From Empty Computer to Guest OS in 5 min – Install Vagrant and VirtualBox on Ubuntu 16.04.3 Live USB

With VirtualBox, you can run guest operating systems – Linux, Windows, OSX – under Linux. Vagrant makes it easy to create a new headless guest system and connect to it with SSH. It’s very fast: less than five minutes to … Continue reading

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Aikataulu – Linux palvelimet ict4tn021 4-ti ja 5-to – alkusyksy 2017 – 5 op

English: Learn to manage your own Linux server – in 8 weeks. Beginners welcome. Course is in Finnish. Both groups have completed their final lab tests. Congratulations to those who finished this demanding course. Final lab test for group 4-Tuesday. … Continue reading

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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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Aikataulu – Palvelinten hallinta ict4tn022-2 – 5 op, uusi OPS – loppukevät 2017 p2

Hallitse palvelimiasi Pupetilla. Pupettia käyttävät esimerkiksi Google, Mozilla ja Wikipedia. Sillä on toteutettu myös US Government Security Baseline hallinnon Linux ja Windows -tietokoneisiin.

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Agenda for Linux Basics dat8tf063-29 Spring 2017

Learn the basics of Linux in just 8 weeks! Linux course is teached in English in Pasila, Helsinki.

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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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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

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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.

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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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