Speedtest CLI: Measure Your Internet Speed From Command Line
Hey guys! Ever wondered how to quickly check your internet speed without opening a browser? Well, the Speedtest CLI tool is here to save the day! It's a command-line interface that lets you run speed tests directly from your terminal. Super handy, right? Let's dive into what it is, how to install it, and how to use it effectively. Trust me; it's simpler than you think!
What is Speedtest CLI?
So, what exactly is this Speedtest CLI thing? Basically, it's the command-line version of the popular Speedtest.net website. Instead of clicking around on a webpage, you just type a command into your terminal, and bam! You get your download speed, upload speed, ping, and other network stats. It's perfect for those times when you're SSH-ed into a server, or you just prefer the coolness of the command line. Plus, it's lightweight and doesn't hog your system resources like a browser tab might.
The Speedtest CLI tool is designed for simplicity and efficiency. It leverages the same infrastructure as the web-based Speedtest.net, ensuring that you get accurate and reliable results. One of the biggest advantages is its automation capabilities. You can easily script speed tests to run at regular intervals, logging the data for network monitoring or troubleshooting. For instance, if you suspect your internet speed fluctuates throughout the day, you can set up a cron job to run the Speedtest CLI every hour and record the results. This can provide valuable insights into when and why your internet speed might be dropping. Furthermore, the CLI tool is highly configurable, allowing you to specify different servers to test against, change the unit of measurement, and even customize the output format. This level of control makes it a powerful tool for both casual users and network administrators alike. Whether you're trying to diagnose a slow internet connection at home or monitor the performance of a server's network, the Speedtest CLI offers a versatile and convenient solution. Additionally, it supports various operating systems, including Windows, macOS, and Linux, making it accessible to a wide range of users regardless of their preferred platform. This cross-platform compatibility ensures that you can use the same tool across all your devices, maintaining consistency in your speed testing procedures. With its ease of use and robust feature set, the Speedtest CLI has become an indispensable tool for anyone who needs to quickly and accurately assess their internet connection speed.
Installation Guide
Alright, let's get this show on the road! Installing the Speedtest CLI is pretty straightforward. Here's how to do it on different operating systems:
macOS
If you're on a Mac, you can use Homebrew, which, if you don't have, you absolutely should! Open your terminal and type:
brew install speedtest-cli
Once it's done installing, you're good to go!
For macOS users, the installation process using Homebrew is incredibly streamlined. Homebrew, a popular package manager for macOS, simplifies the installation of software by handling dependencies and configurations automatically. Once you have Homebrew installed, the command brew install speedtest-cli fetches the Speedtest CLI package from the Homebrew repository and installs it on your system. During the installation, Homebrew ensures that all necessary libraries and components are correctly installed, preventing common issues that can arise from manual installations. After the installation is complete, you can immediately start using the Speedtest CLI by typing speedtest in your terminal. Homebrew also makes it easy to update the Speedtest CLI to the latest version. Simply run brew upgrade speedtest-cli, and Homebrew will take care of downloading and installing the newest version while removing the old one. This ensures that you always have access to the latest features and bug fixes. In addition to Homebrew, there are alternative methods for installing the Speedtest CLI on macOS, such as using MacPorts or compiling from source. However, Homebrew is generally the preferred method due to its simplicity and ease of use. It’s also worth noting that the Speedtest CLI requires Python to be installed on your system. Fortunately, macOS comes with Python pre-installed, so you typically don’t need to worry about installing it separately. By leveraging Homebrew, macOS users can quickly and efficiently install the Speedtest CLI and start measuring their internet speed with just a few simple commands.
Windows
On Windows, you can use Chocolatey, another awesome package manager. If you don't have Chocolatey, install it first. Then, open your command prompt as an administrator and type:
choco install speedtestcli
After the installation, close and reopen your command prompt, and you're all set!
