{"id":13366,"date":"2025-09-24T13:53:04","date_gmt":"2025-09-24T08:08:04","guid":{"rendered":"https:\/\/nestnepal.com\/blog\/?p=13366"},"modified":"2025-10-12T11:23:03","modified_gmt":"2025-10-12T05:38:03","slug":"guide-resource-monitoring-htop-glances-netdata","status":"publish","type":"post","link":"https:\/\/nestnepal.com\/blog\/guide-resource-monitoring-htop-glances-netdata\/","title":{"rendered":"Keep Your VPS Running Smoothly: A Complete Guide to Resource Monitoring with htop, Glances, and Netdata"},"content":{"rendered":"\n

As a web developer or business owner in Nepal, you’ve probably invested in a VPS (Virtual Private Server)<\/a> to host your website or application. But here’s the thing, simply having a VPS isn’t enough. You need to keep a close eye on how it’s performing to ensure your visitors get the best experience possible.<\/p>\n\n\n\n

Think of it like owning a car. You wouldn’t just drive it without ever checking the fuel gauge, engine temperature, or oil levels, right? Your VPS needs the same kind of attention. That’s where resource monitoring comes in, and today we’re going to explore three fantastic tools that’ll help you keep tabs on your server’s health: htop, Glances, and Netdata.<\/p>\n\n\n\n

Why VPS Monitoring Matters (More Than You Think)<\/strong><\/h2>\n\n\n\n

Before we dive into the tools, let’s talk about why monitoring your VPS is crucial, especially for businesses operating in Nepal’s growing digital landscape.<\/p>\n\n\n\n

Performance Issues Cost Money<\/strong> When your server runs out of memory or your CPU is constantly maxed out, your website slows down. Slow websites lose visitors, and lost visitors mean lost business. In fact, a one-second delay in page load time can reduce conversions by up to 7%.<\/p>\n\n\n\n

Proactive vs Reactive Management<\/strong> Instead of waiting for things to break (and scrambling to fix them at 2 AM), monitoring helps you spot problems before they affect your users. It’s like having a health checkup, better to catch issues early than deal with emergencies later.<\/p>\n\n\n\n

Resource Optimization<\/strong> Monitoring shows you exactly what resources you’re using and when. Maybe you’re paying for more RAM than you need, or perhaps it’s time to upgrade your CPU. Data-driven decisions save money and improve performance.<\/p>\n\n\n\n

Meet Your Monitoring Squad: htop, Glances, and Netdata<\/strong><\/h2>\n\n\n\n

Let’s break down each tool and see what makes them special:<\/p>\n\n\n\n

Tool<\/strong><\/td>Best For<\/strong><\/td>Difficulty Level<\/strong><\/td>Resource Usage<\/strong><\/td><\/tr>
htop<\/a><\/td>Quick system overview<\/td>Beginner<\/td>Very Low<\/td><\/tr>
Glances<\/a><\/td>Detailed system analysis<\/td>Intermediate<\/td>Low<\/td><\/tr>
Netdata<\/a><\/td>Real-time web dashboard<\/td>Intermediate to Advanced<\/td>Medium<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

htop: Your First Line of Defense<\/strong><\/h2>\n\n\n\n

htop is like the Swiss Army knife of system monitoring, simple, reliable, and always there when you need it. If you’re new to VPS management, this is where you should start.<\/p>\n\n\n\n

What Makes htop Great<\/strong><\/h3>\n\n\n\n

Visual and Intuitive<\/strong> Unlike the basic top command, htop presents information in a colorful, easy-to-read format. You can see CPU usage, memory consumption, and running processes at a glance.<\/p>\n\n\n\n

Interactive Interface<\/strong> You can scroll through processes, sort by different columns, and even kill problematic processes directly from the interface. No need to remember complex command combinations.<\/p>\n\n\n\n

