Speedtest CLI: Detailed Network Speed Test Guide From A to Z

1. Introduction to Speedtest CLI

Speedtest CLI is a command-line tool for testing internet speed regarding download, upload, and latency (ping). This software allows users to quickly and accurately measure and assess network performance, helping them better understand their internet connection status. With advantages of speed and accuracy, Speedtest CLI is the ideal choice for those who need to frequently test network speed with specific parameters.

The outstanding advantage of Speedtest CLI compared to the Speedtest web version is the ability to perform remote tests without needing to open a browser, saving time and providing more accurate results, especially in enterprise environments. Users of Speedtest CLI are usually network administrators, IT engineers, and tech-savvy users who require regular network speed testing.

2. Installing Speedtest CLI

Installing Speedtest CLI on Windows

To install Speedtest CLI on Windows, you need to follow these steps:

• Download and install Speedtest CLI for Windows from the official Ookla website.
• Add Speedtest CLI to PATH for easy access from Command Prompt.

Installing Speedtest CLI on macOS

On macOS, you have two installation methods:

• Installation via Homebrew: Use the command brew install speedtest-cli in Terminal for quick installation, this is the recommended method.
• manual installation: Download the installation file and follow the instructions on the official site.

Installing Speedtest CLI on Linux

For Linux operating systems like Ubuntu, Debian, or CentOS:

• Installation via APT/YUM: Use the command corresponding to each operating system for installation.
• Installation from .deb/.rpm file: Download and install the file according to the respective instructions for each operating system.

3. Basic Usage of Speedtest CLI

The command syntax of Speedtest CLI is very simple. You just need to open Command Prompt or Terminal and type the command speedtest to perform the test. The results will immediately display download speed, upload speed, and ping.

The meanings of the parameters are:

• Download: The speed of downloading data from the internet.
• Upload: The speed of uploading data to the internet.
• Ping: The response time between your device and the server.

4. Advanced Options of Speedtest CLI

Speedtest CLI offers many advanced options for professional users:

• Select a specific server to test speed, enhancing accuracy.
• Display the ID of the server for easier management.
• Test network speed in Mbps or Kbps as needed.
• Save results to a file for later reference or reporting.
• Use commands to schedule automatic network speed tests.

5. Troubleshooting Common Issues When Using Speedtest CLI

During the use of Speedtest CLI, some common errors may occur:

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