For Windows users, Chocolatey provides a convenient and reliable way to install the Speedtest CLI. Chocolatey is a package manager specifically designed for Windows, similar to Homebrew on macOS and APT or YUM on Linux. To install the Speedtest CLI using Chocolatey, you first need to ensure that Chocolatey is installed on your system. Once Chocolatey is set up, you can open a command prompt or PowerShell window as an administrator and run the command choco install speedtestcli. Chocolatey will then download the Speedtest CLI package and install it along with any dependencies. The installation process is largely automated, reducing the risk of errors and simplifying the setup. After the installation, it's recommended to close and reopen your command prompt or PowerShell window to ensure that the system recognizes the new command. You can then verify the installation by typing speedtest in the command prompt, which should display the Speedtest CLI's help information. Chocolatey also simplifies the process of updating the Speedtest CLI. To update to the latest version, you can run the command choco upgrade speedtestcli. Chocolatey will handle the download and installation of the new version while removing the old one. This ensures that you always have the latest features and security updates. In addition to Chocolatey, there are alternative methods for installing the Speedtest CLI on Windows, such as downloading the executable file directly from the Speedtest website or using pip if you have Python installed. However, Chocolatey is generally the preferred method due to its ease of use and integration with the Windows environment. By using Chocolatey, Windows users can quickly and efficiently install the Speedtest CLI and start measuring their internet speed with minimal effort.
Linux
On Linux, you can use apt (Debian/Ubuntu) or yum (Fedora/CentOS). Here's how:
Debian/Ubuntu:
sudo apt update
sudo apt install speedtest-cli
Fedora/CentOS:
sudo yum install speedtest-cli
And that's it! You're ready to roll!
For Linux users, installing the Speedtest CLI is typically straightforward, thanks to the availability of package managers like APT (Advanced Package Tool) on Debian and Ubuntu, and YUM (Yellowdog Updater, Modified) on Fedora and CentOS. These package managers simplify the installation process by automatically handling dependencies and ensuring that the software is installed correctly. On Debian and Ubuntu, you can install the Speedtest CLI by first updating the package list using the command sudo apt update, which fetches the latest information about available packages from the repositories. After updating the package list, you can install the Speedtest CLI using the command sudo apt install speedtest-cli. The sudo command is necessary to grant administrative privileges, allowing APT to install the software. On Fedora and CentOS, the process is similar, but you use the YUM package manager instead. The command sudo yum install speedtest-cli will download and install the Speedtest CLI from the configured repositories. As with APT, sudo is required to grant administrative privileges. After the installation, you can verify that the Speedtest CLI is installed correctly by typing speedtest in the terminal, which should display the tool's help information. One of the advantages of using package managers like APT and YUM is that they also simplify the process of updating the Speedtest CLI. To update to the latest version, you can use the command sudo apt update && sudo apt upgrade on Debian and Ubuntu, or sudo yum update speedtest-cli on Fedora and CentOS. These commands will check for updates and install the latest version of the Speedtest CLI if one is available. In addition to APT and YUM, there are alternative methods for installing the Speedtest CLI on Linux, such as using Snap or compiling from source. However, using package managers is generally the preferred method due to its ease of use and integration with the Linux environment. By leveraging APT or YUM, Linux users can quickly and efficiently install the Speedtest CLI and start measuring their internet speed with minimal effort.
Basic Usage
Now that you've got it installed, let's see how to use it! Open your terminal and simply type:
speedtest
Hit enter, and watch the magic happen! It'll automatically find the nearest server and run the test. You'll see your download speed, upload speed, and ping time displayed in your terminal. How cool is that?
