CachyOS Apps

Install SpeedTest++ on CachyOS

Unofficial speedtest.net cli using raw TCP for better accuracy. Written in C++.

From the official CachyOS repo. Install with pacman, no AUR helper needed.

Reviewed Nov 2, 2026 · independent guide

How do I install SpeedTest++ on CachyOS?

Run this in a terminal:

sudo pacman -S speedtest++

speedtest++ is in the cachyos repo, the CachyOS project's own package repository, so pacman installs it directly with no AUR helper and no build script. The package is signed with the CachyOS repository key, and pacman checks the signature before it installs.

What should I do after installing SpeedTest++?

  1. It installs these commands: SpeedTest and speedtest++.
  2. Run pacman -Qi speedtest++ to see the installed version and the optional dependencies.

How do I update or remove SpeedTest++?

Update:

sudo pacman -Syu

Remove:

sudo pacman -Rns speedtest++

What is SpeedTest++?

Yet another unofficial speedtest.net client cli interface.

Package description: Unofficial speedtest.net cli using raw TCP for better accuracy. Written in C++.

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    From GitHub

    taganaka/SpeedTest · ★ 401 stars · last commit Jun 23, 2024

    Real issues opened by users on the project's GitHub, shown as written with a link to each one. 10 most reacted issues opened in the last two years plus the 5 newest issues, bots, pull requests, non English and political posts skipped, capped at 15 per repo. Fetched Nov 1, 2026.

    1. How do you test single-stream speed?Open

      Speedtest.net gives option to do a multi-stream test or a single-stream test.

      @melyux · · 0 comments · View on GitHub

    2. Ping 0msOpen

      Hello. For some reason i see 0ms when testing any server

      @wpresident · · 0 comments · View on GitHub

    3. No option to bind to specific interface/IPOpen

      speedtest-cli has this option, which is rather useful in the event that you have two NICs with separate connections. I think I'm not blind and that this is not the case with this tool, correct?

      @gnmmarechal · · 0 comments · View on GitHub

    4. add csv as an output typeOpen

      @cracklejoy · · 1 comments · View on GitHub

    5. Anyone here?Open

      Is this project still in progress?

      @nicoska84 · · 0 comments · View on GitHub

    6. FYI: the ipapi.is is limiting anonymous api requests starting from 1 Sept 2026 so now default measurements will stop and blacklist you from their fwOpen

      As per $subj. Please check: Solutions could be: 1) get a free api key from them, valid for 1000 requests a day (ideally we'd need a way to provide the api key to the container and have it refresh it every now and then, but not necessary as it seems an one time task to do) 2)…

      @tentator · · 0 comments · View on GitHub

    7. client.version() < mMinSupportedServer does not work for Client 2.11 & Min 2.3Open

      I fixed this by making all the float, strings. Everywhere there is something like float mServerVersion; + std::string mServerVersion; mServerVersion(-1.0) + mServerVersion("0") -SpeedTest::SpeedTest(float minServerVersion) : +SpeedTest::SpeedTest(std::string minServerVersion) : +…

      @jleima · · 0 comments · View on GitHub

    8. How to get a list of speed test servers?Open

      How do I get a list of speed test servers? As I would like to change speed test servers. What's the command please?

      @gimbleguy · · 1 reactions · 0 comments · View on GitHub

    9. std::invalid_argument Error on SpeedTest++ 1.14 Across Ubuntu and Raspberry PiOpen

      Started getting this error message simultaneously in ubuntu and Raspberry Pi: root@ubuntu:# /usr/local/bin/SpeedTest . SpeedTest++ version 1.14 Speedtest.net command line interface Info: Author: Francesco Laurita terminate called after throwing an instance of…

      @FaazHafid · · 1 comments · View on GitHub

    10. Error: uncaught exception of stofClosed

      i've got similar errors using this handy tool at: openwrt: macos:

      @gglluukk · · 3 reactions · 6 comments · View on GitHub

    11. Innacurate resultsClosed

      Same ip, same server, using mullvad VPN For some reason speedtest++ is completely out of scope with 24 Mbit/s then speedtest-cli from pacman repositories 47 Mbit/s and 57Mbit/s from website, which is closest to the truth, judging based on torrenting speed

      @NoPreserveR00t · · 0 comments · View on GitHub

    12. Unable to download server listOpen

      Similar to this error appears every time:

      @user8446 · · 0 comments · View on GitHub

    13. [Feature request] Bash/Zsh completionOpen

      Could you please make it possible to complete the options in Bash and Zsh?

      @ghost · · 0 comments · View on GitHub

    14. SpeedTest++ 1.11 does not compile on gentooClosed

      Hi! I was trying to compile latest version of your program, but fails with the following error. For your convenience I'm gonna post the full build.log error.log

      @ghost · · 2 comments · View on GitHub

    15. flag to specify which line type setings to useOpen

      Hello! Great tool, thank you for your job. Posting just in case someday it will be useful. While WEB version always uses multiple threads, cli version based on autodetected line type may limit concurrency which may affect results as can be seen in screenshots below. Some flag,…

      @rusak47 · · 0 comments · View on GitHub

    SpeedTest++ on CachyOS: questions

    Is SpeedTest++ in the official CachyOS repo?

    Yes. The speedtest++ package is in the cachyos repo, version 1.15.r72.b743996-2, built 2025-05-10. Install it with sudo pacman -S speedtest++.

    Do I need an AUR helper for SpeedTest++?

    No. It comes from the cachyos repo, so plain pacman installs and updates it, and sudo pacman -Syu keeps it current.

    What is the SpeedTest++ command?

    The package installs SpeedTest and speedtest++.