What is server monitoring?
Server monitoring checks availability, performance, and resource use continuously. What it covers, agent-based vs agentless, and what to alert on.
Guides & Comparisons
Practical tutorials and technical comparisons to help you build more reliable infrastructure
GUIDES
Best website monitoring solutions for uptime and performance in 2026
A comparison of the leading website monitoring solutions, ranked by check frequency, alerting, multi-region coverage, and pricing. Find the right uptime tool for your site.
What is Prometheus monitoring? Architecture, metrics, and limitations
A practical guide to Prometheus monitoring: how the pull-based architecture works, the four metric types, common use cases, and where Prometheus hits limits at scale.
Best Ubuntu monitoring tools in 2026
A comparison of the best Ubuntu monitoring tools, from managed SaaS platforms with alerting to free command-line utilities you can install in seconds.
Apache monitoring: a guide to metrics, logs, and mod_status
Learn how to monitor Apache HTTP Server. Enable mod_status for real-time worker metrics, interpret busy/idle workers, and use access logs to track latency and error rates.
Web server monitoring: key metrics and top tools
Learn how to monitor web server performance, which metrics matter most, and the best tools to ensure your website stays fast and available.
What is server infrastructure? Components, types, and management
A clear guide to server infrastructure. Learn about the hardware, software, and networking layers that power modern applications, and how to choose the right model.
Linux log monitoring: the complete guide to files, tools, and severity
A technical reference for Linux log monitoring. Learn where critical logs live across distributions, how to master journalctl, and how to manage log rotation.
Beszel Alternative: What to Choose When You Outgrow It
If Beszel feels too limited for your self-hosted setup, here is what you actually need next. A guide to the best alternatives based on your specific bottlenecks.
Cron Monitoring: How to Stop Silent Failures
Cron jobs don't fail loudly—they fail silently. Learn how to detect missed runs and get the visibility you need to debug failures before they cause damage.
Linux server monitoring: what to track and 3 practical ways to set it up
A hands-on guide to Linux server monitoring. Learn which metrics actually matter, what failure looks like, and three concrete approaches to get visibility without overengineering.
Windows Monitoring Guide (2026)
Learn how to monitor Windows servers effectively in 2026. This guide covers essential performance counters, event logs, and the best tools for modern infrastructure monitoring.
VPS monitoring: the complete guide to keeping your servers healthy in 2026
Everything you need to know about VPS monitoring. Learn what metrics to track, how to set up alerts, and which tools are best for small teams and indie hackers.
NGINX monitoring with native metrics and logs: a practical guide
Learn how to monitor NGINX. Enable stub_status for real-time metrics, configure access logs for latency tracking, and understand what each signal tells you about your server's health.
ALTERNATIVES
Top 8 Best 360monitoring Alternatives in 2026: Pricing & Reviews
Looking for a 360monitoring alternative? We compare the top 8 monitoring tools for 2026, including Simple Observability, Datadog, and Zabbix, to help you find a complete, actively developed stack.
Top 8 Best Better Stack Alternatives in 2026: Pricing & Reviews
Looking for a Better Stack alternative? We compare the top 8 monitoring and observability platforms for 2026, including Simple Observability, Datadog, and New Relic, to help you find a better fit for uptime, logs, and infrastructure monitoring.
Top 8 Best Healthchecks.io Alternatives in 2026: Pricing & Reviews
Looking for a Healthchecks.io alternative? We compare the top 8 cron and uptime monitoring tools for 2026, including Simple Observability, Cronitor, and Dead Man's Snitch, to help you move beyond cron-only monitoring.
Top 8 Best HetrixTools Alternatives in 2026: Pricing & Reviews
Looking for a HetrixTools alternative? We compare the top 8 uptime and monitoring tools for 2026, including Simple Observability, UptimeRobot, and Pingdom, to help you move beyond disconnected monitors.
Top 8 Best Datadog Alternatives in 2026: Pricing & Reviews
Looking for a Datadog alternative? We compare the top 8 observability and infrastructure monitoring tools for 2026, including Simple Observability, New Relic, and Prometheus, to help you find a better fit for your budget.
Top 8 Best Icinga Alternatives in 2026: Pricing & Reviews
Looking for an Icinga alternative? We compare the top 8 monitoring tools for 2026, including Simple Observability, Zabbix, and Prometheus, to help you move beyond the config DSL and self-hosted infrastructure.
Top 8 Best New Relic Alternatives in 2026: Pricing & Reviews
Looking for a New Relic alternative? We compare the top 8 observability tools for 2026, including Simple Observability, Datadog, and Prometheus, to help you find a better fit for your stack and budget.
Top 8 Best PRTG Alternatives in 2026: Pricing & Reviews
Looking for a PRTG alternative? We compare the top 8 monitoring tools for 2026, including Simple Observability, Zabbix, and Checkmk, to help you move beyond the Windows server and sensor limits.
