Use "PCnet-Fast III" Network Adapter in VirtualBox – Prevent virtualbox_e1000_0day Attack

Use “PCnet-Fast III” network adapter in VirtualBox to prevent guest-to-host attack. MorteNoir1 published a guest-to-host escape from Virtualbox as a zero day attack. He named it virtualbox_e1000_0day. It seems that you can easily protect against the attack by using a … Continue reading

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Faster 'vagrant up' with apt/deb Package Proxy

Create virtual machines faster by caching deb packages. Use squid-deb-proxy on host OS, then add an apt.conf.d/ config file to make guest OS apt-get use your proxy. Following these notes requires fluency with command line, sudo, daemons and vagrant.

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Automaticaly Build Penetration Testing Environment – Kali, Metasploitable, Vagrant

My student Toni Jääskeläinen developed a PenTest environment that can be set up automatically. Based on my idea, it’s distributed as a single Vagrantfile. Using pentest tools requires special care and skill, as even mistakes with some of these tools … Continue reading

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Tommi's 639 Puppet Slaves

My student Tommi tested Puppet with 639 slaves. Tommi is running some 20 physical computers with about 30 virtual computers each. Tatu has 263 slaves – on a single physical machine with a huge swap file. Who will get 640 … Continue reading

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Provision Multiple Virtual Puppet Slaves with Vagrant

For testing, it’s convenient to provision many virtual slave computers to your master. This Vagrant file installs two virtual computers and automatically configures them as slaves to a puppetmaster in a predefined IP address. Advanced stuff warning: Using this sample … Continue reading

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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.

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Ubuntu 16.04 Xenial Guest on Vagrant – vagrant init bento/ubuntu-16.04

Vagrant can install a virtual guest system in two minutes. Vagrant also configures guest SSH server automatically. To use latest Ubuntu 16.04 LTS Xenial, you should use box bento/ubuntu-16.04. $ vagrant init bento/ubuntu-16.04 $ vagrant up $ vagrant ssh That’s … Continue reading

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Room Status Remotely with OfficeIOT – Haaga-Helia Student Project with Martela

My negotiation rooms are reserved, but is anyone actually there? What’s the utilization rate? OfficeIOT project helps you. It senses if people are in the room and sends this information to a server in the cloud. Users can then log … Continue reading

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Install Ubuntu Virtual Machine in Minutes with Vagrant

In two minutes, you could have an SSH connection to your new virtual Ubuntu server. Vagrant allows you to define your virtual host in a simple text file. It can then automatically install your new virtual machine and setup automatic … Continue reading

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Koe – Linux palvelimena ict4tn003-4

Tehtävästä teki haastavan se, että kurssilla opittuja taitoja ja teoriaa piti soveltaa uusiin työkaluihin, joiden käyttöä ei harjoiteltu tunneilla. Kiitos palautteista! Esimerkkiratkaisuja kotitehtäviin löytyy klikkaamalla nimeä palautteista, esimerkiksi Jonnen ohjeet SSL-sertifikaatista tai Einon raportti (peili). Ryömivät robotit Oy Tarvitsemme sisällönhallintajärjestelmän … Continue reading

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