xubuntu 14.04 – Devon and Cornwall GNU/Linux Users Group

For anyone who missed out today, we had another great pi jam, Big thank you to those that turned up and the 4 young people who also made it.

Again today was a good mix, Tom demonstrated his latest project: a face with a built in webcam that can track a coloured ball using OpenCV! This uses both Raspberry Pi and Arduino.

Video

One of the young people showed me the fg and bg commands, so my pi-liter project can now run but be put in the background, while it runs. I showed him the cowsay command, and one of the other young people got cmatrix working. These young people are uber L337.

I attempted to install Skype from Ubuntu software centre, failed, tried to download and then tell the installer to run through software centre, that failed, so just used dpkg and it worked fine without problems! I put a few notes on my website about this.

We could now do with more monitors and Pis, so we can get more people set up with Pis. I think we may have a few laptops at a future jam.

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If you are using xubuntu 14.04 then pressing print screen takes a screen shot of the WHOLE screen, this is fine in some cases but gets a pain if you want to write documentation or want to grab an application window.

The solution is to change thekey bindings

Click on Settings manager

Search for keyboard

Click the short cuts tab

You then get a screen like the one above. if you look at

xfce-screenshooter -w (-w means window) by default this is set to Alt-print screen to trigger. I have already changed it, so click where it says Alt-print and change it to print. you may have to change the one above to something else otherwise they clash.

Press close and when you press print screen it should grab the current window.

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Devon and Cornwall GNU/Linux Users Group

Category Archives: xubuntu 14.04

Raspberry Pi jam July 14 – Torbay

Xubuntu 14.04 – screen shots