Installing htop<\/strong><\/h3>\n\n\n\n

On most Linux distributions, installing htop is straightforward:<\/p>\n\n\n\n

# For Ubuntu\/Debian\nsudo apt update && sudo apt install htop\n\n# For CentOS\/RHEL\nsudo yum install htop\n\n# For newer CentOS\/RHEL versions\nsudo dnf install htop<\/code><\/pre>\n\n\n\n
Reading htop Like a Pro<\/strong><\/h3>\n\n\n\n
When you run htop, here’s what you’re looking at:<\/p>\n\n\n\n
Top Section (System Overview):<\/strong><\/p>\n\n\n\n
    \n
  • CPU bars show individual core usage<\/li>\n\n\n\n
  • Memory (Mem) shows RAM usage<\/li>\n\n\n\n
  • Swap shows virtual memory usage<\/li>\n\n\n\n
  • Tasks shows total processes and their states<\/li>\n<\/ul>\n\n\n\n
    Bottom Section (Process List):<\/strong><\/p>\n\n\n\n
      \n
    • PID: Process ID<\/li>\n\n\n\n
    • USER: Who’s running the process<\/li>\n\n\n\n
    • CPU%: CPU usage percentage<\/li>\n\n\n\n
    • MEM%: Memory usage percentage<\/li>\n\n\n\n
    • COMMAND: What the process is doing<\/li>\n<\/ul>\n\n\n\n
      Pro Tip:<\/strong> Press F6 to sort processes by different criteria. Sorting by CPU% or MEM% helps you quickly identify resource hogs.<\/p>\n\n\n\n
      htop Best Practices for VPS Owners<\/strong><\/h3>\n\n\n\n
        \n
      1. Check regularly but don’t obsess<\/strong>: A quick daily check is usually enough<\/li>\n\n\n\n
      2. Look for patterns<\/strong>: High CPU usage at certain times might indicate backup scripts or scheduled tasks<\/li>\n\n\n\n
      3. Know your normal<\/strong>: Every server has its baseline; learn yours<\/li>\n\n\n\n
      4. Don’t panic at spikes<\/strong>: Temporary high usage is normal; sustained high usage needs attention<\/li>\n<\/ol>\n\n\n\n
        Glances: The Detail-Oriented Monitor<\/strong><\/h2>\n\n\n\n
        If htop is a Swiss Army knife, Glances is a fully equipped workshop. It provides comprehensive system information in a single view, making it perfect for detailed analysis.<\/p>\n\n\n\n
        Why Glances Stands Out<\/strong><\/h3>\n\n\n\n
        Everything in One Place:<\/strong> Glances monitors CPU, memory, disk I\/O, network activity, and even disk space usage. It’s like having multiple monitoring tools rolled into one.<\/p>\n\n\n\n
        Adaptable Display:<\/strong> The interface automatically adjusts based on your terminal size, and it can run in different modes, from basic text to web interface.<\/p>\n\n\n\n
        Remote Monitoring:<\/strong> You can monitor multiple servers from a single location, which is fantastic if you manage several VPS instances.<\/p>\n\n\n\n
        Getting Started with Glances<\/strong><\/h3>\n\n\n\n
        Installation varies by system:<\/p>\n\n\n\n
        # Using pip (recommended)\nsudo pip3 install glances\n\n# Ubuntu\/Debian\nsudo apt install glances\n\n# CentOS\/RHEL\nsudo yum install glances<\/code><\/pre>\n\n\n\n
        Understanding Glances Interface<\/strong><\/h3>\n\n\n\n
        When you run glances, you’ll see sections for:<\/p>\n\n\n\n
        CPU Information:<\/strong><\/p>\n\n\n\n
          \n
        • Overall usage and per-core breakdown<\/li>\n\n\n\n
        • Load averages (1, 5, and 15-minute intervals)<\/li>\n\n\n\n
        • CPU temperature (if available)<\/li>\n<\/ul>\n\n\n\n
          Memory Details:<\/strong><\/p>\n\n\n\n
            \n
          • RAM usage with detailed breakdown<\/li>\n\n\n\n
          • Swap usage<\/li>\n\n\n\n
          • Memory-intensive processes<\/li>\n<\/ul>\n\n\n\n
            Network Activity:<\/strong><\/p>\n\n\n\n
              \n
            • Bandwidth usage per interface<\/li>\n\n\n\n
            • Network connections<\/li>\n\n\n\n
            • Data transferred<\/li>\n<\/ul>\n\n\n\n
              Disk Information:<\/strong><\/p>\n\n\n\n
                \n
              • Disk space usage per partition<\/li>\n\n\n\n
              • Read\/write speeds<\/li>\n\n\n\n
              • I\/O operations per second<\/li>\n<\/ul>\n\n\n\n
                Glances Web Interface<\/strong><\/h3>\n\n\n\n
                Here’s something cool, Glances can run as a web server:<\/p>\n\n\n\n
                glances -w<\/p>\n\n\n\n
                Then visit http:\/\/your-server-ip:61208 to see a beautiful web interface. This is perfect for monitoring your VPS from anywhere, even your mobile phone!<\/p>\n\n\n\n
                Advanced Glances Features<\/strong><\/h3>\n\n\n\n
                Alerts System<\/strong> Glances can alert you when resources exceed thresholds:<\/p>\n\n\n\n
                  \n
                • Green: OK<\/li>\n\n\n\n
                • Blue: Careful<\/li>\n\n\n\n
                • Purple: Warning<\/li>\n\n\n\n
                • Red: Critical<\/li>\n<\/ul>\n\n\n\n
                  Export Data<\/strong> You can export monitoring data to various formats for analysis or integration with other tools.<\/p>\n\n\n\n
                  Netdata: The Real-Time Dashboard Champion<\/strong><\/h2>\n\n\n\n
                  \"netdata\"<\/figure>\n\n\n\n
                  Netdata is the Ferrari of monitoring tools, fast, beautiful, and packed with features. It provides real-time insights through a gorgeous web interface that updates every second.<\/p>\n\n\n\n
                  What Makes Netdata Special<\/strong><\/h3>\n\n\n\n
                  Real-Time Everything<\/strong> Netdata collects and displays data in real-time with minimal system impact. You see what’s happening right now, not what happened a minute ago.<\/p>\n\n\n\n
                  Beautiful Visualizations<\/strong> Interactive charts, graphs, and metrics make it easy to understand complex system behavior at a glance.<\/p>\n\n\n\n
                  Extensive Monitoring<\/strong> Out of the box, Netdata monitors hundreds of metrics across different system components.<\/p>\n\n\n\n
                  Installing Netdata<\/strong><\/h3>\n\n\n\n
                  The easiest installation method:<\/p>\n\n\n\n
                  bash <(curl -Ss https:\/\/my-netdata.io\/kickstart.sh)<\/code><\/pre>\n\n\n\n
                  This script automatically detects your system and installs Netdata with optimal settings.<\/p>\n\n\n\n
                  Accessing Netdata Dashboard<\/strong><\/h3>\n\n\n\n
                  Once installed, open your web browser and navigate to: http:\/\/your-server-ip:19999<\/p>\n\n\n\n
                  You’ll be greeted with a stunning dashboard showing real-time system metrics.<\/p>\n\n\n\n
                  Key Netdata Features for VPS Monitoring<\/strong><\/h3>\n\n\n\n
                  System Overview Dashboard<\/strong> The main dashboard provides:<\/p>\n\n\n\n