Using the Speedtest CLI is incredibly straightforward. Once you have installed the tool, you can run a basic speed test by simply typing speedtest in your terminal and pressing Enter. The Speedtest CLI will then automatically locate the nearest server based on your geographic location and initiate the speed test. During the test, the CLI tool measures various network parameters, including download speed, upload speed, and ping time. The download speed represents the rate at which data can be transferred from the server to your computer, while the upload speed represents the rate at which data can be transferred from your computer to the server. Ping time, also known as latency, measures the time it takes for a small packet of data to travel from your computer to the server and back. After the test is complete, the Speedtest CLI displays the results in a clear and concise format in your terminal. The results typically include the download speed in Mbps (Megabits per second), the upload speed in Mbps, and the ping time in milliseconds. Additionally, the Speedtest CLI may provide other information such as the server location and the IP address of your computer. One of the key advantages of the Speedtest CLI is its simplicity. With just a single command, you can quickly and easily measure your internet speed without having to navigate to a website or use a graphical interface. This makes it particularly useful for situations where you need to quickly check your internet speed, such as when troubleshooting network issues or monitoring network performance. Furthermore, the Speedtest CLI can be easily integrated into scripts and automated tasks, allowing you to schedule regular speed tests and collect data over time. This can be valuable for identifying trends and patterns in your network performance. For example, you can set up a cron job to run the Speedtest CLI every hour and log the results to a file. By analyzing the data, you can determine if your internet speed fluctuates throughout the day and identify potential causes.
Advanced Options
But wait, there's more! The Speedtest CLI has some cool advanced options you can play with. Here are a few examples:
- 
Specify a Server: If you want to test against a specific server, you can use the --serveroption followed by the server ID. To list available servers, use:speedtest --listThen, to test against a specific server: speedtest --server <server_id>
- 
Get a Shareable Link: Want to share your results? Use the --shareoption:speedtest --shareThis will give you a link to an image of your test results. 
- 
Change the Unit: By default, the speed is shown in Mbps. If you prefer Kbps, use the --bytesoption:speedtest --bytes
Delving into the advanced options of the Speedtest CLI opens up a world of customization and control. For instance, the ability to specify a server is particularly useful when you want to test your connection to a server in a specific geographic location. This can be helpful for troubleshooting latency issues or verifying the performance of a particular server. To use this feature, you first need to obtain a list of available servers by running the command speedtest --list. This will display a list of servers along with their corresponding IDs. Once you have identified the server you want to test against, you can use the --server option followed by the server ID, like this: speedtest --server <server_id>. The Speedtest CLI will then connect to the specified server and perform the speed test. Another handy option is the --share flag, which generates a shareable link to an image of your test results. This is great for sharing your results with others, such as when reporting network issues to your ISP or comparing your internet speed with friends. To use this option, simply run the command speedtest --share. The Speedtest CLI will then upload your test results to the Speedtest.net website and provide you with a link to the image. The image includes information such as your download speed, upload speed, ping time, and the server location. By default, the Speedtest CLI displays the speed in Mbps (Megabits per second). However, if you prefer to see the speed in Kbps (Kilobits per second), you can use the --bytes option. When you run the command speedtest --bytes, the Speedtest CLI will display the speed in Kbps instead of Mbps. This can be useful if you are more familiar with Kbps or if you need to compare your results with older speed tests that used Kbps as the unit of measurement. These are just a few examples of the advanced options available in the Speedtest CLI. By exploring the available options, you can tailor the Speedtest CLI to your specific needs and gain valuable insights into your network performance.
Why Use Speedtest CLI?
Okay, so why should you even bother with this CLI tool when you can just use the website? Here's the lowdown:
- Automation: You can easily script it to run tests automatically at specific times.
- No Browser Needed: Perfect for servers or when you just want to avoid opening a browser.
- Lightweight: It uses minimal resources compared to a full browser.
- Accuracy: It uses the same Speedtest.net engine, so you get reliable results.
