Vagrant Revisited – Install & Boot New Virtual Machine in 31 seconds

Vagrant installs a new virtual machine automatically. In half a minute, you control the machine with ssh.

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Install OpenAI Universe on Ubuntu 16.04

OpenAI: Write Python program that plays any game. Optionally, use machine learning so that computer learns the game by itself. OpenAI “hello world” is just ten lines. But installing the environment is difficult. This article shows you how to install … Continue reading

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Windows 10 as a Puppet Slave for Ubuntu 16.04 Master

Puppet can control Windows 10 slaves, making it much easier to administer Windows boxes. This article shows how to configure Windows 10 as a Puppet slave for an Ubuntu 16.04 LTS xenial master.

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Hello CFEngine – CFengine3 on Ubuntu 16.04 Xenial

This article shows you how to install CFEngine 3 on Ubuntu and write a simple “Hello World” program. Modern configuration management systems let your describe your infrastructure as code in an idempotent way. You define the target state of your … Continue reading

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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

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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.

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Cache Ubuntu deb packages – squid-deb-proxy-client

You can install and upgrade large network of Ubuntu Linux computers very fast. Just use proxy for deb packages.

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