Just another geek.

Year 2020

Configure isc-dhcp-server to Network Boot Your Raspberry Pi

Raspberry Pi 3B, 3B+, 2B v1.2 and 4 (bootloader modification needed) are able to boot from wired network, thus possibly eliminates the need for an SD card. The process of setting up dnsmasq to provide DHCP service to network boot… Continue Reading →

A Step-by-step Guide to Building a Diskless Linux Cluster

Intro A diskless computer is a computer, as the name suggests, without disks. Typically it will grab the programs it needs to run over a network instead of a dedicated storage device. A diskless cluster consists of multiple diskless computers,… Continue Reading →

Wireless Surround Speaker System with Scavenged Smart Speakers and Open Source Software

(There are so many ‘S’s in the title.) Scream is an open-source virtual network sound card for Windows. It sends uncompressed sound PCM data over multicast (hence ‘scream’) UDP or optionally unicast UDP packets. Even though uncompressed, the bandwidth of… Continue Reading →

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