelligently, […]
How to Install Jaeger for Distributed Tracing on RHEL 7 As systems evolve from monoliths to microservices, understanding the path of a single request across dozens of services becomes increasingly difficult using traditional logs and metrics alone. Jaeger is an open-source distributed tracing platform originally developed by Uber Technologies and now hosted by the Cloud […]
How to Monitor MySQL with Percona Monitoring and Management on RHEL 7 Percona Monitoring and Management (PMM) is a free, open-source platform for monitoring MySQL, MariaDB, PostgreSQL, and MongoDB. It combines Grafana dashboards, Prometheus metrics collection, and Query Analytics (QAN) into a single integrated UI. Unlike generic monitoring tools, PMM understands database internals and surfaces […]
How to Install and Configure Nagios Core on RHEL 7 Nagios Core is one of the most widely deployed open-source infrastructure monitoring systems in the world. It provides comprehensive monitoring of hosts, services, and network devices, alerting administrators when things go wrong and when they recover. On RHEL 7, setting up Nagios Core from source […]
How to Install InfluxDB and Telegraf on RHEL 7 InfluxDB is a purpose-built time series database optimised for the high-write workloads that are typical in infrastructure monitoring, IoT data collection, and application performance tracking. Unlike general-purpose databases, InfluxDB stores measurements indexed by timestamp and tag values, enabling sub-millisecond queries across billions of data points. Telegraf […]
How to Install Graylog for Centralised Log Management on RHEL 7 Centralised log management is essential for any production environment. When servers, applications, and network devices each write logs independently, troubleshooting incidents becomes painfully slow. Graylog solves this by aggregating logs from every source into a single, searchable platform. Built on top of MongoDB and […]
How to Install Netdata on RHEL 7 Netdata is a real-time performance monitoring agent that delivers per-second metrics with zero configuration on most Linux systems. Unlike heavier monitoring solutions that scrape on 15-second or 1-minute intervals, Netdata collects and stores data every second, making it ideal for diagnosing transient performance problems that would be invisible […]
How to Install Zabbix on RHEL 7 Zabbix is a mature, enterprise-grade open-source monitoring platform that supports agent-based and agentless monitoring of servers, network devices, applications, and cloud resources. It combines metrics collection, event correlation, alerting, and visualisation in a single self-hosted solution — making it a compelling choice for organisations that need full control […]
How to Install Prometheus and Grafana on RHEL 7 Prometheus and Grafana form one of the most popular open-source monitoring stacks available today. Prometheus is a time-series database and scraping engine that collects metrics from instrumented targets, while Grafana provides a rich visualization layer on top of that data. Together they give you real-time dashboards, […]
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