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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Agenda for Linux Basics dat8tf063-28 – Autumn 2016

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

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Install PostgreSQL on Ubuntu – New user and database in 3 commands

Installing PostgreSQL is trivially easy. You just have to use the same name for linux user, database user and the database name.

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