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Ubuntu 16.04 Xenial Guest on Vagrant – vagrant init bento/ubuntu-16.04
Vagrant can install a virtual guest system in two minutes. Vagrant also configures guest SSH server automatically. To use latest Ubuntu 16.04 LTS Xenial, you should use box bento/ubuntu-16.04. $ vagrant init bento/ubuntu-16.04 $ vagrant up $ vagrant ssh That’s … Continue reading
Posted in Uncategorized
Tagged bug bypass, short, Ubuntu 16.04 LTS, vagrant, VirtualBox, virtualization, xenial
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Instant Firewall – sudo ufw enable
Firewall prevents access to all ports, except the ones you allow. Ubuntu ‘ufw’ command makes it easy to set up a firewall on Ubuntu. It only takes two commands to set up a firewall: $ sudo ufw allow 22/tcp $ … Continue reading
Simple Line Graph with Plotly.js
Draw a simple line graph with Plotly.js. With Plotly, drawing a line graph is just a single line of code.
Posted in Uncategorized
Tagged diagram, graph, JavaScript, line graph, plot, Plotly.js, short
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Disable touchpad when typing – syndaemon
Does your palm hit your touchpad when you type? Syndaemon momentarily disables touchpad when typing, with many extra features.
Prefer IPv4 on Ubuntu 16.04 LTS xenial – /etc/gai.conf
New Ubuntu 16.04 LTS Xenial prefers IPv6 connections. In some networks, this breaks software updates. You can easily fix this by making Ubuntu prefer IPv4 connections over IPv6.
Short Bash prompt – export PS1="\W\$ "
You can have a nice, deep directory stucture – and still keep your prompt short and tidy.
Posted in Uncategorized
Tagged bash, prompt, short
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Salt State with Multiple SLS Files
One salt state can have multiple SLS files. Other files are included from init.sls, so you can just use folder name to run the whole multi file state.
Posted in Uncategorized
Tagged file layout, include, pyobjects, salt, short, sls, state
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txvars – Start X Applications from Long Living Screen Sessions
Do your ‘screen’ sessions last for a week or a month? Do you like to start your X applications from the command line? You might need txvars. This article requires fluency with command line interface.
Posted in Uncategorized
Tagged bug, bug bypass, screen, short, X, X Window System
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USB MIDI keyboard on Linux – Akai LPK25
Akai LPK 25 Professional USB MIDI keyboard works on Ubuntu Linux. Keypress velocity, multiple keys and octave up/down all work as expected.
Posted in Uncategorized
Tagged AKAI, ALSA, composing, hardware, JACK, linux, LPK25, MIDI, music, short, synthesizer, Ubuntu 12.04 LTS, usb
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English in Finland on Ubuntu
Use English with modern units, such as meters. Updated for Ubuntu 12.04 LTS. English is the common language of computers. But why does it come with obsolete units, such as feet instead of meters? English in Denmark en_DK.UTF-8 is the … Continue reading
Posted in Uncategorized
Tagged en_DK, English in Denmark, Finnish, ISO 8601, meter, metric system, obsolete units, second, short, SI system, Ubuntu 12.04, yyyy-mm-dd HH:MM
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