System Monitor

A terminal-based system monitoring tool written in Go.

Description

This tool provides a real-time view of your system's CPU usage, memory consumption, network activity, running processes, and network connections. It's built using tview for the terminal user interface and gopsutil for data collection.

Features

• System Information: Displays CPU and memory usage.
• Network Statistics: Shows download and upload speeds.
• Process List: Lists running processes with their PID, CPU usage, and memory usage.
• Network Connections: Shows active network connections with their associated process.
• Interactive UI:
  • Switch between the process and network connection tables using the Tab key.
  • Run whois on the remote address of a selected network connection.
  • Run witr on a selected process.
  • Open the local or remote address in a browser.

Install:

go install github.com/zerolethanh/sysmonitor@latest

Usage

sysmonitor

You can also specify the maximum number of processes to display (default 100):

sysmonitor -limit 50

Keybindings

• Tab: Switch focus between the process table and the network connection table.
• Enter (on process table): Run witr for the selected process.
• Enter (on network connection table): Run whois for the remote address of the selected connection.
• w (on network connection table): Run witr for the process associated with the selected connection.
• l (on network connection table): Open the local address in a browser.
• r (on network connection table): Open the remote address in a browser.

Dependencies

• tview
• gopsutil
• witr (for process inspection, requires separate installation)
• whois (for network lookups)