Linux Admin

[HowTo] Install Coreboot and disable Intel ME on Lenovo Thinkpad X230

I have been promising to myself for very long time that one day I had to have a computer as much privacy focused as possible. As I cannot afford to buy a Purism laptop, I thought the best approach was to find some device where at least it was possible to disable Intel ME and […]

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[SysAdmin] Create isolated WiFi network on OPNSense with local wireless interface

During the last months I am using OPNSense as my firewall (moving away from PFSense). At the very beginning I was using it on an apu2d board but then I decide to try running it in a kind of NFV way. Now I am indeed running OPNSense as a virtual machine (with KVM as hypervisor […]

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Configure OpenVSwitch and libvirt to enable trunking (802.1q) between KVM Guests

The goal of this article is to cover a complete configuration of OpenVSwitch and KVM networking to have ports of the virtual switch allowing trunking toward the KVM guests. The reason to do that is to give the opportunity to arrange topologies between routers running as KVM guests connected using trunks instead of physical (virtual) […]

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[Linux server] How to update DNS entries from DHCP to BIND9

After talking about this topic with a friend during last week, I decided to start running a local DNS server in my home network. The goals of the server are: first, have my own local domain and, second, use it as DNS cache. In this ways I can recall my local servers/devices using their assigned […]

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Firefly RK3288 image

Debian GNU/Linux on FireFly Rk3288

Some weeks ago I decided to build a small server for home as I did alreadyyears ago and documented in this Blog. After a small research on the web I decided to buy a low power consumption device based on ARM architecture and I ended up buying a brand new Firefly RK3288 that is using […]

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Evoluent mouse 4 with Fedora 21 (and other distros)

I recently bought a vertical mouse to take care of my health, considering how many hours I spend each day clicking and using the mouse on PCs. Moreover I started a completely new experience in the GNU/Linux world using a RedHat like distribution: Fedora. This doesn’t mean I will not use anymore my beloved Debian, […]

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