Notes

Free Linux Server Monitoring and APM Solutions for SysAdmins

Today's software applications require that testers, developers, SysAdmins and SysAdmins work together (DevSecOps) more seamlessly than ever before. A single line of code or poorly configured service can negatively impact your application's performance, causing massive slowdowns for users. This is where infrastructure and application monitoring comes in.
FREE 51


Monitoring critical performance metrics on Linux operating systems is a great way for SysAdmins to keep the track of their mail servers, web/application servers and databases servers. This includes health of the server OS analysis and resource usage (disk memory, swap, memory and CPU) as well as network checks. security and firewalls. MySQL performance, HTTP servers (Apache and Nginx). ), PHP (PHP-FPM, OpCache).



A list of the top 100 Server Monitoring & Application Monitoring (APM), solutions was started around two years ago. The list includes BOTH free and paid Linux Server Monitoring and APM solutions. However, a growing selection of solutions provide free accounts or are entirely open-source and free. Also, read previous articles on observational capabilities.



Datadog Modern monitoring, analytics, and data collection



Datadog is an infrastructure management tool that is perfect for IT shops who can fully leverage its automation applications programming interface (API), and data analysis capabilities. Datadog also offers many integrations (350+), dashboards, and alerts that smaller companies will appreciate. Core data collection and visualization as well as support for discussion groups and one-day retention of metrics data are all included in free accounts.



Nginx Amplify Linux Server Monitoring + PHP FPM and MySQL Free



Nginx Amplify currently is free However, they plan to introduce pricing. Nginx Amplify is an SaaS-based monitoring tool that is used to monitor the Nginx HTTP server. NGINX Amplify allows you to monitor performance, track infrastructure assets and optimize server configuration through analysis. Nginx Amplify also monitors the operating system, application servers (like PHP-FPM) and databases (MySQL), and other components. The control panel provides information about security and performance issues. It has been my primary tool for keeping tabs on Nginx, full-page caching via fastcgi_cache for nearly two years. Enjoy it while it's free!



Netdata Control your servers. Simple. Effective. Free.



See what's happening on your system and applications with interactive dashboards on the web and health and performance alarms. Netdata is supported by MySQL, Memcached and Redis support. There is also a wide array of integrations (modules and plugins) that are free and Open Source.



Munin: Free and open-source Linux software for monitoring servers



Munin is a system monitoring software that allows you to monitor the performance of networks and infrastructure. This is a self-hosted solution for monitoring your Linux server, network and many other applications/services. Open-source and free.



Additional free options for Linux server monitoring and APM



Last update: April 3, 2022



AppDynamics is now an unpaid plan after a 15-day trial. Cacti - free Open Source.


Collectd - free, Open Source project.


Goaccess.io is an open source HTTP monitoring service. (Nginx, Apache, etc.)


Grafana - Scale observation any or all of the stack pieces


Icinga - Open Source Monitoring.


Influxdb lets you build time-series-based software quickly and easily.


Monit - free, Open Source software.


Monitorix - Free, Open Source, Very Lightweight


Nagios - You can download + install Nagios core for free.


New Relic - goes to a free plan after the 14-day trial.


Prometheus - Free Open Source. Self-hosted.


Telegraf is an open-source project that collects metrics from sensors, stacks and systems.


Zabbix - Free Open Source Software There are no hidden costs or limitations.


More... (Leave your suggestions in the comments section below).





You can only go so far with the free monitoring solutions



APM and server monitoring are crucial for maintaining a reliable and functional infrastructure. You'll have to upgrade to paid solutions to monitor your applications at the code level with minimal overhead within minutes. (100+ top Server Monitoring and Application Monitoring Tools).



It's ok to start free however, it might be best to select and mix solutions that provide premium options that fit within your budget as infrastructure, traffic and monitoring requirements grow. For instance, AppDynamics, Datadog, New Relic, etc. will allow you to upgrade your account or buy premium add-on services eventually.


Here's my website: https://free51.net/