Quick Fix for Useless Salt Warning – Add "file_ignore_glob: []" to /etc/salt/master

Some versions of Salt give you a useless warning on every run. The problem is easy to fix.

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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 States – I Want My Computers Like This

Describe how you’d like your computers, and Salt will configure them. For example, I want Apache web server, with PHP and user homepages, on all my computers whose name starts with ‘web’. To say the same in jargon: write your … 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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Arvioitava laboratorioharjoitus – Linux palvelimet ict4tn021-6 torstai – alkukevät 2018 – 5 op

This is the evaluated lab exercise for Linux Server Administration course, 50% of grade. Student had a Live USB stick and an empty computer, and he could use the public Internet. No other tools were allowed. Student feedback was excellent: … Continue reading

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Arvioitava laboratorioharjoitus – Linux palvelimet ict4tn021-7 tiistai – alkukevät 2018 – 5 op

This is the evaluated lab exercise for Linux Server Administration course, 50% of grade. Student had a Live USB stick and an empty computer, and he could use the public Internet. No other tools were allowed. Student feedback was excellent … Continue reading

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Penetration Testing Course – ict4tn027-3001 – Autumn 2018 – period 1 – 5 op

Update: The first course got excellent feedback: 4.9 out of five. Thank you! We have a new course starting on 2019 w21 Monday. I will teach the new penetration testing course. Name: Penetration Testing – Tunkeutumistestaus Code: ict4tn027-1 Teaching language: … Continue reading

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Arvioitava laboratorioharjoitus – Linux palvelimet ict4tn021-8 maanantai – alkukevät 2018 – 5 op

This is the evaluated lab exercise for Linux Server Administration course, 50% of grade. Student had a Live USB stick and an empty computer, and he could use the public Internet. No other tools were allowed. Student feedback was 4.7 … Continue reading

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