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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
Posted in Uncategorized
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
125 Comments
Cleaning Up Sneaky JavaScript
Software can phone home. A lot of software “forgets” some Javascript and fonts on HTML pages inside the desktop program to do this. These are some notes about cleaning up Zeal, an “offline” documentation browser.
Posted in Uncategorized
Tagged ads, documentation browser, perl, proxy, sneaky, spyware, wireshark, Zeal
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Arvioitava laboratorioharjoitus – Linux palvelimet ict4tn021-3003 – to 8-14 – alkusyksy 2018p1 – 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. In Finnish. Feedback average … Continue reading
Posted in Uncategorized
Tagged arvioitava laboratorioharjoitus, course, final lab, kurssi, lamp, linux
4 Comments
Kali as Salt Slave – install salt-minion from upstream
Salt is a configuration management system. With Salt, you can control thousands of computers. Kali Linux does not have salt-minion in the default repositories, so you have to install it from upstream.
Posted in Uncategorized
Tagged Kali, linux, master-slave, minion, salt
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Arvioitava laboratorioharjoitus – Tunkeutumistestaus ict4tn027-3001 – Autumn 2018 – period 1 – 5 op
This is the evaluated final exercise of my penetration testing course. Five and half hours to break into targets + a little OSINT task. In Finnish. Course is complete. Feedback average was excellent, 4.9 out of 5.0. Thank you! More … Continue reading
Posted in Uncategorized
3 Comments
Identity Management Systems Compared
One user account, multiple systems. Identity Management (IdM) systems put users in one place. The same user can then login intranet, SSH to Linux and read his email. My students Markus, Jan, Eetu have compared Free IdM software (in Finnish). … Continue reading
Posted in Uncategorized
Tagged Active Directory, Apache Syncope, identity management, IdM, Keyclock, LDAP, Midpoint, monialaprojekti, OpenIDM, single sign on, Soffid, SSO, student, WSO2 Identity Server
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Penetration Tester Visiting from SilverSkin
Penetration tester Dani Frisk visits my course Tuesday. Dani is a 20 year old hacker from SilverSkin Oy. Dani’s work includes traditional penetration testing against mobile, desktop and network applications. He is also interested in hardware and firmware. Visit is … Continue reading
Posted in Uncategorized
Tagged Helsinki, kurssi, Pasila, pentest, SilverSkin, tunkeutumistestaus, Visiting Lecture, visitor
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Hello World Python3, Bash, C, C++, Go, Lua, Ruby, Java – Programming Languages on Ubuntu 18.04
Hello world! All programs start with a hello world. It tests that your environment is working, so that you can run your code. This is how you install and run the most important languages on Linux: Python 3, Bash, C, … Continue reading
Biometrics in Haaga-Helia – eye tracking, pupil size, galvanic skin response, facial expressions, heartbeat
See how listener’s emotional reactions are synced to mine. I pitched my doctoral thesis subject for one minute. Graph shows GSR (galvanic skin response) for both me and the listener. We also measured pupil size, facial expressions, heartbeat, eye fixation … Continue reading
Posted in Uncategorized
Tagged biometrics, emotion, eye tracking, galvanic skin response, GSR, iMotion, lie detector, polygraph, valence
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Forgot MariaDB Password – Fix: sudo mariadb -u root
Forgot your MariaDB password? Luckily, you don’t need password for administrative access. $ sudo mariadb -u root