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November 3, 2025

Linux security monitoring: Collecting and visualizing events in Elasticsearch and Kibana

Timely visibility into system activity is what separates effective defense from reactive analysis. Every operating system, application, and device logs a trail of evidence. However, transforming that trail into actionable intelligence requires the right tools. In our previous posts, we’ve walked you through: Visualizing VPN connection logs, Monitoring Windows security events, and Analyzing web server activity logs. In this final installment in our series on log visualization, we’re turning our attention to Linux security monitoring.

October 30, 2025

The shadow IT haunting your network: A Halloween horror story

It’s Halloween season, and while everyone else is worried about ghosts and goblins, you—the sysadmin holding the fort—know the real terror: that dusty print server in the corner that’s been running firmware from 2014. Or the Raspberry Pi someone set up to monitor the server room temperature "temporarily" three years ago. Or the CEO’s personal tablet that absolutely must connect to the internal network because "it’s just easier this way.

October 29, 2025

Watching the watchers: The need for telemetry system observability

Organizations invest heavily in sophisticated monitoring platforms, deploy countless agents across their infrastructure, and build elaborate dashboards to track every metric imaginable. Yet amid this pursuit of comprehensive visibility, a dangerous blind spot often emerges: the observability system itself becomes unobservable. This meta-problem represents one of the most insidious risks in modern infrastructure management. When telemetry collection fails silently—whether due to misconfiguration, infrastructure changes, or system failures—operations teams continue making critical decisions based on incomplete or stale data, unaware that their digital nervous system has developed gaps in coverage.

October 28, 2025

Beyond the silicon: Why AI infrastructure monitoring is critical to ROI

The AI gold rush has arrived, and organizations worldwide are making unprecedented investments in cutting-edge accelerator hardware. GPU clusters worth millions of dollars are being deployed at breakneck speed, with companies betting their competitive futures on these silicon powerhouses. Yet beneath the excitement of acquiring the latest H100s or MI300s lies a sobering reality: the most expensive part of your AI investment isn’t the initial purchase—it’s ensuring that hardware delivers value every single moment it’s operational.

October 22, 2025

Announcing NXLog Platform 1.9

We are happy to announce the latest release of NXLog Platform, version 1.9. This version transforms how you manage observability by combining metrics and logs in one platform, optimizing agent management workflows, and enabling enterprise-grade deployments for modern infrastructures. Want a quick overview? Watch a short demo showcasing the new features in this release: Read on for more details about these updates. Metrics made simple NXLog Platform provides built-in support for all types of telemetry data, including metrics.

October 20, 2025

From web server logs to metrics: Visualizing NGINX logs with Prometheus and Grafana

When users start reporting slow responses or intermittent errors from your web applications, your first go-to is your web server logs. But did you know those same logs can provide more than just troubleshooting clues? When analyzed with the right tools, they give system administrators and DevOps teams real-time visibility into your web environment, enabling them to monitor web servers proactively, rather than reactively. In this post, we’re going to show you how you can uncover web server performance issues and potential attacks early on by collecting NGINX access logs with NXLog Agent, transforming them into Prometheus metrics, and visualizing them with Grafana.

September 30, 2025

Gaining valuable host performance metrics with NXLog Platform

What are performance metrics and why are they important? IT and security systems don’t just generate logs; they also produce extremely valuable performance data that helps ensure the health and stability of your business infrastructure. Host-level performance metrics provide visibility into key resources, such as: CPU usage — Helps identify over-utilization, process bottlenecks, or underused resources. Memory usage — Indicates whether applications are consuming excessive RAM or leaking memory over time.

September 22, 2025

Windows security monitoring: Collecting and visualizing events in Elasticsearch and Kibana

In our previous blog post, From network logs to insights: Visualizing OpenVPN logs with Elasticsearch and Kibana, we explored how you can gain visibility into VPN activity by collecting and analyzing network logs. Windows security monitoring is another common use case we encounter at NXLog. Windows workstations and servers generate security event logs ranging from authentication attempts and privilege escalations to policy changes and process executions. Such events can reveal external intrusions and insider threats, and for security analysts, they are the first line of evidence in investigating suspicious activity.

September 18, 2025

From network event logs to insights: Visualizing OpenVPN logs with Elasticsearch and Kibana

At NXLog, we help customers solve real-world telemetry data challenges and bring value to the table with NXLog Platform. One of the recurring problems we see is that while network event logs contain a wealth of information, turning them into actionable insights isn’t straightforward. Security operations teams often struggle to make sense of these logs in a way that directly supports threat detection, response, and investigation. A perfect example of this challenge is VPN logs.

September 12, 2025

Announcing NXLog Platform 1.8

We are happy to announce the latest release of NXLog Platform, version 1.8. This release is packed with improvements to give you deeper insights into your telemetry pipeline and infrastructure, expand compatibility, and enhance the user experience. Want a quick overview? Watch a short demo showcasing the new features in this release: Read on for more details about these updates. Agent metrics for telemetry pipeline observability The new Internal Metrics module supports collecting agent metrics, simplifying data flow and agent health monitoring.

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