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Multiple Virtual Computers in Minutes – Vagrant Multimachine
You can install multiple virtual computers in minutes. This example shows how to install two Ubuntu 16.04 virtual machines and configure SSH – in a couple minutes.
Posted in Uncategorized
Tagged cloud, configuration management, configuration management system, multimachine, puppet, ubuntu, vagrant, Vagrantfile, VirtualBox, virtualization
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Aikataulu – Linuxin keskitetty hallinta – 3 op, vanha OPS – loppusyksy 2017 p5 – Puppet
Control 10 computers. Or 100. Or 1000. Use Puppet, the tool used by US Gov (security baseline), Mozilla, Google (laptops and desktops) and Wikipedia. Just write what you want (idempotency). Control almost everything with one system (single source of truth). … Continue reading
Apply Puppet Resources Top Down – ordering=manifest – Order without Require
By default Puppet manifest ordering is arbitrary. You either have to use require a lot or apply your modules twice. But there is an easy fix: $ sudoedit /etc/puppet.conf [main] ordering = manifest # …
Posted in Uncategorized
Tagged annoyance, configuration management, domain specific language, dsl, manifest, order, papercut, puppet, short
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Aikataulu – Palvelinten hallinta ict4tn022-3 – 5 op, uusi OPS – loppusyksy 2017 p5
Control 10 computers. Or 100. Or 1000. Use Puppet, the tool used by US Gov (security baseline), Mozilla, Google (laptops and desktops) and Wikipedia. Just write what you want (idempotency). Control almost everything with one system (single source of truth). … Continue reading
Posted in Uncategorized
Tagged configuration management, configuration management system, course, git, Helsinki, ict4tn022, idempotency, infra as code, infrastructrure as code, keskitetty hallinta, kurssi, linux, Palvelinten hallinta, Pasila, puppet, salt, saltstack, single source of thruth, versionable
119 Comments
Teaching Puppet Configuration Management in The National Library of Finland
I’m very happy to get a change to talk about Puppet in the National Library of Finland. Working with experienced professionals makes an interesting day. I have used their Finto ontology to create one of the largest free Finnish-English dictonaries … Continue reading
Posted in Uncategorized
Tagged configuration management, course, Helsinki, Kansalliskirjasto, kurssi, linux, National Library of Finland, puppet
3 Comments
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 configuration management, DevOps, etc, Firefox, settings, short
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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 agenda, configuration management, course, DevOps, fabric, Helsinki, ict4tn011, kurssi, Linuxin keskitetty hallinta, puppet, Salt Stack, ssh
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 configuration management, Debconf.set, DevOps, mariadb, mysql, mysql-server, password, preseed, pyobjects, salt, Salt Stack
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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 client-server, configuration management, DevOps, howto, idempotent, linux, master, master-slave, minion, salt, Salt Stack, salt-master, salt-minion, slave, state, tutorial, ZeroMQ
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