There are several compelling reasons to choose the Speedtest CLI over the web-based Speedtest.net interface. One of the most significant advantages is the ability to automate speed tests. With the Speedtest CLI, you can easily create scripts that run speed tests at predefined intervals, such as every hour or every day. This can be incredibly useful for monitoring network performance over time and identifying potential issues. For example, if you suspect that your internet speed fluctuates throughout the day, you can set up a cron job to run the Speedtest CLI every hour and log the results to a file. By analyzing the data, you can determine when your internet speed is at its lowest and identify possible causes, such as network congestion or hardware problems. Another key advantage of the Speedtest CLI is that it doesn't require a web browser. This makes it ideal for use on servers or headless systems where a graphical interface is not available. You can simply SSH into the server and run the Speedtest CLI from the command line. This can be particularly useful for troubleshooting network issues on remote servers or monitoring the performance of cloud-based applications. Additionally, the Speedtest CLI is lightweight and uses minimal system resources compared to a web browser. This means that it won't slow down your computer or consume excessive bandwidth. This can be especially important if you are running the Speedtest CLI on a low-powered device or if you are concerned about data usage. Despite being a command-line tool, the Speedtest CLI provides accurate and reliable results. It uses the same Speedtest.net engine as the web-based interface, ensuring that you get consistent and trustworthy results. This means that you can rely on the Speedtest CLI to provide you with an accurate assessment of your internet speed and network performance. In summary, the Speedtest CLI offers several advantages over the web-based Speedtest.net interface, including automation capabilities, no browser requirement, lightweight design, and accurate results. These features make it an indispensable tool for network administrators, developers, and anyone who needs to monitor their internet speed and network performance.
Troubleshooting Common Issues
Sometimes, things don't go as planned. Here are some common issues and how to fix them:
- Command Not Found: Make sure you've added the installation directory to your system's PATH environment variable.
- Connection Errors: Check your internet connection and firewall settings. Make sure the Speedtest CLI can access the internet.
- Inaccurate Results: Try testing against a different server using the --serveroption.
Even with a straightforward tool like the Speedtest CLI, you might encounter some issues. One common problem is the "command not found" error, which typically occurs when your system can't locate the Speedtest CLI executable. This usually happens if the installation directory is not added to your system's PATH environment variable. To resolve this, you need to manually add the directory where the Speedtest CLI is installed to your PATH variable. The exact steps for doing this vary depending on your operating system. On Windows, you can edit the PATH variable through the System Properties dialog. On macOS and Linux, you can modify the .bashrc or .zshrc file in your home directory. Another common issue is connection errors, which can prevent the Speedtest CLI from connecting to the Speedtest.net servers. This can be caused by a variety of factors, such as a problem with your internet connection, a firewall blocking the Speedtest CLI, or a misconfigured network setting. To troubleshoot connection errors, start by checking your internet connection to make sure that you can access other websites and online services. If your internet connection is working, check your firewall settings to ensure that the Speedtest CLI is not being blocked. You may need to add an exception to your firewall for the Speedtest CLI. Additionally, you can try disabling your firewall temporarily to see if that resolves the issue. If you are still experiencing connection errors, you may need to check your network settings, such as your DNS server and proxy settings. Inaccurate results can also be a problem with the Speedtest CLI. This can be caused by a variety of factors, such as network congestion, a slow server, or a problem with your computer. To address inaccurate results, try testing against a different server using the --server option. You can also try running the Speedtest CLI at different times of the day to see if that improves the accuracy of the results. Additionally, make sure that your computer is not running any other programs that could be consuming bandwidth, such as file downloads or video streaming. By following these troubleshooting tips, you can resolve common issues with the Speedtest CLI and ensure that you are getting accurate and reliable results.
Conclusion
So there you have it! The Speedtest CLI is a fantastic tool for quickly and easily checking your internet speed right from the command line. It's simple to install, easy to use, and packed with features. Give it a try, and you might just find yourself ditching the website for good!
The Speedtest CLI stands out as a versatile and efficient tool for anyone looking to monitor their internet speed directly from the command line. Its ease of installation across various operating systems, combined with its simple yet powerful functionality, makes it an invaluable asset for both casual users and network professionals. The ability to automate speed tests, test against specific servers, and share results with ease further enhances its utility, providing users with a comprehensive understanding of their network performance. While occasional issues may arise, the troubleshooting tips outlined earlier can help resolve common problems and ensure accurate results. Whether you're a developer troubleshooting network issues on a remote server, a system administrator monitoring network performance over time, or simply a home user curious about your internet speed, the Speedtest CLI offers a convenient and reliable solution. By leveraging the power of the command line, you can gain deeper insights into your network and optimize your online experience. So, go ahead and give it a try – you might be surprised at how much you come to rely on this handy tool. The Speedtest CLI is more than just a command-line utility; it's a gateway to understanding and optimizing your network like never before.