Aikataulu – Palvelinten hallinta ict4tn022 3003-ti ja 3001-to – loppukevät 2019

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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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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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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Control Windows with Salt

This long article explores Windows management with Salt. First, it shows you how to automatically install software to Windows, control Windows boxes behind NAT and firewall and remotely run arbitrary PowerShell commands on Windows. $ sudo salt ‘*’ pkg.install gedit,firefox,steam,vlc … Continue reading

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Shorter Salt Ouput with –state-output terse

To get shorter output when configuring slaves with salt, use $ sudo salt ‘*’ state.highstate –state-output terse If you’re just getting started, you should install salt first. To get even cleaner output, you can get rid of useless warning.

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Pkg-File-Service – Control Daemons with Salt – Change SSH Server Port

You can control a huge number of daemons with a configuration management system. Package-file-service is the common pattern for this: install the software, replace a configuration file and finally restart the daemon to use the new configuration. This article shows … Continue reading

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Run Salt SLS File Locally – sudo salt-call –local state.apply foo

What if I just want to run a single SLS file (salt state) once? Save your state to /srv/salt/foo.sls and apply it $ sudo salt-call –local state.apply foo This masterless setup is just for quick testing. In production, you would use … Continue reading

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Salt Quickstart – Salt Stack Master and Slave on Ubuntu Linux

You can control a thousand computers with Salt. And this is how you install Salt. Slaves, the controlled computers, can be anywhere: behind an NAT, behind a firewall, on an unknown address. And still you can control them. Only the … Continue reading

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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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Top Configuration Management Systems – Puppet vs Salt vs Ansible vs Chef

The leading configuration management systems compared: Puppet, Chef, Ansible, Salt. My students Joona, Jori, Eero and Jarkko gave a presentation and demonstrated each system. ArcticCM provisioned and configured a couple of Linux desktops and servers, and also configured some Windows … Continue reading

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