This blog is deprecated

May 25th, 2017 — 03:20 pm

I will not update this blog anymore, but I did continue writing on two other pages.

As a Zen monk, I continue to write on http://zen-temple.net/news and as a programmer I will post on http://200ok.ch.

Thank you for coming here and may you have a good time.

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I just paid my annual Free Software Foundation contribution

October 6th, 2016 — 10:25 am

fsf_member_button

And just saw this nice button asking me to share it – so I’ll do just that^^

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Speedtest for Hackers

August 7th, 2016 — 08:20 am

If you want to do an ongoing speedtest with graphs for up- and download, forget about the web-based tools like speedtest.net and fast.com – those are nice if you are on mobile. Yet, when you are on a *nix machine, there’s better tooling in your Shell.

Speedtest Download

First, fire up a Terminal and start `nload` to view network traffic. If you are on macOS, you can also use the graphical tool ‘activity monitor`.

Then, in a second Terminal, start a permanent upload or download with the following commands:

Upload


ssh lafo@dublin.zhaw.ch "cat /dev/urandom" > /dev/null

Download

cat /dev/urandom| ssh lafo@dublin.zhaw.ch "cat > /dev/null"

Note that depending on your `ssh` configuration, you might need to disable compression on the client or server side.

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