Firefox System Wide Settings – /etc/firefox/syspref.js

Firefox preferences for all users are in /etc/firefox/syspref.js. You can copy settings from your current user preferences.

Posted in Uncategorized | Tagged , , , , , | Leave a comment

Aikataulu – Linuxin keskitetty hallinta – ict4tn011-9 – loppukevät 2016

Hallitse palvelimiasi ja työasemiasi Pupetilla. Kuvaile tavoitetila, ja anna Pupetin tehdä tarvittavat säädöt ja asetukset. Pupettia käyttävät mm. Google, Mozilla ja Wikipedia. USA:n valtio suojaa Windows- ja Linux-työasemansa Pupetilla (US Government Security Baseline).

Posted in Uncategorized | Tagged , , , , , , , , , , , | 20 Comments

Preseed MySQL Server Password with Salt Stack

MySQL is the most popular multi-user database in the world. When you install MySQL Server automatically, you must set database root password without asking user to type it. On Debian and Ubuntu, you can use Preseed to answer installer (apt-get) … Continue reading

Posted in Uncategorized | Tagged , , , , , , , , , , | Leave a comment

Free SSL Certs, 50 Salt Slaves, 5 USD Raspberry Pi, Free Home Automation

Get free SSL cert for your business. Deploy and configure 50 servers to DigitalOcean. Buy RaspBerry Pi Zero for 5 USD (*actual price may vary). Automate your home. Read Ashkan’s thesis while he writes it.

Posted in Uncategorized | Tagged , , , , , , , , , , , , , , , , , , , , , , , | Leave a comment

Salt Master-Minion with Ubuntu 14.04 LTS – Control Your Slaves over the Internet

Would you like to control many computers (slaves, minions) from one master computer? Salt-minions connect to master to retrieve instructions. Slaves then configure themselves to the target state: they install software, make settings and start daemons.

Posted in Uncategorized | Tagged , , , , , , , , , , , , , , , , | Leave a comment

Implementing Package-File-Service Pattern as a Salt Stack PyObjects Function

PyObjects renderer allows you to use normal Python functions to repeat actions. In this article, we’ll implement a Package-File-Service pattern as a reusable Python function.

Posted in Uncategorized | Tagged , , , , , , , , | Leave a comment

Salt Package-File-Service with Pyobjects

When you install Apache, the most popular web server in the world, you want to show web pages. In practice, you install the package, keep the service running and modify a configuration file. In configuration management, this is called package-file-service … Continue reading

Posted in Uncategorized | Tagged , , , , , , , , | 7 Comments

Install the Latest Salt Stack on Ubuntu 14.04 LTS

Salt Stack is a configuration management system. It allows you to control a big number of computers easily. To get the latest features, you can install the latest stable Salt Stack on Ubuntu 14.04 LTS.

Posted in Uncategorized | Tagged , , , , , , , , , , | Leave a comment

Aikataulu – Linuxin keskitetty hallinta – ict4tn011-8 syksyllä 2015

Hallitse palvelimiasi ja työasemiasi automaattisesti.

Posted in Uncategorized | Tagged , , , , , , , , , , , | 37 Comments

Aikataulu – Linuxin keskitetty hallinta – ict4tn011-4 syksyllä 2013

Hallitse palvelimiasi ja työasemiasi Pupetilla. Pupettia käyttävät mm. Google, Mozilla ja Wikipedia.

Posted in Uncategorized | Tagged , , , , , , , , , | 40 Comments

Hello Puppet revisited – on Ubuntu 12.04 LTS

Learn “Hello Puppet World” in 5 minutes. Write one-liners & modules. Meet the configuration management system used by Google and Wikipedia.

Posted in Uncategorized | Tagged , , , , , , , , , , | Leave a comment

Aikataulu – Linuxin keskitetty hallinta – ict4tn011-3 keväällä 2013

Hallitse palvelimiasi ja työasemiasi Pupetilla. Pupettia käyttävät mm. Google, Mozilla ja Wikipedia.

Posted in Uncategorized | Tagged , , , , , , , , , | 10 Comments

Aikataulu – Linuxin keskitetty hallinta – ict4tn011-2 syksyllä 2012

Hallitse palvelimiasi ja työasemiasi Pupetilla. Pupettia käyttävät mm. Google, Mozilla ja Wikipedia. Kiitos suosiosta! Kurssille mahtuu 25 opiskelijaa, mutta ilmoittautuneita on jo 41. Jos et mahdu mukaan, ilmoittaudu seuraavalle toteutukselle ict4tn011-3 Winhassa jo samana iltana. Opettaja: Tero Karvinen. Paikka: h5001, … Continue reading

Posted in Uncategorized | Tagged , , , , , , , , , , | 73 Comments

Hello Puppet – on Ubuntu 12.04 LTS

Read new, revisited version of Hello Puppet World. Now with one-liner & module! Old version below. >> Move to new version >>>

