Free Linux Server Monitoring and APM Solutions for SysAdmins

Today’s software applications require developers, testers and SysAdmins to work together (DevSecOps) more seamlessly than ever before. A single line of code or a poorly configured service can negatively affect the performance of your application, leading to slowness for end users. where is it infrastructure and application monitoring Comes in.

With regards to Linux Server Monitoring, monitoring critical performance metrics of the Linux operating system helps SysAdmins to monitor their database servers, mail servers, caches, web/application servers, and more. Server OS health analysis, including resource usage (disk I/O, memory, swap, CPU), network checks, firewall/security, MySQL performance, HTTP server (Apache, Nginx, etc.), PHP (PHP-FPM, OpCache).

About two years ago, I began maintaining a list of the top 100 Server Monitoring and Application Monitoring (APM) solutions. The list includes both free and paid Linux server monitoring and APM solutions. However, a growing list of solutions offer free accounts or are completely free and open source. See more Previous Articles on Overview,

Datadog: Modern Monitoring and Analytics


datadog An infrastructure management service ideal for IT shops that can fully leverage its automation, application programming interface (API), and data analysis capabilities. Datadog also offers multiple integration (350+), dashboards and alerts that smaller companies will find helpful. Free accounts include core collections and visualizations, discussion group support, 1-day metric retention, up to 5 hosts,

Nginx Amplify: Linux Server Monitoring + PHP-FPM and MySQL Free

Nginx Amplify Dashboard

Nginx Amplify is currently free; However, I am told they will introduce pricing at some point. Nginx Amplify is a SaaS-based monitoring tool for Nginx HTTP servers. With NGINX Amplify, you can monitor performance, monitor infrastructure assets, and improve server configuration through analytics. Nginx Amplify also monitors the underlying OS, application server (such as PHP-FPM), database (MySQL), and other components. The control panel alerts you to both performance and security issues. For about two yearsI’ve used it to monitor Nginx and full-page caching fastcgi_cache, Enjoy it while it’s completely free!

Netdata: Get control of your server. Easy. effective. free


See what’s happening on your system and applications interactive web dashboard and display/health alarm. Different Thinking, Netdata supports MySQL, Memcached, Redis, Nginx and others. There is also a wide range of integrations (modules and plugins) – Free and open source.

Munin: Free and Open-Source Linux Server Monitoring


Munin is a system monitoring, network monitoring and infrastructure monitoring software application. this is a self hosted solution To monitor your Linux servers, network and many other applications/services. free and open source,

Additional free options for Linux Server Monitoring/APM

Last Updated: 3 April 2022

  • App Dynamics – Switches to a free plan after a 15-day trial.
  • cactus – Free open source.
  • collected – Free, open source project.
  • – Open source HTTP monitoring. (Nginx, Apache, etc.)
  • Grafana – Observability to scale with one or all pieces of the stack.
  • icing – Open source monitoring.
  • InfluxDB – Build time-series-based applications quickly and at scale.
  • monita – Free, open source software.
  • monitorix – Free, open source, very lightweight.
  • Nagios – You can download + install Nagios Core for free.
  • new relic – Moves to a free plan after 14 days trial.
  • prometheus – Free open source. Self Hosted.
  • wire – Open-source and aggregates metrics from stacks, sensors and systems.
  • zabbix – Free open source. no limits or hidden costs
  • More… (Post suggestions in the comments section below)

free Monitoring Solutions You’ll Only Get So Far

Server monitoring and APM are essential to setting up and maintaining the infrastructure that remains in performance and operation. To monitor applications in real time or at code-level depth with minimal overhead in minutes, you will need to upgrade to paid solutions. ,100+ Top Server Monitoring & Application Monitoring Tools,

It’s OK to start free; However, it may be best to select and combine solutions that offer premium options that fit your budget as traffic, infrastructure and monitoring needs increase. For example, AppDynamics, Datadog, New Relic, etc., allow you to upgrade your account or purchase premium add-on services.

published, June 25th 2018
Last edited: 9 March 2022

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