Top 8 Best Site24x7 Alternatives in 2026: Pricing & Reviews
Looking for a Site24x7 alternative? We compare the top 8 monitoring tools for 2026, including Simple Observability, Datadog, and Better Stack, to help you move past legacy bloat and add-on pricing.
Top 8 Best Uptime Kuma Alternatives in 2026: Pricing & Reviews
Looking for an Uptime Kuma alternative? We compare the top 8 uptime and monitoring tools for 2026, including Simple Observability, UptimeRobot, and Pingdom, to help you find a better fit for uptime monitoring and beyond.
Top 8 Best SigNoz Alternatives in 2026: Pricing & Reviews
Looking for a SigNoz alternative? We compare the top 8 observability tools for 2026, including Simple Observability, Datadog, and Prometheus, to help you find a better fit for unified metrics, logs, and traces.
Top 8 Best UptimeRobot Alternatives in 2026: Pricing & Reviews
Looking for an UptimeRobot alternative? We compare the top 8 uptime and monitoring tools for 2026, including Simple Observability, Uptime Kuma, and Pingdom, to help you find a better fit for uptime monitoring and beyond.
Best Checkmk alternative in 2026
Looking for a Checkmk alternative? We compare 7 monitoring tools that reduce operational complexity, from Zabbix and Prometheus to lighter SaaS options.
Best Prometheus alternatives in 2026
Looking for a Prometheus alternative? Compare the top options: Mimir, VictoriaMetrics, SigNoz, and Simple Observability.
Nagios alternative: choosing the right replacement for your pain point
Not all Nagios alternatives solve the same problem. We break down the best replacements based on why you're actually leaving Nagios, not just feature lists.
Top 8 Best Zabbix Alternatives in 2026 (Self-Hosted & SaaS)
Zabbix is powerful but complex to maintain. We compare the best alternatives for 2026, including Simple Observability, Prometheus, and Checkmk, to help you reduce operational overhead.
Top 8 Best Netdata Alternatives in 2026: Pricing & Reviews
Looking for a Netdata alternative? We compare the top 8 server monitoring tools for 2026, including Simple Observability, Prometheus, and New Relic to help you find the perfect fit.
COMPARISONS
Netdata vs Nagios: which monitoring tool is better?
A practitioner's look at the operational reality of Netdata and Nagios. Real-time per-second metrics versus check-based legacy alerting, and which one you'll regret less.
Netdata vs Checkmk: which monitoring tool is better?
A practitioner's look at the operational reality of Netdata and Checkmk. Real-time per-second visibility versus a centralized rule engine, and which one you'll regret less.
Netdata vs Prometheus: which monitoring tool is better?
A practitioner's look at the operational reality of Netdata and Prometheus. Real-time per-second visibility versus a centralized time-series database, and which one you'll regret less.
Zabbix vs Checkmk: which monitoring tool is better?
A practitioner's look at the operational reality of Zabbix and Checkmk. We skip the feature lists to focus on what breaks, what costs too much time, and which one you'll regret less.
Zabbix vs Prometheus: which monitoring tool is better?
A practitioner's look at the operational reality of Zabbix and Prometheus. A centralized database platform versus a modular time-series toolkit, and which one you'll regret less.
Netdata vs Zabbix: which monitoring tool fits your infrastructure?
A practitioner's look at the operational reality of Netdata and Zabbix. Real-time per-second visibility versus a centralized database platform, and which one you'll regret less.
OTHER
What is managed monitoring and why do you need it
Managed monitoring outsources the complexity of running your own monitoring stack. Learn what it is, the main types of services, and how to decide if it fits your team.
OS monitoring: what to track and the best tools to use
OS monitoring tracks CPU, memory, disk, processes, and services across Windows, Linux, and Unix. Here's what to monitor and the tools that do it well.
Top 11 devops monitoring tools in 2026
A comparison of the best DevOps monitoring and observability tools to help you gain visibility across your entire development lifecycle.
Infrastructure monitoring dashboard: Best practices and top tools for 2026
A comprehensive guide on building an effective infrastructure monitoring dashboard and the best tools to use in 2026.
7 best cloud based monitoring tools for multi-cloud teams (2026)
A comparison of the top cloud-based monitoring solutions to help you gain visibility across AWS, Azure, and GCP without the maintenance tax.
10 best IT infrastructure monitoring solutions for 2026
A comparison of the top infrastructure monitoring tools to help you find the right balance between power and maintenance overhead.
5 Best Server Monitoring Tools for 2026
The 5 best server monitoring tools for 2026, compared on pricing, setup, and features. Free and open-source picks for homelabs, small teams, and enterprises.