Category: Hardware

open source hardware
03.08.2018

https://elinux.org/Embedded_Open_Modular_Architecture/EOMA68 https://elinux.org/images/9/9e/Eoma68.pdf https://fosdem.org/2018/stands/

28.06.2018

Update: Solar Power Raspberry Pi AND charge your phone. okay it is a little unfair… of a comparison… but that is the hardware currently available to me. And i just wanted to share that at double the costs – the […]

24.05.2018

Solar Panel 100W (12V?) and Battery Charger (12V) https://www.offgridtec.com/en/complete-systems/solar-system-autarkic/offgridtec-solar-bausatz-basic-starter-100-watt-12v.html Solar Panel Module Voltage: (Vmp) 17,6V Victron BlueSolar PWM-Light 12V 24V 10A -> DataSheed Maximum solar voltage: 28V possible alternative: Steca Solsum 8.8F 12Vor better: Steca-LCD-Display-PR-2020 12V -> 5V Car USB […]

Sun Fire UltraSparc T1000 RISC Server Overview
21.05.2018

want to buy one? check ebay: for „sun“ and „sparc“ https://www.ebay.de/itm/Sun-SPARC-Enterprise-T5220-4-Core-1-2-GHz-64GB-RAM-DVD-Server-Ultrasparc-II/153009384825 recipe: what you will need: a T1000 alternatively: ear sealing headphones + music. a LAN switch with DHCP-server/router attached LAN cables (atleast 4x (1x DHCP-server, 1x workstation/client, 1x server […]

znet – estimates 2018 Corporate IT Budgets
30.04.2018

70% of decision makers increase tech budget in 2018, slightly higher than 2017. top technologies: CyberSecurity (53%) Hardware upgrades (47%) cloud services (43%) software (40%) BigData Analytics (20%) Internet of Things (18%) 35% training employees 29% want to hire new […]

Monitoring your Network
04.04.2018

so i guess „monitoring“ is about two things: availability and performance: detect performance bottlenecks get informed if parts (harddisks) / servers have failed / are about to fail security: detect, report and (if possible) automatically fence off „unusual“ network activity […]

Bugs in Hardware – intel microcode updates
12.01.2018

update 2018-03-15: from C’t: new micro codes for intel iCPUs (2011 and onwoards) seem to fix Spectre v2 (CVE-2017-5715) 60minutes: https://www.heise.de/security/meldung/Spectre-Luecke-Intels-Microcode-Updates-fuer-Linux-und-Windows-3994347.html As Einstein already knew energy = matter = energy. great comparison: bugs in hardware – only solution: change / […]

amd arm intel cpus all got problems – Meltdown and Spectre – JavaScript could steal your Firefoxs Passwords
04.01.2018

update 2018-03-15: from C’t: new micro codes for intel iCPUs (2011 and onwoards) seem to fix Spectre v2 (CVE-2017-5715) 60minutes: https://www.heise.de/security/meldung/Spectre-Luecke-Intels-Microcode-Updates-fuer-Linux-und-Windows-3994347.html update: good overview and explanation of the situation: ARM also affected. The Meltdown + Spectre Vulnerabilities update: please checkout […]

ODROID-XU4 low power high speed embedded 8 core linux computer – lan dhcp connect and ssh into odroid xu4
19.12.2017

the hardware you can get the ODROID with HDMI (monitor/screen) output: https://www.pollin.de/p/odroid-xu4-einplatinen-computer-samsung-exynos-5422-2-gb-2x-usb-3-0-810409 for 80€. or the NAS/SATA variation (headless, no GPU, no HDMI, no screen/monitor) : https://www.pollin.de/p/odroid-hc1-einplatinen-computer-fuer-nas-und-cluster-anwendungen-810766 for 60€. What SoC are you using? The SoC is a Samsung Exynos5422 Octa. What […]

1986 – 80386 – linux history
30.06.2017

9. September 1986 At the Palladium in Manhattan, New York, Compaq Computer introduces the Compaq Deskpro 386, the first 80386-based personal computer offered by a major computer manufacturer. The Model 40 features a 16 MHz Intel 80386 and 40 MB […]

31.05.2017

it is amazing on how many chips linux can run https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch CPUs you probably have NEVER heared of 😀 OpenRISC – Academic and non-commercial use Being open source, OpenRISC has proved popular in academic and hobbyist circles. For example, Stefan […]

19.05.2017

What are kernel modules? What exactly is a kernel module? Modules are pieces of code that can be loaded and unloaded into the kernel upon demand without rebooting the system. Without modules, we would have to build monolithic kernels and […]