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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
Posted in Uncategorized
Tagged 0day, attack, bypass, e1000, full disclosure, mitigate, MorteNoir1, network adapter, NIC, vagrant, VirtualBox, virtualbox_e1000_0day, virtualization, vulnerability, zero day
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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.
Posted in Uncategorized
Tagged apt, cache, deb, proxy, squid, vagrant, VirtualBox, virtualization
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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
Posted in Uncategorized
Tagged agent, cloud, competition, master, master-slave, private cloud, puppet, puppetmaster, slave, slaves, student, VirtualBox, virtualization
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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
Posted in Uncategorized
Tagged automation, DevOps, orja-herra, private cloud, provision, puppet, script, vagrant, VirtualBox, virtualization
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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.
Posted in Uncategorized
Tagged cloud, configuration management, configuration management system, multimachine, puppet, ubuntu, vagrant, Vagrantfile, VirtualBox, virtualization
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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
Posted in Uncategorized
Tagged bug bypass, short, Ubuntu 16.04 LTS, vagrant, VirtualBox, virtualization, xenial
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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
Posted in Uncategorized
Tagged 3d printing, API, Arduino, Blender, C++, cloud, cpp, Furniture, http, https, Internet of Things, IoT, linux, Martela, Minifactory, mysql, Office, Passive Infrared, php, PIR, Python, Raspberry Pi, Raspbian, Remote sensing, REST, sensor, SSL, student, TLS, ubuntu, Utilization rate, virtualization
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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
Posted in Uncategorized
Tagged trusty, ubuntu, Ubuntu 14.04 LTS, vagrant, Vagrantfile, VirtualBox, virtualization
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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
Posted in Uncategorized
Tagged apache, ict4tn003, ict4tn003-4, linux palvelimena, ubuntu, vagrant, VirtualBox, virtualization, wordpress
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