Posted in Uncategorized | Tagged , , , , , , , | 1 Comment

PuppetMaster on Ubuntu 12.04

Control a whole network of computers from PuppetMaster. Wikipedia uses puppet for servers, Google uses puppet for OSX laptops. With this article, you can use puppet with Ubuntu servers and desktops. Prequisites To follow this article, you should be fluent … Continue reading

Posted in Uncategorized | Tagged , , , , , , | 17 Comments

Puppet Reading List

*Starting documents are marked with asterisk “*” and bold. Getting Started with Puppet Hello Puppet – on Ubuntu 12.04 LTS* Learning Puppet Master and Slave PuppetMaster on Ubuntu 12.04* Modules Learning Puppet: Modules and Classes (Part One) Learning Puppet: Parameterized … Continue reading

Posted in Uncategorized | Tagged , , , , , , , , | 1 Comment

Aikataulu – Linuxin keskitetty hallinta – ict4tn011-1

Hallitse palvelimiasi ja työasemiasi. Tutustu samoihin työkaluihin, joilla Wikipedian Linux-palvelimet ja Googlen työntekijöiden Mac OSX -läppärit hallitaan. Opettaja: Tero Karvinen. Paikka: h5001, Haaga-Helia Pasila, Helsinki. Aika: 2p, 2012 loppukevät w13-w19, torstaisin aamulla 08:15 – 12:00. Linuxin keskitetty hallinta 1 Moodlessa … Continue reading

Posted in Courses, Uncategorized | Tagged , , , , , , , | 28 Comments

Apache on Vagrant on Ubuntu – “config.vm.forward_port 80, 8080″ and ‘vagrant reload’

Vagrant can automatically set your port forwarding to your guest os. This makes web development easy. To follow this article, you should have vagrant installed. Install Apache on Guest In the box (guest OS), install Apache web server box$ sudo apt-get … Continue reading

Posted in Uncategorized | Tagged , , , , , , , | Leave a comment

Vagrant on Ubuntu 12.04 – Create and Boot New Virtual Machine in Minutes – apt-get install vagrant

Vagrant quickly creates a new virtual machine. Settings like automated ssh login and sudo are handled automatically. To follow this artice, you should be familiar with command line, apt-get and ssh. First Time Setup $ sudo apt-get -y install vagrant … Continue reading

Posted in Uncategorized | Tagged , , , , , , , , | 3 Comments

Demo Coming: 30 Ubuntus Installed & Managed

Update: Just came from lab and saw it working. The whole lab of 24 computers was installed. Only a couple of computers needed manual reboot (EFI BIOS settings, DHCP timeout). Configuring computers worked, too. AwaseConfigurations is almost ready. They can … Continue reading

Posted in Uncategorized | Tagged , , , , , , | Leave a comment

Ideas for Automation with Centralized Configuration Tool

You automated everything with cfengine, puppet or fabric. It works so smoothly that you are now looking for some more things to automate. Wireless WEP/WPA passwords, make available to all users in each slave Add shortcuts to desktop Add language … Continue reading

Posted in Uncategorized | Tagged , , , | Leave a comment

Administering 30 Computer Ubuntu Network

Would you like to install a small, 30 computer network? And manage it, in an automatic way? My students Armens, Henri and Panu decided to answer that question. Their blog has opened at Awaseconfigurations.Wordpress.Com Currently, they are playing with tools … Continue reading

Posted in Uncategorized | Tagged , , , , , | 1 Comment

Update All Your Computers with a .DEB Repository

Let all of your computers update your software automatically. Once you’ve packaged your scripts, put them in your own repository. Your workstations and servers can then automatically install latest versions of your programs. Prequisites: Packaging, Apache web server, Command line, … Continue reading

Posted in Uncategorized | Tagged , , , , , , , | 5 Comments

Vagrant promises to automate virtual machine creation

Vagrant promises to automate creation of VirtualBox virtual machines. Vagrant automatically adds ssh access, software and port forwarding. But is Vagrant ready for prime time yet? My students Tuomas Aaltonen, Toni Honkanen and Jesse Lindroos decided to try it out. … Continue reading

Posted in Uncategorized | Tagged , , , , , , | 2 Comments

Create deb metapackage in 5 minutes

How to install your 200 favourite programs automatically? Latest versions with bug fixes, please. Create a metapackage. Install requirements $ sudo apt-get update $ sudo apt-get -y install equivs Create source file Create a skeleton file. Use only small caps … Continue reading

Posted in Uncategorized | Tagged , , , , , , , | 6 Comments
  • Picks

  • Boxing Clock for AndroidOcton8 Diving T-ShirtsShaking Tower Panda Android GameLearn Chinese with Android
  • Student projects