Courses on Autumn 2018
Courses on Spring 2018
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- Juha-Pekka Pulkkinen on Aikataulu – Palvelinten hallinta ict4tn022 3004-ti ja 3002-to – loppukevät 2018 5p
- Niko Kulmanen on Aikataulu – Palvelinten hallinta ict4tn022 3004-ti ja 3002-to – loppukevät 2018 5p
- Tuomas Olkinuora on Aikataulu – Palvelinten hallinta ict4tn022 3004-ti ja 3002-to – loppukevät 2018 5p
- Niko Kulmanen on Aikataulu – Palvelinten hallinta ict4tn022 3004-ti ja 3002-to – loppukevät 2018 5p
- Samuli Salonen on Aikataulu – Palvelinten hallinta ict4tn022 3004-ti ja 3002-to – loppukevät 2018 5p
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Aikataulu – Palvelinten hallinta ict4tn022 3004-ti ja 3002-to – loppukevät 2018 5p
Just write what you want (idempotency). Control almost everything with one system (single source of truth). In plain text (infrastructure as code, versionable). Control 10 computers. Or 100. Or 1000. Or control 2071 computers, like Jussi did on a previous … Continue reading
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Tagged configuration management, configuration management system, course, DevOps, git, Helsinki, ict4tn022, idempotency, infra as code, infrastructrure as code, keskitetty hallinta, kurssi, linux, Palvelinten hallinta, Pasila, puppet, salt, saltstack, server, single source of thruth, versionable
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Configuration Management Course is Finished
My students have created many interesting projects on configuration management course. The feedback was excellent, 4.6 out of 5. The most common feedback (mode) was 5 out of 5. Thank you! Jussi Isosompppi controlled 2071 slave computers with Salt.
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Tagged apache, competition, configuration management, configuration management system, container, course, DevOps, docker, feedback, Finland, Graphana, haaga-helia, Helsinki, keskitetty hallinta, Kubernetes, lamp, load balancer, master, master-minion, master-slave, mysql, nginx, Pasila, php, project, provision, React Native, salt, salt-cloud, saltstack, slave, sls, student, Suomi, virtual private server, vps, wordpress
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Apache User Homepages Automatically – Salt Package-File-Service Example
These are example daemon configuration files for salt. Package-file-service is the most common way to configure daemons. If you’re new, start with salt master-slave installation and a commented example of SSH Server install.
Aikataulu – Palvelinten hallinta ict4tn022 4-ti 5-ke 5 – loppukevät 2018 5p
Control 10 computers. Or 100. Or 1000. Just write what you want (idempotency). Control almost everything with one system (single source of truth). In plain text (infrastructure as code, versionable). My current research area is configuration management systems: I gave … Continue reading
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Tagged configuration management, configuration management system, course, DevOps, git, Helsinki, ict4tn022, idempotency, infra as code, infrastructrure as code, keskitetty hallinta, kurssi, linux, Palvelinten hallinta, Pasila, puppet, salt, saltstack, server, single source of thruth, versionable
212 Comments
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.
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
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
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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Tagged cfengine, cfengine3, configuration management system, DevOps, hello world, tutorial, Ubuntu 16.04 LTS, xenial
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So Many Slaves: 455 Docker, 100 VirtualBox, 65 physical workstations, 50 VPS
Nikolai has 455 slaves in Docker containers. Joona has 100 slaves in VirtualBox, Joonas and Matilda have 60 slaves, Heikki has 21. This an ongoing competition for the students of my configuration management courses.
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Tagged competition, configuration management system, DevOps, master, puppet, puppetmaster, slave
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