Once it's installed, you need two machines on the same network to use it (both must have iPerf installed).

Debian, Raspbian, and Ubuntu users can install it with apt: sudo apt install iperf IPerf is a great way to test your LAN speed (rather than your Internet speed, as the two previous tools do). To get your upload speed, use the -u flag: $ fast -u The command returns your Internet download speed. Its web interface is located at, and it has a command-line interface available through npm: npm install -global fast-cliīoth the website and command-line utility provide the same basic interface: it's a simple-as-possible speed test: $ fast Fastįast is a service provided by Netflix. It's fast and scriptable, so you can run it regularly and save the output to a file or database for a record of your network speed over time. This gives you your download and upload Internet speeds. Hosted by CenturyLink (Cambridge, UK) : 31.566 ms Then run it with the command speedtest: $ speedtest Install it with: sudo apt install speedtest-cli You can use it as a command-line tool or within a Python script. It's implemented in Python, packaged in Apt, and also available with pip. Three open source tools that enable you to check your internet and network speeds at the command line are Speedtest, Fast, and iPerf.

Welcome to the communityīeing able to validate your network connection speed puts you in control of your computer.

Ookla speed test