Your Server Hit 98% CPU at 2 AM. Nobody Noticed Until Morning.
Visual Sentinel monitors server health alongside your websites. One dashboard for infrastructure and application monitoring.
Set up in 60 seconds. 14-day free trial.
“We caught 3 outages in the first week that our old monitor missed.” — Eric D., Powered Storage
What Is Server Monitoring?
Server monitoring is the practice of continuously tracking the health, performance, and availability of your servers in real time. A server monitoring tool collects metrics like CPU usage, memory consumption, disk space, network throughput, and running processes — then alerts you the moment something crosses a threshold you define. Without server monitoring, problems like memory leaks, disk filling up, or runaway processes go unnoticed until they cause downtime. By the time a user reports a slow page or a checkout failure, the root cause is often a server that has been struggling for hours. Server health monitoring closes that gap by giving you visibility into what is happening inside your infrastructure, not just whether a URL responds. Visual Sentinel takes this further by combining server monitoring tools with website monitoring in a single platform. Instead of running one tool for infrastructure metrics and another for uptime, SSL, performance, DNS, and visual regression, you get a unified dashboard where server fleet health and website status live side by side. Our lightweight agent installs in one command, reports metrics every 60 seconds via HTTPS, and tracks CPU (user, system, idle breakdowns), memory (including cache and swap), disk (usage and I/O throughput), network (bytes and packets in both directions), load averages, uptime, and the top processes consuming resources. You set custom thresholds for CPU, memory, and disk — and when any metric breaches your limit, alerts fire instantly through email, Slack, Discord, Telegram, WhatsApp, or custom webhooks. Historical data is retained for 7 days with interactive charts so you can spot trends, correlate server spikes with application issues, and plan capacity before you run out of headroom.
CPU, Memory, Disk & Network
Track all four pillars of server health in real time. CPU breakdowns (user/system/idle), memory with swap, disk I/O, and network throughput — updated every 60 seconds.
Threshold-Based Alerts
Set custom thresholds for CPU, memory, and disk usage. When any metric breaches your limit, get alerted via email, Slack, Discord, Telegram, WhatsApp, or webhooks.
One-Command Agent Install
Install the monitoring agent with a single curl command. No package managers, no dependencies beyond curl and jq. Works on Linux, macOS, Windows, and FreeBSD.
Process Monitoring
See the top 10 processes by CPU usage on each server. Identify runaway processes, memory hogs, and zombie tasks before they take your server down.
Server + Website in One Dashboard
No need for separate infrastructure and application monitoring tools. Server metrics, uptime, SSL, DNS, performance, and visual checks — all in one place.
7-Day Historical Charts
Interactive charts for every metric over the past 7 days. Spot trends, correlate spikes with deployments, and plan capacity before you run out of headroom.
How It Works
Add Your Server
Enter your server name, hostname, and operating system. Visual Sentinel generates a unique agent token for secure communication.
Run the Install Script
Copy the one-line curl command and run it on your server with sudo. The agent installs in seconds and begins reporting metrics every minute via cron.
Set Thresholds & Get Alerts
Configure CPU, memory, and disk alert thresholds. Choose your notification channels. Visual Sentinel alerts you the moment a metric breaches your limits.
Frequently Asked Questions
Start Monitoring in 60 Seconds
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Monitor Your Servers